remove old scripts for pre-package setup

Flake lock file updates:

• Updated input 'finalize':
    'path:finalize?lastModified=1&narHash=sha256-qQn272f8Z4QhQV2reyd9v0GtypYgnTrOqEiewWnSGJY%3D' (1970-01-01)
  → 'path:finalize?lastModified=1&narHash=sha256-BZgu7%2B/RV9Gy1xo/icz5kd2fKCa3Zow%2BZz6MJWzpgMM%3D' (1970-01-01)
• Updated input 'hax-nur':
    'github:ihaveamac/nur-packages/f612d64a4136c3a4820e37ed50cefb6460dde857' (2026-01-01)
  → 'github:ihaveamac/nur-packages/8ebcd637fd5cd8e673c8e01ed408bf206f9d4f9b' (2026-01-11)
• Updated input 'hax-nur/treefmt-nix':
    'github:numtide/treefmt-nix/dec15f37015ac2e774c84d0952d57fcdf169b54d' (2025-12-30)
  → 'github:numtide/treefmt-nix/0c445aa21b01fd1d4bb58927f7b268568af87b20' (2026-01-10)
• Updated input 'nixpkgs':
    'github:NixOS/nixpkgs/16c7794d0a28b5a37904d55bcca36003b9109aaa' (2026-01-02)
  → 'github:NixOS/nixpkgs/3146c6aa9995e7351a398e17470e15305e6e18ff' (2026-01-10)

.gitignore

@@ -1,8 +1,8 @@
 .vscode/
 bin/linux/save3ds_fuse
-**/finalize
 cstins/
 testing-class.py
+*.local
 
 # macOS
 .DS_Store
@@ -12,9 +12,16 @@ testing-class.py
 venv/
 **/__pycache__/
 *.pyc
+*.egg-info/
+*.whl
 
 # JetBrains
 .idea/
 =======
 
-*.pyc
+/build/
+/dist/
+/custom-install-finalize.3dsx
+
+result
+result-*

CONTRIBUTING.md

@@ -0,0 +1,9 @@
+## This is my personal project
+
+I make this project in my free time whenever I feel like it. I make no promises about reading issues or pull requests on a timely basis, or that I will fix certain issues or merge pull requests (soon or ever).
+
+If you are making a significant addition and you intend for it to be implemented in my repository, you should talk to me first, because putting it in my repo means I have to maintain it. Please keep in mind the above paragraph. Maybe keep your own fork if you need something.
+
+## No AI-generated content
+
+This project, like all my projects, employs a strict zero-tolarance policy against any content generated by artificial intelligence, for any reason. Do not use it for issues, pull requests, comments, or anything else. Any content found to be the result of generative AI will be deleted, and the user likely blocked.

MANIFEST.in

@@ -0,0 +1,4 @@
+recursive-include custominstall/bin/*
+include custominstall/title.db.gz
+include custominstall/TaskbarLib.tlb
+include custominstall/custom-install-finalize.3dsx

README.md

@@ -1,21 +1,39 @@
 [![License](https://img.shields.io/badge/License-MIT-blue.svg)]() ![Releases](https://img.shields.io/github/downloads/ihaveamac/custom-install/total.svg)
 
 # custom-install
-Experimental script to automate the process of a manual title install for Nintendo 3DS. Originally created late June 2019.
+Installs a title directly to an SD card for the Nintendo 3DS. Originally created late June 2019.
 
 ## Summary
-Note for Windows users: Enabling "Add Python 3.X to PATH" is **NOT** required! Python is installed with the `py` launcher by default.
+
+### Windows standalone
 
 1. [Dump boot9.bin and movable.sed](https://ihaveamac.github.io/dump.html) from a 3DS system.
-2. Download the repo ([zip link](https://github.com/ihaveamac/custom-install/archive/module-new-gui.zip) or `git clone`)
+2. Download the [latest releases](https://github.com/ihaveamac/custom-install/releases).
-3. Install the packages:
+3. Extract and run ci-gui. Read `windows-quickstart.txt`.
-  * Windows: `py -3 -m pip install --user -r requirements.txt`
+
-  * macOS/Linux: `python3 -m pip install --user -r requirements.txt`
+### With installed Python
-4. Run `custominstall.py` with boot9.bin, movable.sed, path to the SD root, and CIA files to install (see Usage section).
+
-5. Download and use [custom-install-finalize](https://github.com/ihaveamac/custom-install/releases) on the 3DS system to finish the install.
+> [!NOTE]
+> Windows users: Enabling "Add Python 3.X to PATH" is **NOT** required! Python is installed with the `py` launcher by default.
+
+1. [Dump boot9.bin and movable.sed](https://ihaveamac.github.io/dump.html) from a 3DS system.
+2. Install the packages:
+  * Windows: `py -3 -m pip install --user --upgrade https://github.com/ihaveamac/custom-install/archive/refs/heads/python-package.zip`
+  * macOS/Linux: `python3 -m pip install --user --upgrade https://github.com/ihaveamac/custom-install/archive/refs/heads/python-package.zip`
+
+To run the GUI:
+* Windows: `py -3 -m custominstall.gui`
+* macOS/Linux: `python3 -m custominstall.gui`
+
+To run the command line version:
+* Windows: `py -3 -m custominstall`
+* macOS/Linux: `python3 -m custominstall`
 
 ## Setup
-Linux users must build [wwylele/save3ds](https://github.com/wwylele/save3ds) and place `save3ds_fuse` in `bin/linux`. Install [rust using rustup](https://www.rust-lang.org/tools/install), then compile with: `cargo build`. The compiled binary is located in `target/debug/save3ds_fuse`, copy it to `bin/linux`.
+Linux users must build [wwylele/save3ds](https://github.com/wwylele/save3ds) and place `save3ds_fuse` in one of these places:
+* A directory in `PATH`
+* In `custominstall/bin/linux`
+* Set the environment variable `CUSTOM_INSTALL_SAVE3DS_PATH` to the `save3ds_fuse` binary
 
 movable.sed is required and can be provided with `-m` or `--movable`.
 
@@ -46,27 +64,31 @@ Use `-h` to view arguments.
 
 Examples:
 ```
-py -3 custominstall.py -b boot9.bin -m movable.sed --sd E:\ file.cia file2.cia
+py -3 -m custominstall -b boot9.bin -m movable.sed --sd E:\ file.cia file2.cia
-python3 custominstall.py -b boot9.bin -m movable.sed --sd /Volumes/GM9SD file.cia file2.cia
+python3 -m custominstall -b boot9.bin -m movable.sed --sd /Volumes/GM9SD file.cia file2.cia
-python3 custominstall.py -b boot9.bin -m movable.sed --sd /media/GM9SD file.cia file2.cia
+python3 -m custominstall -b boot9.bin -m movable.sed --sd /media/GM9SD file.cia file2.cia
 ```
 
 ## GUI
-GUI wrapper to easily manage your apps. (More will go here...)
+A GUI is provided to make the process easier.
-
-![GUI](https://raw.githubusercontent.com/LyfeOnEdge/custom-install/master/docu/main.png)
 
 ### GUI Setup
+Linux users may need to install a Tk package:
 - Ubuntu/Debian: `sudo apt install python3-tk`
-- Manjaro/Arch: `sudo pacman -S tk`
+- Arch: `sudo pacman -S tk`
-- Mac: Sometimes the default tkinter libs that ship with mac don't work, you can get them on the python site - `https://www.python.org/downloads/mac-osx/`
+
-- Windows: Install python - `Remember to install tcl/tk when doing a custom installation`
+## Development
+
+### Building Windows standalone
+
+> [!WARNING]
+> This section is OUTDATED and currently does not work with the Python package setup.
 
 ## License/Credits
 [save3ds by wwylele](https://github.com/wwylele/save3ds) is used to interact with the Title Database (details in `bin/README`).
 
-Thanks to @LyfeOnEdge from the [brewtools Discord](https://brewtools.dev) for designing the GUI. Special thanks to CrafterPika and archbox for testing.
-
 Thanks to @nek0bit for redesigning `custominstall.py` to work as a module, and for implementing an earlier GUI.
 
+Thanks to @LyfeOnEdge from the [brewtools Discord](https://brewtools.dev) for designing the second version of the GUI. Special thanks to CrafterPika and archbox for testing.
+
 Thanks to @BpyH64 for [researching how to generate the cmacs](https://github.com/d0k3/GodMode9/issues/340#issuecomment-487916606).

bin/README

@@ -1,8 +0,0 @@
-save3ds_fuse for win32 and darwin built with commit 25f0b5ec2600ddff8f5d2acf7c89ac1c4e743972
-in repository https://github.com/wwylele/save3ds
-
-win32 binary built on Windows 10, version 1903 64-bit with `cargo build --release --target=i686-pc-windows-msvc`.
-
-darwin binary built on macOS 10.15.1 with `cd save3ds_fuse && cargo build --no-default-features --release`.
-
-linux binary must be provided by the user.

custominstall.py

@@ -1,485 +0,0 @@
-# This file is a part of custom-install.py.
-#
-# custom-install is copyright (c) 2019-2020 Ian Burgwin
-# This file is licensed under The MIT License (MIT).
-# You can find the full license text in LICENSE.md in the root of this project.
-
-from argparse import ArgumentParser
-from os import makedirs, scandir
-from os.path import dirname, join
-from random import randint
-from hashlib import sha256
-from sys import platform
-from tempfile import TemporaryDirectory
-from typing import BinaryIO, TYPE_CHECKING
-import subprocess
-
-if TYPE_CHECKING:
-    from os import PathLike
-    from typing import Union
-
-from events import Events
-
-from pyctr.crypto import CryptoEngine, Keyslot, load_seeddb
-from pyctr.type.cia import CIAReader, CIASection
-from pyctr.type.ncch import NCCHSection
-from pyctr.util import roundup
-
-# used to run the save3ds_fuse binary next to the script
-script_dir: str = dirname(__file__)
-
-# missing contents are replaced with 0xFFFFFFFF in the cmd file
-CMD_MISSING = b'\xff\xff\xff\xff'
-
-# the size of each file and directory in a title's contents are rounded up to this
-TITLE_ALIGN_SIZE = 0x8000
-
-# size to read at a time when copying files
-READ_SIZE = 0x200000
-
-# version for cifinish.bin
-CIFINISH_VERSION = 3
-
-
-# Placeholder for SDPathErrors
-class SDPathError(Exception):
-    pass
-
-
-class InvalidCIFinishError(Exception):
-    pass
-
-
-def load_cifinish(path: 'Union[PathLike, bytes, str]'):
-    try:
-        with open(path, 'rb') as f:
-            header = f.read(0x10)
-            if header[0:8] != b'CIFINISH':
-                raise InvalidCIFinishError('CIFINISH magic not found')
-            version = int.from_bytes(header[0x8:0xC], 'little')
-            count = int.from_bytes(header[0xC:0x10], 'little')
-            data = {}
-            for _ in range(count):
-                if version == 1:
-                    # ignoring the titlekey and common key index, since it's not useful in this scenario
-                    raw_entry = f.read(0x30)
-                    if len(raw_entry) != 0x30:
-                        raise InvalidCIFinishError(f'title entry is not 0x30 (version {version})')
-
-                    title_magic = raw_entry[0xA:0x10]
-                    title_id = int.from_bytes(raw_entry[0:8], 'little')
-                    has_seed = raw_entry[0x9]
-                    seed = raw_entry[0x20:0x30]
-
-                elif version == 2:
-                    # this is assuming the "wrong" version created by an earlier version of this script
-                    # there wasn't a version of custom-install-finalize that really accepted this version
-                    raw_entry = f.read(0x20)
-                    if len(raw_entry) != 0x20:
-                        raise InvalidCIFinishError(f'title entry is not 0x20 (version {version})')
-
-                    title_magic = raw_entry[0:6]
-                    title_id = int.from_bytes(raw_entry[0x6:0xE], 'little')
-                    has_seed = raw_entry[0xE]
-                    seed = raw_entry[0x10:0x20]
-
-                elif version == 3:
-                    raw_entry = f.read(0x20)
-                    if len(raw_entry) != 0x20:
-                        raise InvalidCIFinishError(f'title entry is not 0x20 (version {version})')
-
-                    title_magic = raw_entry[0:6]
-                    title_id = int.from_bytes(raw_entry[0x8:0x10], 'little')
-                    has_seed = raw_entry[0x6]
-                    seed = raw_entry[0x10:0x20]
-
-                else:
-                    raise InvalidCIFinishError(f'unknown version {version}')
-
-                if title_magic == b'TITLE\0':
-                    data[title_id] = {'seed': seed if has_seed else None}
-
-        return data
-    except FileNotFoundError:
-        # allow the caller to easily create a new database in the same place where an existing one would be updated
-        return {}
-
-
-def save_cifinish(path: 'Union[PathLike, bytes, str]', data: dict):
-    with open(path, 'wb') as out:
-        entries = sorted(data.items())
-
-        out.write(b'CIFINISH')
-        out.write(CIFINISH_VERSION.to_bytes(4, 'little'))
-        out.write(len(entries).to_bytes(4, 'little'))
-
-        for tid, data in entries:
-            finalize_entry_data = [
-                # magic
-                b'TITLE\0',
-                # has seed
-                bool(data['seed']).to_bytes(1, 'little'),
-                # padding
-                b'\0',
-                # title id
-                tid.to_bytes(8, 'little'),
-                # seed, if needed
-                (data['seed'] if data['seed'] else (b'\0' * 0x10))
-            ]
-
-            out.write(b''.join(finalize_entry_data))
-
-
-class CustomInstall:
-
-    cia: CIAReader
-
-    def __init__(self, boot9, seeddb, movable, cias, sd, cifinish_out=None, skip_contents=False):
-        self.event = Events()
-        self.log_lines = []  # Stores all info messages for user to view
-
-        self.crypto = CryptoEngine(boot9=boot9)
-        self.crypto.setup_sd_key_from_file(movable)
-        self.seeddb = seeddb
-        self.cias = cias
-        self.sd = sd
-        self.skip_contents = skip_contents
-        self.cifinish_out = cifinish_out
-        self.movable = movable
-
-    def copy_with_progress(self, src: BinaryIO, dst: BinaryIO, size: int, path: str):
-        left = size
-        cipher = self.crypto.create_ctr_cipher(Keyslot.SD, self.crypto.sd_path_to_iv(path))
-        while left > 0:
-            to_read = min(READ_SIZE, left)
-            data = cipher.encrypt(src.read(READ_SIZE))
-            dst.write(data)
-            left -= to_read
-            total_read = size - left
-            self.event.update_percentage((total_read / size) * 100, total_read / 1048576, size / 1048576)
-    
-    def start(self):
-        crypto = self.crypto
-        # TODO: Move a lot of these into their own methods
-        self.log("Finding path to install to...")
-        [sd_path, id1s] = self.get_sd_path()
-        if len(id1s) > 1:
-            raise SDPathError(f'There are multiple id1 directories for id0 {crypto.id0.hex()}, '
-                              f'please remove extra directories')
-        elif len(id1s) == 0:
-            raise SDPathError(f'Could not find a suitable id1 directory for id0 {crypto.id0.hex()}')
-
-        if self.cifinish_out:
-            cifinish_path = self.cifinish_out
-        else:
-            cifinish_path = join(self.sd, 'cifinish.bin')
-        sd_path = join(sd_path, id1s[0])
-        title_info_entries = {}
-        cifinish_data = load_cifinish(cifinish_path)
-
-        load_seeddb(self.seeddb)
-
-        # Now loop through all provided cia files
-        
-        for c in self.cias:
-            self.log('Reading ' + c)
-
-            try:
-                cia = CIAReader(c)
-            except Exception as e:
-                self.log(f'Failed to load file: {type(e).__name__}: {e}')
-                continue
-
-            self.cia = cia
-            
-            tid_parts = (cia.tmd.title_id[0:8], cia.tmd.title_id[8:16])
-
-            try:
-                self.log(f'Installing {cia.contents[0].exefs.icon.get_app_title().short_desc}...')
-            except:
-                self.log('Installing...')
-            
-            sizes = [1] * 5
-
-            if cia.tmd.save_size:
-                # one for the data directory, one for the 00000001.sav file
-                sizes.extend((1, cia.tmd.save_size))
-            
-            for record in cia.content_info:
-                sizes.append(record.size)
-            
-            # this calculates the size to put in the Title Info Entry
-            title_size = sum(roundup(x, TITLE_ALIGN_SIZE) for x in sizes)
-
-            # checks if this is dlc, which has some differences
-            is_dlc = tid_parts[0] == '0004008c'
-
-            # this checks if it has a manual (index 1) and is not DLC
-            has_manual = (not is_dlc) and (1 in cia.contents)
-
-            # this gets the extdata id from the extheader, stored in the storage info area
-            try:
-                with cia.contents[0].open_raw_section(NCCHSection.ExtendedHeader) as e:
-                    e.seek(0x200 + 0x30)
-                    extdata_id = e.read(8)
-            except KeyError:
-                # not an executable title
-                extdata_id = b'\0' * 8
-
-            # cmd content id, starts with 1 for non-dlc contents
-            cmd_id = len(cia.content_info) if is_dlc else 1
-            cmd_filename = f'{cmd_id:08x}.cmd'
-
-            # get the title root where all the contents will be
-            title_root = join(sd_path, 'title', *tid_parts)
-            content_root = join(title_root, 'content')
-            # generate the path used for the IV
-            title_root_cmd = f'/title/{"/".join(tid_parts)}'
-            content_root_cmd = title_root_cmd + '/content'
-
-            if not self.skip_contents:
-                makedirs(join(content_root, 'cmd'), exist_ok=True)
-                if cia.tmd.save_size:
-                    makedirs(join(title_root, 'data'), exist_ok=True)
-                if is_dlc:
-                    # create the separate directories for every 256 contents
-                    for x in range(((len(cia.content_info) - 1) // 256) + 1):
-                        makedirs(join(content_root, f'{x:08x}'), exist_ok=True)
-
-                # maybe this will be changed in the future
-                tmd_id = 0
-
-                tmd_filename = f'{tmd_id:08x}.tmd'
-
-                # write the tmd
-                enc_path = content_root_cmd + '/' + tmd_filename
-                self.log(f'Writing {enc_path}...')
-                with cia.open_raw_section(CIASection.TitleMetadata) as s:
-                    with open(join(content_root, tmd_filename), 'wb') as o:
-                        self.copy_with_progress(s, o, cia.sections[CIASection.TitleMetadata].size, enc_path)
-
-                # write each content
-                for co in cia.content_info:
-                    content_filename = co.id + '.app'
-                    if is_dlc:
-                        dir_index = format((co.cindex // 256), '08x')
-                        enc_path = content_root_cmd + f'/{dir_index}/{content_filename}'
-                        out_path = join(content_root, dir_index, content_filename)
-                    else:
-                        enc_path = content_root_cmd + '/' + content_filename
-                        out_path = join(content_root, content_filename)
-                    self.log(f'Writing {enc_path}...')
-                    with cia.open_raw_section(co.cindex) as s, open(out_path, 'wb') as o:
-                        self.copy_with_progress(s, o, co.size, enc_path)
-
-                # generate a blank save
-                if cia.tmd.save_size:
-                    enc_path = title_root_cmd + '/data/00000001.sav'
-                    out_path = join(title_root, 'data', '00000001.sav')
-                    cipher = crypto.create_ctr_cipher(Keyslot.SD, crypto.sd_path_to_iv(enc_path))
-                    # in a new save, the first 0x20 are all 00s. the rest can be random
-                    data = cipher.encrypt(b'\0' * 0x20)
-                    self.log(f'Generating blank save at {enc_path}...')
-                    with open(out_path, 'wb') as o:
-                        o.write(data)
-                        o.write(b'\0' * (cia.tmd.save_size - 0x20))
-
-                # generate and write cmd
-                enc_path = content_root_cmd + '/cmd/' + cmd_filename
-                out_path = join(content_root, 'cmd', cmd_filename)
-                self.log(f'Generating {enc_path}')
-                highest_index = 0
-                content_ids = {}
-
-                for record in cia.content_info:
-                    highest_index = record.cindex
-                    with cia.open_raw_section(record.cindex) as s:
-                        s.seek(0x100)
-                        cmac_data = s.read(0x100)
-
-                    id_bytes = bytes.fromhex(record.id)[::-1]
-                    cmac_data += record.cindex.to_bytes(4, 'little') + id_bytes
-
-                    cmac_ncch = crypto.create_cmac_object(Keyslot.CMACSDNAND)
-                    cmac_ncch.update(sha256(cmac_data).digest())
-                    content_ids[record.cindex] = (id_bytes, cmac_ncch.digest())
-
-                # add content IDs up to the last one
-                ids_by_index = [CMD_MISSING] * (highest_index + 1)
-                installed_ids = []
-                cmacs = []
-                for x in range(len(ids_by_index)):
-                    try:
-                        info = content_ids[x]
-                    except KeyError:
-                        # "MISSING CONTENT!"
-                        # The 3DS does generate a cmac for missing contents, but I don't know how it works.
-                        # It doesn't matter anyway, the title seems to be fully functional.
-                        cmacs.append(bytes.fromhex('4D495353494E4720434F4E54454E5421'))
-                    else:
-                        ids_by_index[x] = info[0]
-                        cmacs.append(info[1])
-                        installed_ids.append(info[0])
-                installed_ids.sort(key=lambda x: int.from_bytes(x, 'little'))
-
-                final = (cmd_id.to_bytes(4, 'little')
-                         + len(ids_by_index).to_bytes(4, 'little')
-                         + len(installed_ids).to_bytes(4, 'little')
-                         + (1).to_bytes(4, 'little'))
-                cmac_cmd_header = crypto.create_cmac_object(Keyslot.CMACSDNAND)
-                cmac_cmd_header.update(final)
-                final += cmac_cmd_header.digest()
-
-                final += b''.join(ids_by_index)
-                final += b''.join(installed_ids)
-                final += b''.join(cmacs)
-
-                cipher = crypto.create_ctr_cipher(Keyslot.SD, crypto.sd_path_to_iv(enc_path))
-                self.log(f'Writing {enc_path}')
-                with open(out_path, 'wb') as o:
-                    o.write(cipher.encrypt(final))
-
-            # this starts building the title info entry
-            title_info_entry_data = [
-                # title size
-                title_size.to_bytes(8, 'little'),
-                # title type, seems to usually be 0x40
-                0x40.to_bytes(4, 'little'),
-                # title version
-                int(cia.tmd.title_version).to_bytes(2, 'little'),
-                # ncch version
-                cia.contents[0].version.to_bytes(2, 'little'),
-                # flags_0, only checking if there is a manual
-                (1 if has_manual else 0).to_bytes(4, 'little'),
-                # tmd content id, always starting with 0
-                (0).to_bytes(4, 'little'),
-                # cmd content id
-                cmd_id.to_bytes(4, 'little'),
-                # flags_1, only checking save data
-                (1 if cia.tmd.save_size else 0).to_bytes(4, 'little'),
-                # extdataid low
-                extdata_id[0:4],
-                # reserved
-                b'\0' * 4,
-                # flags_2, only using a common value
-                0x100000000.to_bytes(8, 'little'),
-                # product code
-                cia.contents[0].product_code.encode('ascii').ljust(0x10, b'\0'),
-                # reserved
-                b'\0' * 0x10,
-                # unknown
-                randint(0, 0xFFFFFFFF).to_bytes(4, 'little'),
-                # reserved
-                b'\0' * 0x2c
-            ]
-
-            title_info_entries[cia.tmd.title_id] = b''.join(title_info_entry_data)
-
-            cifinish_data[int(cia.tmd.title_id, 16)] = {'seed': (cia.contents[0].seed if cia.contents[0].flags.uses_seed else None)}
-
-        # This is saved regardless if any titles were installed, so the file can be upgraded just in case.
-        save_cifinish(cifinish_path, cifinish_data)
-
-        if title_info_entries:
-            with TemporaryDirectory(suffix='-custom-install') as tempdir:
-                # set up the common arguments for the two times we call save3ds_fuse
-                save3ds_fuse_common_args = [
-                    join(script_dir, 'bin', platform, 'save3ds_fuse'),
-                    '-b', crypto.b9_path,
-                    '-m', self.movable,
-                    '--sd', self.sd,
-                    '--db', 'sdtitle',
-                    tempdir
-                ]
-
-                # extract the title database to add our own entry to
-                self.log('Extracting Title Database...')
-                subprocess.run(save3ds_fuse_common_args + ['-x'])
-
-                for title_id, entry in title_info_entries.items():
-                    # write the title info entry to the temp directory
-                    with open(join(tempdir, title_id), 'wb') as o:
-                        o.write(entry)
-
-                # import the directory, now including our title
-                self.log('Importing into Title Database...')
-                subprocess.run(save3ds_fuse_common_args + ['-i'])
-
-            self.log('FINAL STEP:\nRun custom-install-finalize through homebrew launcher.')
-            self.log('This will install a ticket and seed if required.')
-
-        else:
-            self.log('Did not install any titles.', 2)
-
-    def get_sd_path(self):
-        sd_path = join(self.sd, 'Nintendo 3DS', self.crypto.id0.hex())
-        id1s = []
-        for d in scandir(sd_path):
-            if d.is_dir() and len(d.name) == 32:
-                try:
-                    # check if the name can be converted to hex
-                    # I'm not sure what the 3DS does if there is a folder that is not a 32-char hex string.
-                    bytes.fromhex(d.name)
-                except ValueError:
-                    continue
-                else:
-                    id1s.append(d.name)
-        return [sd_path, id1s]
-
-    def log(self, message, mtype=0, errorname=None, end='\n'):
-        """Logs an Message with a type. Format is similar to python errors
-
-        There are 3 types of errors, indexed accordingly
-        type 0 = Message
-        type 1 = Warning
-        type 2 = Error
-
-        optionally, errorname can be a custom name as a string to identify errors easily
-        """
-        if errorname:
-            errorname += ": "
-        else:
-            # No errorname provided
-            errorname = ""
-        types = [
-            "",  # Type 0
-            "Warning: ",  # Type 1
-            "Error: "  # Type 2
-        ]
-        # Example: "Warning: UninformativeError: An error occured, try again.""
-        msg_with_type = types[mtype] + errorname + str(message)
-        self.log_lines.append(msg_with_type)
-        self.event.on_log_msg(msg_with_type, end=end)
-        return msg_with_type
-
-
-if __name__ == "__main__":
-    parser = ArgumentParser(description='Manually install a CIA to the SD card for a Nintendo 3DS system.')
-    parser.add_argument('cia', help='CIA files', nargs='+')
-    parser.add_argument('-m', '--movable', help='movable.sed file', required=True)
-    parser.add_argument('-b', '--boot9', help='boot9 file')
-    parser.add_argument('-s', '--seeddb', help='seeddb file')
-    parser.add_argument('--sd', help='path to SD root', required=True)
-    parser.add_argument('--skip-contents', help="don't add contents, only add title info entry", action='store_true')
-    parser.add_argument('--cifinish-out', help='path for cifinish.bin file, defaults to (SD root)/cifinish.bin')
-
-    args = parser.parse_args()
-
-    installer = CustomInstall(boot9=args.boot9,
-                              seeddb=args.seeddb,
-                              cias=args.cia,
-                              movable=args.movable,
-                              sd=args.sd,
-                              cifinish_out=args.cifinish_out,
-                              skip_contents=(args.skip_contents or False))
-
-    def log_handle(msg, end='\n'):
-        print(msg, end=end)
-    
-    def percent_handle(total_percent, total_read, size):
-        installer.log(f' {total_percent:>5.1f}%  {total_read:>.1f} MiB / {size:.1f} MiB\r', end='')
-
-    installer.event.on_log_msg += log_handle
-    installer.event.update_percentage += percent_handle
-
-    installer.start()

custominstall/__init__.py

@@ -0,0 +1,10 @@
+# This file is a part of custom-install.
+#
+# Copyright (c) 2019 Ian Burgwin
+# This file is licensed under The MIT License (MIT).
+# You can find the full license text in LICENSE.md in the root of this project.
+
+__author__    = 'ihaveahax'
+__copyright__ = 'Copyright (c) 2019 Ian Burgwin'
+__license__   = 'MIT'
+__version__   = '2.1'

custominstall/__main__.py

@@ -0,0 +1,765 @@
+#!/usr/bin/env python3
+
+# This file is a part of custom-install.py.
+#
+# custom-install is copyright (c) 2019 Ian Burgwin
+# This file is licensed under The MIT License (MIT).
+# You can find the full license text in LICENSE.md in the root of this project.
+
+from argparse import ArgumentParser
+from enum import Enum
+from glob import glob
+import gzip
+from os import makedirs, rename, scandir, environ
+from os.path import dirname, join, isdir, isfile
+from random import randint
+from hashlib import sha256
+from pprint import pformat
+from shutil import copyfile, copy2, rmtree, which
+import sys
+from sys import platform, executable
+from tempfile import TemporaryDirectory
+from traceback import format_exception
+from typing import BinaryIO, TYPE_CHECKING
+import subprocess
+
+if TYPE_CHECKING:
+    from os import PathLike
+    from typing import List, Union, Tuple
+
+from events import Events
+
+from pyctr.crypto import CryptoEngine, Keyslot, load_seeddb, get_seed
+from pyctr.type.cdn import CDNReader, CDNError
+from pyctr.type.cia import CIAReader, CIAError
+from pyctr.type.ncch import NCCHSection
+from pyctr.type.tmd import TitleMetadataError
+from pyctr.util import roundup
+
+from . import __version__
+
+if platform == 'msys':
+    platform = 'win32'
+
+is_windows = platform == 'win32'
+
+if is_windows:
+    from ctypes import c_wchar_p, pointer, c_ulonglong, windll
+else:
+    from os import statvfs
+
+script_dir: str
+frozen = getattr(sys, 'frozen', False)
+if frozen:
+    script_dir = dirname(executable)
+else:
+    script_dir = dirname(__file__)
+
+# used to run the save3ds_fuse binary next to the script
+if 'CUSTOM_INSTALL_SAVE3DS_PATH' in environ:
+    save3ds_fuse_path = environ['CUSTOM_INSTALL_SAVE3DS_PATH']
+else:
+    save3ds_fuse_name = 'save3ds_fuse'
+    if is_windows:
+        save3ds_fuse_name += '.exe'
+    if frozen:
+        save3ds_fuse_path = join(script_dir, 'bin', save3ds_fuse_name)
+    else:
+        save3ds_fuse_path = join(script_dir, 'bin', platform, save3ds_fuse_name)
+
+    if not isfile(save3ds_fuse_path):
+        save3ds_fuse_path = which('save3ds_fuse')
+
+# missing contents are replaced with 0xFFFFFFFF in the cmd file
+CMD_MISSING = b'\xff\xff\xff\xff'
+
+# the size of each file and directory in a title's contents are rounded up to this
+TITLE_ALIGN_SIZE = 0x8000
+
+# size to read at a time when copying files
+READ_SIZE = 0x200000
+
+# version for cifinish.bin
+CIFINISH_VERSION = 3
+
+
+# Placeholder for SDPathErrors
+class SDPathError(Exception):
+    pass
+
+
+class InvalidCIFinishError(Exception):
+    pass
+
+
+class InstallStatus(Enum):
+    Waiting = 0
+    Starting = 1
+    Writing = 2
+    Finishing = 3
+    Done = 4
+    Failed = 5
+
+
+def get_free_space(path: 'Union[PathLike, bytes, str]'):
+    if is_windows:
+        lpSectorsPerCluster = c_ulonglong(0)
+        lpBytesPerSector = c_ulonglong(0)
+        lpNumberOfFreeClusters = c_ulonglong(0)
+        lpTotalNumberOfClusters = c_ulonglong(0)
+        ret = windll.kernel32.GetDiskFreeSpaceW(c_wchar_p(path), pointer(lpSectorsPerCluster),
+                                                pointer(lpBytesPerSector),
+                                                pointer(lpNumberOfFreeClusters),
+                                                pointer(lpTotalNumberOfClusters))
+        if not ret:
+            raise WindowsError
+        free_blocks = lpNumberOfFreeClusters.value * lpSectorsPerCluster.value
+        free_bytes = free_blocks * lpBytesPerSector.value
+    else:
+        stv = statvfs(path)
+        free_bytes = stv.f_bavail * stv.f_frsize
+    return free_bytes
+
+
+def load_cifinish(path: 'Union[PathLike, bytes, str]'):
+    try:
+        with open(path, 'rb') as f:
+            header = f.read(0x10)
+            if header[0:8] != b'CIFINISH':
+                raise InvalidCIFinishError('CIFINISH magic not found')
+            version = int.from_bytes(header[0x8:0xC], 'little')
+            count = int.from_bytes(header[0xC:0x10], 'little')
+            data = {}
+            for _ in range(count):
+                if version == 1:
+                    # ignoring the titlekey and common key index, since it's not useful in this scenario
+                    raw_entry = f.read(0x30)
+                    if len(raw_entry) != 0x30:
+                        raise InvalidCIFinishError(f'title entry is not 0x30 (version {version})')
+
+                    title_magic = raw_entry[0xA:0x10]
+                    title_id = int.from_bytes(raw_entry[0:8], 'little')
+                    has_seed = raw_entry[0x9]
+                    seed = raw_entry[0x20:0x30]
+
+                elif version == 2:
+                    # this is assuming the "wrong" version created by an earlier version of this script
+                    # there wasn't a version of custom-install-finalize that really accepted this version
+                    raw_entry = f.read(0x20)
+                    if len(raw_entry) != 0x20:
+                        raise InvalidCIFinishError(f'title entry is not 0x20 (version {version})')
+
+                    title_magic = raw_entry[0:6]
+                    title_id = int.from_bytes(raw_entry[0x6:0xE], 'little')
+                    has_seed = raw_entry[0xE]
+                    seed = raw_entry[0x10:0x20]
+
+                elif version == 3:
+                    raw_entry = f.read(0x20)
+                    if len(raw_entry) != 0x20:
+                        raise InvalidCIFinishError(f'title entry is not 0x20 (version {version})')
+
+                    title_magic = raw_entry[0:6]
+                    title_id = int.from_bytes(raw_entry[0x8:0x10], 'little')
+                    has_seed = raw_entry[0x6]
+                    seed = raw_entry[0x10:0x20]
+
+                else:
+                    raise InvalidCIFinishError(f'unknown version {version}')
+
+                if title_magic == b'TITLE\0':
+                    data[title_id] = {'seed': seed if has_seed else None}
+
+        return data
+    except FileNotFoundError:
+        # allow the caller to easily create a new database in the same place where an existing one would be updated
+        return {}
+
+
+def save_cifinish(path: 'Union[PathLike, bytes, str]', data: dict):
+    with open(path, 'wb') as out:
+        entries = sorted(data.items())
+
+        out.write(b'CIFINISH')
+        out.write(CIFINISH_VERSION.to_bytes(4, 'little'))
+        out.write(len(entries).to_bytes(4, 'little'))
+
+        for tid, data in entries:
+            finalize_entry_data = [
+                # magic
+                b'TITLE\0',
+                # has seed
+                bool(data['seed']).to_bytes(1, 'little'),
+                # padding
+                b'\0',
+                # title id
+                tid.to_bytes(8, 'little'),
+                # seed, if needed
+                (data['seed'] if data['seed'] else (b'\0' * 0x10))
+            ]
+
+            out.write(b''.join(finalize_entry_data))
+
+
+def get_install_size(title: 'Union[CIAReader, CDNReader]'):
+    sizes = [1] * 5
+
+    if title.tmd.save_size:
+        # one for the data directory, one for the 00000001.sav file
+        sizes.extend((1, title.tmd.save_size))
+
+    for record in title.content_info:
+        sizes.append(record.size)
+
+    # this calculates the size to put in the Title Info Entry
+    title_size = sum(roundup(x, TITLE_ALIGN_SIZE) for x in sizes)
+
+    return title_size
+
+
+class CustomInstall:
+    def __init__(self, *, movable, sd, cifinish_out=None, overwrite_saves=False, skip_contents=False,
+                 boot9=None, seeddb=None):
+        self.event = Events()
+        self.log_lines = []  # Stores all info messages for user to view
+
+        self.crypto = CryptoEngine(boot9=boot9)
+        self.crypto.setup_sd_key_from_file(movable)
+        self.seeddb = seeddb
+        self.readers: 'List[Tuple[Union[CDNReader, CIAReader], Union[PathLike, bytes, str]]]' = []
+        self.sd = sd
+        self.skip_contents = skip_contents
+        self.overwrite_saves = overwrite_saves
+        self.cifinish_out = cifinish_out
+        self.movable = movable
+
+    def copy_with_progress(self, src: BinaryIO, dst: BinaryIO, size: int, path: str, fire_event: bool = True):
+        left = size
+        cipher = self.crypto.create_ctr_cipher(Keyslot.SD, self.crypto.sd_path_to_iv(path))
+        hasher = sha256()
+        while left > 0:
+            to_read = min(READ_SIZE, left)
+            data = src.read(READ_SIZE)
+            hasher.update(data)
+            dst.write(cipher.encrypt(data))
+            left -= to_read
+            total_read = size - left
+            if fire_event:
+                self.event.update_percentage((total_read / size) * 100, total_read / 1048576, size / 1048576)
+
+        return hasher.digest()
+
+    @staticmethod
+    def get_reader(path: 'Union[PathLike, bytes, str]'):
+        if isdir(path):
+            # try the default tmd file
+            reader = CDNReader(join(path, 'tmd'))
+        else:
+            try:
+                reader = CIAReader(path)
+            except CIAError:
+                # if there was an error with parsing the CIA header,
+                # the file would be tried in CDNReader next (assuming it's a tmd)
+                # any other error should be propagated to the caller
+                reader = CDNReader(path)
+        return reader
+
+    def prepare_titles(self, paths: 'List[PathLike]'):
+        if self.seeddb:
+            load_seeddb(self.seeddb)
+
+        readers = []
+        for path in paths:
+            self.log(f'Reading {path}')
+            try:
+                reader = self.get_reader(path)
+            except (CIAError, CDNError, TitleMetadataError):
+                self.log(f"Couldn't read {path}, likely corrupt or not a CIA or CDN title")
+                continue
+            if reader.tmd.title_id.startswith('00048'):  # DSiWare
+                self.log(f'Skipping {reader.tmd.title_id} - DSiWare is not supported')
+                continue
+            readers.append((reader, path))
+        self.readers = readers
+
+    def check_size(self):
+        total_size = 0
+        for r, _ in self.readers:
+            total_size += get_install_size(r)
+
+        free_space = get_free_space(self.sd)
+        return total_size, free_space
+
+    def check_for_id0(self):
+        sd_path = join(self.sd, 'Nintendo 3DS', self.crypto.id0.hex())
+        return isdir(sd_path)
+
+    def start(self):
+        if not (save3ds_fuse_path and isfile(save3ds_fuse_path)):
+            self.log("Couldn't find " + save3ds_fuse_path, 2)
+            return None, False, 0
+
+        crypto = self.crypto
+        # TODO: Move a lot of these into their own methods
+        self.log("Finding path to install to...")
+        [sd_path, id1s] = self.get_sd_path()
+        if len(id1s) > 1:
+            raise SDPathError(f'There are multiple id1 directories for id0 {crypto.id0.hex()}, '
+                              f'please remove extra directories')
+        elif len(id1s) == 0:
+            raise SDPathError(f'Could not find a suitable id1 directory for id0 {crypto.id0.hex()}')
+        id1 = id1s[0]
+        sd_path = join(sd_path, id1)
+
+        if self.cifinish_out:
+            cifinish_path = self.cifinish_out
+        else:
+            cifinish_path = join(self.sd, 'cifinish.bin')
+
+        try:
+            cifinish_data = load_cifinish(cifinish_path)
+        except InvalidCIFinishError as e:
+            self.log(f'{type(e).__qualname__}: {e}')
+            self.log(f'{cifinish_path} was corrupt!\n'
+                     f'This could mean an issue with the SD card or the filesystem. Please check it for errors.\n'
+                     f'It is also possible, though less likely, to be an issue with custom-install.\n'
+                     f'Exiting now to prevent possible issues. If you want to try again, delete cifinish.bin from the SD card and re-run custom-install.')
+            return None, False, 0
+
+        db_path = join(sd_path, 'dbs')
+        titledb_path = join(db_path, 'title.db')
+        importdb_path = join(db_path, 'import.db')
+        if not isfile(titledb_path):
+            makedirs(db_path, exist_ok=True)
+            with gzip.open(join(script_dir, 'title.db.gz')) as f:
+                tdb = f.read()
+
+            self.log(f'Creating title.db...')
+            with open(titledb_path, 'wb') as o:
+                with self.crypto.create_ctr_io(Keyslot.SD, o, self.crypto.sd_path_to_iv('/dbs/title.db')) as e:
+                    e.write(tdb)
+
+                    cmac = crypto.create_cmac_object(Keyslot.CMACSDNAND)
+                    cmac_data = [b'CTR-9DB0', 0x2.to_bytes(4, 'little'), tdb[0x100:0x200]]
+                    cmac.update(sha256(b''.join(cmac_data)).digest())
+
+                    e.seek(0)
+                    e.write(cmac.digest())
+
+            self.log(f'Creating import.db...')
+            with open(importdb_path, 'wb') as o:
+                with self.crypto.create_ctr_io(Keyslot.SD, o, self.crypto.sd_path_to_iv('/dbs/import.db')) as e:
+                    e.write(tdb)
+
+                    cmac = crypto.create_cmac_object(Keyslot.CMACSDNAND)
+                    cmac_data = [b'CTR-9DB0', 0x3.to_bytes(4, 'little'), tdb[0x100:0x200]]
+                    cmac.update(sha256(b''.join(cmac_data)).digest())
+
+                    e.seek(0)
+                    e.write(cmac.digest())
+
+            del tdb
+
+        with TemporaryDirectory(suffix='-custom-install') as tempdir:
+            # set up the common arguments for the two times we call save3ds_fuse
+            save3ds_fuse_common_args = [
+                save3ds_fuse_path,
+                '-b', crypto.b9_path,
+                '-m', self.movable,
+                '--sd', self.sd,
+                '--db', 'sdtitle',
+                tempdir
+            ]
+
+            extra_kwargs = {}
+            if is_windows:
+                # hide console window
+                extra_kwargs['creationflags'] = 0x08000000  # CREATE_NO_WINDOW
+
+            # extract the title database to add our own entry to
+            self.log('Extracting Title Database...')
+            out = subprocess.run(save3ds_fuse_common_args + ['-x'],
+                                 stdout=subprocess.PIPE,
+                                 stderr=subprocess.STDOUT,
+                                 encoding='utf-8',
+                                 **extra_kwargs)
+            if out.returncode:
+                for l in out.stdout.split('\n'):
+                    self.log(l)
+                self.log('Command line:')
+                for l in pformat(out.args).split('\n'):
+                    self.log(l)
+                return None, False, 0
+
+            install_state = {'installed': [], 'failed': []}
+
+            # Now loop through all provided cia files
+            for idx, info in enumerate(self.readers):
+                cia, path = info
+
+                self.event.on_cia_start(idx)
+                self.event.update_status(path, InstallStatus.Starting)
+
+                temp_title_root = join(self.sd, f'ci-install-temp-{cia.tmd.title_id}-{randint(0, 0xFFFFFFFF):08x}')
+                makedirs(temp_title_root, exist_ok=True)
+
+                tid_parts = (cia.tmd.title_id[0:8], cia.tmd.title_id[8:16])
+
+                try:
+                    display_title = f'{cia.contents[0].exefs.icon.get_app_title().short_desc} - {cia.tmd.title_id}'
+                except:
+                    display_title = cia.tmd.title_id
+                self.log(f'Installing {display_title}...')
+
+                title_size = get_install_size(cia)
+
+                # checks if this is dlc, which has some differences
+                is_dlc = tid_parts[0] == '0004008c'
+
+                # this checks if it has a manual (index 1) and is not DLC
+                has_manual = (not is_dlc) and (1 in cia.contents)
+
+                # this gets the extdata id from the extheader, stored in the storage info area
+                try:
+                    with cia.contents[0].open_raw_section(NCCHSection.ExtendedHeader) as e:
+                        e.seek(0x200 + 0x30)
+                        extdata_id = e.read(8)
+                except KeyError:
+                    # not an executable title
+                    extdata_id = b'\0' * 8
+
+                # cmd content id, starts with 1 for non-dlc contents
+                cmd_id = len(cia.content_info) if is_dlc else 1
+                cmd_filename = f'{cmd_id:08x}.cmd'
+
+                # this is where the final directory will be moved
+                tidhigh_root = join(sd_path, 'title', tid_parts[0])
+
+                # get the title root where all the contents will be
+                title_root = join(sd_path, 'title', *tid_parts)
+                content_root = join(title_root, 'content')
+                # generate the path used for the IV
+                title_root_cmd = f'/title/{"/".join(tid_parts)}'
+                content_root_cmd = title_root_cmd + '/content'
+
+                temp_content_root = join(temp_title_root, 'content')
+
+                if not self.skip_contents:
+                    self.event.update_status(path, InstallStatus.Writing)
+                    makedirs(join(temp_content_root, 'cmd'), exist_ok=True)
+                    if cia.tmd.save_size:
+                        makedirs(join(temp_title_root, 'data'), exist_ok=True)
+                    if is_dlc:
+                        # create the separate directories for every 256 contents
+                        for x in range(((len(cia.content_info) - 1) // 256) + 1):
+                            makedirs(join(temp_content_root, f'{x:08x}'), exist_ok=True)
+
+                    # maybe this will be changed in the future
+                    tmd_id = 0
+
+                    tmd_filename = f'{tmd_id:08x}.tmd'
+
+                    # write the tmd
+                    tmd_enc_path = content_root_cmd + '/' + tmd_filename
+                    self.log(f'Writing {tmd_enc_path}...')
+                    with open(join(temp_content_root, tmd_filename), 'wb') as o:
+                        with self.crypto.create_ctr_io(Keyslot.SD, o, self.crypto.sd_path_to_iv(tmd_enc_path)) as e:
+                            e.write(bytes(cia.tmd))
+
+                    # in case the contents are corrupted
+                    do_continue = False
+                    # write each content
+                    for co in cia.content_info:
+                        content_filename = co.id + '.app'
+                        if is_dlc:
+                            dir_index = format((co.cindex // 256), '08x')
+                            content_enc_path = content_root_cmd + f'/{dir_index}/{content_filename}'
+                            content_out_path = join(temp_content_root, dir_index, content_filename)
+                        else:
+                            content_enc_path = content_root_cmd + '/' + content_filename
+                            content_out_path = join(temp_content_root, content_filename)
+                        self.log(f'Writing {content_enc_path}...')
+                        with cia.open_raw_section(co.cindex) as s, open(content_out_path, 'wb') as o:
+                            result_hash = self.copy_with_progress(s, o, co.size, content_enc_path)
+                        if result_hash != co.hash:
+                            self.log(f'WARNING: Hash does not match for {content_enc_path}!')
+                            install_state['failed'].append(display_title)
+                            rename(temp_title_root, temp_title_root + '-corrupted')
+                            do_continue = True
+                            self.event.update_status(path, InstallStatus.Failed)
+                            break
+
+                    if do_continue:
+                        continue
+
+                    # generate a blank save
+                    if cia.tmd.save_size:
+                        sav_enc_path = title_root_cmd + '/data/00000001.sav'
+                        tmp_sav_out_path = join(temp_title_root, 'data', '00000001.sav')
+                        sav_out_path = join(title_root, 'data', '00000001.sav')
+                        if self.overwrite_saves or not isfile(sav_out_path):
+                            cipher = crypto.create_ctr_cipher(Keyslot.SD, crypto.sd_path_to_iv(sav_enc_path))
+                            # in a new save, the first 0x20 are all 00s. the rest can be random
+                            data = cipher.encrypt(b'\0' * 0x20)
+                            self.log(f'Generating blank save at {sav_enc_path}...')
+                            with open(tmp_sav_out_path, 'wb') as o:
+                                o.write(data)
+                                o.write(b'\0' * (cia.tmd.save_size - 0x20))
+                        else:
+                            self.log(f'Copying original save file from {sav_enc_path}...')
+                            copy2(sav_out_path, tmp_sav_out_path)
+
+                    # generate and write cmd
+                    cmd_enc_path = content_root_cmd + '/cmd/' + cmd_filename
+                    cmd_out_path = join(temp_content_root, 'cmd', cmd_filename)
+                    self.log(f'Generating {cmd_enc_path}')
+                    highest_index = 0
+                    content_ids = {}
+
+                    for record in cia.content_info:
+                        highest_index = record.cindex
+                        with cia.open_raw_section(record.cindex) as s:
+                            s.seek(0x100)
+                            cmac_data = s.read(0x100)
+
+                        id_bytes = bytes.fromhex(record.id)[::-1]
+                        cmac_data += record.cindex.to_bytes(4, 'little') + id_bytes
+
+                        cmac_ncch = crypto.create_cmac_object(Keyslot.CMACSDNAND)
+                        cmac_ncch.update(sha256(cmac_data).digest())
+                        content_ids[record.cindex] = (id_bytes, cmac_ncch.digest())
+
+                    # add content IDs up to the last one
+                    ids_by_index = [CMD_MISSING] * (highest_index + 1)
+                    installed_ids = []
+                    cmacs = []
+                    for x in range(len(ids_by_index)):
+                        try:
+                            info = content_ids[x]
+                        except KeyError:
+                            # "MISSING CONTENT!"
+                            # The 3DS does generate a cmac for missing contents, but I don't know how it works.
+                            # It doesn't matter anyway, the title seems to be fully functional.
+                            cmacs.append(bytes.fromhex('4D495353494E4720434F4E54454E5421'))
+                        else:
+                            ids_by_index[x] = info[0]
+                            cmacs.append(info[1])
+                            installed_ids.append(info[0])
+                    installed_ids.sort(key=lambda x: int.from_bytes(x, 'little'))
+
+                    final = (cmd_id.to_bytes(4, 'little')
+                             + len(ids_by_index).to_bytes(4, 'little')
+                             + len(installed_ids).to_bytes(4, 'little')
+                             + (1).to_bytes(4, 'little'))
+                    cmac_cmd_header = crypto.create_cmac_object(Keyslot.CMACSDNAND)
+                    cmac_cmd_header.update(final)
+                    final += cmac_cmd_header.digest()
+
+                    final += b''.join(ids_by_index)
+                    final += b''.join(installed_ids)
+                    final += b''.join(cmacs)
+
+                    cipher = crypto.create_ctr_cipher(Keyslot.SD, crypto.sd_path_to_iv(cmd_enc_path))
+                    self.log(f'Writing {cmd_enc_path}')
+                    with open(cmd_out_path, 'wb') as o:
+                        o.write(cipher.encrypt(final))
+
+                # this starts building the title info entry
+                title_info_entry_data = [
+                    # title size
+                    title_size.to_bytes(8, 'little'),
+                    # title type, seems to usually be 0x40
+                    0x40.to_bytes(4, 'little'),
+                    # title version
+                    int(cia.tmd.title_version).to_bytes(2, 'little'),
+                    # ncch version
+                    cia.contents[0].version.to_bytes(2, 'little'),
+                    # flags_0, only checking if there is a manual
+                    (1 if has_manual else 0).to_bytes(4, 'little'),
+                    # tmd content id, always starting with 0
+                    (0).to_bytes(4, 'little'),
+                    # cmd content id
+                    cmd_id.to_bytes(4, 'little'),
+                    # flags_1, only checking save data
+                    (1 if cia.tmd.save_size else 0).to_bytes(4, 'little'),
+                    # extdataid low
+                    extdata_id[0:4],
+                    # reserved
+                    b'\0' * 4,
+                    # flags_2, only using a common value
+                    0x100000000.to_bytes(8, 'little'),
+                    # product code
+                    cia.contents[0].product_code.encode('ascii').ljust(0x10, b'\0'),
+                    # reserved
+                    b'\0' * 0x10,
+                    # unknown
+                    randint(0, 0xFFFFFFFF).to_bytes(4, 'little'),
+                    # reserved
+                    b'\0' * 0x2c
+                ]
+
+                self.event.update_status(path, InstallStatus.Finishing)
+                if isdir(title_root):
+                    self.log(f'Removing original install at {title_root}...')
+                    rmtree(title_root)
+
+                makedirs(tidhigh_root, exist_ok=True)
+                rename(temp_title_root, title_root)
+
+                cifinish_data[int(cia.tmd.title_id, 16)] = {'seed': (get_seed(cia.contents[0].program_id) if cia.contents[0].flags.uses_seed else None)}
+
+                # This is saved regardless if any titles were installed, so the file can be upgraded just in case.
+                save_cifinish(cifinish_path, cifinish_data)
+
+                with open(join(tempdir, cia.tmd.title_id), 'wb') as o:
+                    o.write(b''.join(title_info_entry_data))
+
+                # import the directory, now including our title
+                self.log('Importing into Title Database...')
+                out = subprocess.run(save3ds_fuse_common_args + ['-i'],
+                                     stdout=subprocess.PIPE,
+                                     stderr=subprocess.STDOUT,
+                                     encoding='utf-8',
+                                     **extra_kwargs)
+                if out.returncode:
+                    for l in out.stdout.split('\n'):
+                        self.log(l)
+                    self.log('Command line:')
+                    for l in pformat(out.args).split('\n'):
+                        self.log(l)
+                    install_state['failed'].append(display_title)
+                    self.event.update_status(path, InstallStatus.Failed)
+                else:
+                    install_state['installed'].append(display_title)
+                    self.event.update_status(path, InstallStatus.Done)
+
+            copied = False
+            # launchable applications, not DLC or update data
+            application_count = len(glob(join(tempdir, '00040000*')))
+            if install_state['installed']:
+                if application_count >= 300:
+                    self.log(f'{application_count} installed applications were detected.', 1)
+                    self.log('The HOME Menu will only show 300 icons.', 1)
+                    self.log('Some applications (not updates or DLC) will need to be deleted.', 1)
+                finalize_3dsx_orig_path = join(script_dir, 'custom-install-finalize.3dsx')
+                hb_dir = join(self.sd, '3ds')
+                finalize_3dsx_path = join(hb_dir, 'custom-install-finalize.3dsx')
+                if isfile(finalize_3dsx_orig_path):
+                    self.log('Copying finalize program to ' + finalize_3dsx_path)
+                    makedirs(hb_dir, exist_ok=True)
+                    copyfile(finalize_3dsx_orig_path, finalize_3dsx_path)
+                    copied = True
+
+                self.log('FINAL STEP:')
+                self.log('Run custom-install-finalize through homebrew launcher.')
+                self.log('This will install a ticket and seed if required.')
+                if copied:
+                    self.log('custom-install-finalize has been copied to the SD card.')
+
+            return install_state, copied, application_count
+
+    def get_sd_path(self):
+        sd_path = join(self.sd, 'Nintendo 3DS', self.crypto.id0.hex())
+        id1s = []
+        for d in scandir(sd_path):
+            if d.is_dir() and len(d.name) == 32:
+                try:
+                    # check if the name can be converted to hex
+                    # I'm not sure what the 3DS does if there is a folder that is not a 32-char hex string.
+                    bytes.fromhex(d.name)
+                except ValueError:
+                    continue
+                else:
+                    id1s.append(d.name)
+        return [sd_path, id1s]
+
+    def log(self, message, mtype=0, errorname=None, end='\n'):
+        """Logs an Message with a type. Format is similar to python errors
+
+        There are 3 types of errors, indexed accordingly
+        type 0 = Message
+        type 1 = Warning
+        type 2 = Error
+
+        optionally, errorname can be a custom name as a string to identify errors easily
+        """
+        if errorname:
+            errorname += ": "
+        else:
+            # No errorname provided
+            errorname = ""
+        types = [
+            "",  # Type 0
+            "Warning: ",  # Type 1
+            "Error: "  # Type 2
+        ]
+        # Example: "Warning: UninformativeError: An error occured, try again.""
+        msg_with_type = types[mtype] + errorname + str(message)
+        self.log_lines.append(msg_with_type)
+        self.event.on_log_msg(msg_with_type, end=end)
+        return msg_with_type
+
+
+def main():
+    parser = ArgumentParser(description='Install a CIA to the SD card for a Nintendo 3DS system.')
+    parser.add_argument('cia', help='CIA files', nargs='+')
+    parser.add_argument('-m', '--movable', help='movable.sed file', required=True)
+    parser.add_argument('-b', '--boot9', help='boot9 file')
+    parser.add_argument('-s', '--seeddb', help='seeddb file')
+    parser.add_argument('--sd', help='path to SD root', required=True)
+    parser.add_argument('--skip-contents', help="don't add contents, only add title info entry", action='store_true')
+    parser.add_argument('--overwrite-saves', help='overwrite existing save files', action='store_true')
+    parser.add_argument('--cifinish-out', help='path for cifinish.bin file, defaults to (SD root)/cifinish.bin')
+
+    print(f'custom-install {__version__} - https://github.com/ihaveamac/custom-install')
+    args = parser.parse_args()
+
+    installer = CustomInstall(boot9=args.boot9,
+                              seeddb=args.seeddb,
+                              movable=args.movable,
+                              sd=args.sd,
+                              overwrite_saves=args.overwrite_saves,
+                              cifinish_out=args.cifinish_out,
+                              skip_contents=(args.skip_contents or False))
+
+    def log_handle(msg, end='\n'):
+        print(msg, end=end)
+    
+    def percent_handle(total_percent, total_read, size):
+        installer.log(f' {total_percent:>5.1f}%  {total_read:>.1f} MiB / {size:.1f} MiB\r', end='')
+
+    def error(exc):
+        for line in format_exception(*exc):
+            for line2 in line.split('\n')[:-1]:
+                installer.log(line2)
+
+    installer.event.on_log_msg += log_handle
+    installer.event.update_percentage += percent_handle
+    installer.event.on_error += error
+
+    if not installer.check_for_id0():
+        installer.event.on_error(f'Could not find id0 directory {installer.crypto.id0.hex()} '
+                                 f'inside Nintendo 3DS directory.')
+
+    installer.prepare_titles(args.cia)
+
+    if not args.skip_contents:
+        total_size, free_space = installer.check_size()
+        if total_size > free_space:
+            installer.event.on_log_msg(f'Not enough free space.\n'
+                                       f'Combined title install size: {total_size / (1024 * 1024):0.2f} MiB\n'
+                                       f'Free space: {free_space / (1024 * 1024):0.2f} MiB')
+            sys.exit(1)
+
+    result, copied_3dsx, application_count = installer.start()
+    if result is False:
+        # save3ds_fuse failed
+        installer.log('NOTE: Once save3ds_fuse is fixed, run the same command again with --skip-contents')
+    if application_count >= 300:
+        installer.log(f'\n\nWarning: {application_count} installed applications were detected.\n'
+                      f'The HOME Menu will only show 300 icons.\n'
+                      f'Some applications (not updates or DLC) will need to be deleted.')
+
+
+if __name__ == "__main__":
+    main()

custominstall/bin/Cargo.lock

@@ -2,39 +2,49 @@
 # It is not intended for manual editing.
 [[package]]
 name = "aes"
-version = "0.3.2"
+version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "aes-soft 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "aes-soft 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "aesni 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "aesni 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "block-cipher-trait 0.6.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "block-cipher 0.7.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "aes-soft"
-version = "0.3.3"
+version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "block-cipher-trait 0.6.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "block-cipher 0.7.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "byteorder 1.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "byteorder 1.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "opaque-debug 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "aesni"
-version = "0.6.0"
+version = "0.7.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "block-cipher-trait 0.6.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "block-cipher 0.7.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "opaque-debug 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "ahash"
-version = "0.2.17"
+version = "0.2.18"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "const-random 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "const-random 0.1.8 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "atty"
+version = "0.2.11"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "libc 0.2.71 (registry+https://github.com/rust-lang/crates.io-index)",
+ "termion 1.5.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "winapi 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -42,23 +52,28 @@ name = "autocfg"
 version = "0.1.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
+[[package]]
+name = "autocfg"
+version = "1.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
 [[package]]
 name = "block-buffer"
-version = "0.7.3"
+version = "0.8.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "block-padding 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "byte-tools 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "byteorder 1.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "byteorder 1.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
- "generic-array 0.12.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "generic-array 0.14.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
-name = "block-cipher-trait"
+name = "block-cipher"
-version = "0.6.2"
+version = "0.7.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "generic-array 0.12.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "generic-array 0.14.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -80,7 +95,7 @@ version = "0.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "byte_struct_derive 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "generic-array 0.13.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "generic-array 0.14.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -95,73 +110,75 @@ dependencies = [
 
 [[package]]
 name = "byteorder"
-version = "1.3.2"
+version = "1.3.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
-[[package]]
-name = "c2-chacha"
-version = "0.2.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "ppv-lite86 0.2.6 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
 [[package]]
 name = "cfg-if"
 version = "0.1.10"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
-name = "cmac"
+name = "chrono"
-version = "0.2.0"
+version = "0.4.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "block-cipher-trait 0.6.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "num-integer 0.1.43 (registry+https://github.com/rust-lang/crates.io-index)",
- "crypto-mac 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "num-traits 0.2.12 (registry+https://github.com/rust-lang/crates.io-index)",
- "dbl 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "time 0.1.43 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "cmac"
+version = "0.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "block-cipher 0.7.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "crypto-mac 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "dbl 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "const-random"
-version = "0.1.6"
+version = "0.1.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "const-random-macro 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "const-random-macro 0.1.8 (registry+https://github.com/rust-lang/crates.io-index)",
- "proc-macro-hack 0.5.11 (registry+https://github.com/rust-lang/crates.io-index)",
+ "proc-macro-hack 0.5.16 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "const-random-macro"
-version = "0.1.6"
+version = "0.1.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "proc-macro-hack 0.5.11 (registry+https://github.com/rust-lang/crates.io-index)",
+ "getrandom 0.1.14 (registry+https://github.com/rust-lang/crates.io-index)",
- "rand 0.7.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "proc-macro-hack 0.5.16 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "crypto-mac"
-version = "0.7.0"
+version = "0.8.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "generic-array 0.12.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "generic-array 0.14.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "subtle 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "subtle 2.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "dbl"
-version = "0.2.1"
+version = "0.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "generic-array 0.12.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "generic-array 0.14.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "digest"
-version = "0.8.1"
+version = "0.9.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "generic-array 0.12.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "generic-array 0.14.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -174,27 +191,20 @@ name = "fuse"
 version = "0.3.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "libc 0.2.65 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.71 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.3.9 (registry+https://github.com/rust-lang/crates.io-index)",
  "pkg-config 0.3.17 (registry+https://github.com/rust-lang/crates.io-index)",
  "thread-scoped 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "time 0.1.42 (registry+https://github.com/rust-lang/crates.io-index)",
+ "time 0.1.43 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "generic-array"
-version = "0.12.3"
+version = "0.14.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "typenum 1.11.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "typenum 1.12.0 (registry+https://github.com/rust-lang/crates.io-index)",
-]
+ "version_check 0.9.2 (registry+https://github.com/rust-lang/crates.io-index)",
-
-[[package]]
-name = "generic-array"
-version = "0.13.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "typenum 1.11.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -202,17 +212,17 @@ name = "getopts"
 version = "0.2.21"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "unicode-width 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "unicode-width 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "getrandom"
-version = "0.1.13"
+version = "0.1.14"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "cfg-if 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.65 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.71 (registry+https://github.com/rust-lang/crates.io-index)",
- "wasi 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "wasi 0.9.0+wasi-snapshot-preview1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -220,25 +230,31 @@ name = "hashbrown"
 version = "0.6.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "ahash 0.2.17 (registry+https://github.com/rust-lang/crates.io-index)",
+ "ahash 0.2.18 (registry+https://github.com/rust-lang/crates.io-index)",
  "autocfg 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "lazy_static"
+version = "0.2.11"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
 [[package]]
 name = "libc"
-version = "0.2.65"
+version = "0.2.71"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "libsave3ds"
 version = "0.1.0"
 dependencies = [
- "aes 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "aes 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "byte_struct 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "cmac 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cmac 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "lru 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
- "rand 0.7.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "lru 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "sha2 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rand 0.7.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "sha2 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -259,12 +275,34 @@ dependencies = [
 
 [[package]]
 name = "lru"
-version = "0.4.0"
+version = "0.5.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "hashbrown 0.6.3 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "num-integer"
+version = "0.1.43"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "autocfg 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "num-traits 0.2.12 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "num-traits"
+version = "0.2.12"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "autocfg 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "numtoa"
+version = "0.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
 [[package]]
 name = "opaque-debug"
 version = "0.2.3"
@@ -277,18 +315,13 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "ppv-lite86"
-version = "0.2.6"
+version = "0.2.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "proc-macro-hack"
-version = "0.5.11"
+version = "0.5.16"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "proc-macro2 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "quote 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "syn 1.0.8 (registry+https://github.com/rust-lang/crates.io-index)",
-]
 
 [[package]]
 name = "proc-macro2"
@@ -298,14 +331,6 @@ dependencies = [
  "unicode-xid 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
-[[package]]
-name = "proc-macro2"
-version = "1.0.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "unicode-xid 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
 [[package]]
 name = "quote"
 version = "0.6.13"
@@ -314,32 +339,24 @@ dependencies = [
  "proc-macro2 0.4.30 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
-[[package]]
-name = "quote"
-version = "1.0.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "proc-macro2 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
 [[package]]
 name = "rand"
-version = "0.7.2"
+version = "0.7.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "getrandom 0.1.13 (registry+https://github.com/rust-lang/crates.io-index)",
+ "getrandom 0.1.14 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.65 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.71 (registry+https://github.com/rust-lang/crates.io-index)",
- "rand_chacha 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rand_chacha 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand_core 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand_hc 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "rand_chacha"
-version = "0.2.1"
+version = "0.2.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "c2-chacha 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "ppv-lite86 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand_core 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -348,7 +365,7 @@ name = "rand_core"
 version = "0.5.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "getrandom 0.1.13 (registry+https://github.com/rust-lang/crates.io-index)",
+ "getrandom 0.1.14 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -364,31 +381,52 @@ name = "redox_syscall"
 version = "0.1.56"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
+[[package]]
+name = "redox_termios"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "redox_syscall 0.1.56 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "save3ds_fuse"
 version = "0.1.0"
 dependencies = [
  "fuse 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "getopts 0.2.21 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.65 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.71 (registry+https://github.com/rust-lang/crates.io-index)",
  "libsave3ds 0.1.0",
- "time 0.1.42 (registry+https://github.com/rust-lang/crates.io-index)",
+ "stderrlog 0.4.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "time 0.1.43 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "sha2"
-version = "0.8.0"
+version = "0.9.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "block-buffer 0.7.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "block-buffer 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "digest 0.8.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "digest 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "fake-simd 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "opaque-debug 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "stderrlog"
+version = "0.4.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "atty 0.2.11 (registry+https://github.com/rust-lang/crates.io-index)",
+ "chrono 0.4.11 (registry+https://github.com/rust-lang/crates.io-index)",
+ "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
+ "termcolor 1.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "thread_local 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "subtle"
-version = "1.0.0"
+version = "2.2.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
@@ -402,13 +440,22 @@ dependencies = [
 ]
 
 [[package]]
-name = "syn"
+name = "termcolor"
-version = "1.0.8"
+version = "1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "proc-macro2 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "winapi-util 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
- "quote 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
+]
- "unicode-xid 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
+
+[[package]]
+name = "termion"
+version = "1.5.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "libc 0.2.71 (registry+https://github.com/rust-lang/crates.io-index)",
+ "numtoa 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "redox_syscall 0.1.56 (registry+https://github.com/rust-lang/crates.io-index)",
+ "redox_termios 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -417,23 +464,31 @@ version = "1.0.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
-name = "time"
+name = "thread_local"
-version = "0.1.42"
+version = "0.3.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "libc 0.2.65 (registry+https://github.com/rust-lang/crates.io-index)",
+ "lazy_static 0.2.11 (registry+https://github.com/rust-lang/crates.io-index)",
- "redox_syscall 0.1.56 (registry+https://github.com/rust-lang/crates.io-index)",
+ "unreachable 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "time"
+version = "0.1.43"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "libc 0.2.71 (registry+https://github.com/rust-lang/crates.io-index)",
  "winapi 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "typenum"
-version = "1.11.2"
+version = "1.12.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "unicode-width"
-version = "0.1.6"
+version = "0.1.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
@@ -442,13 +497,26 @@ version = "0.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
-name = "unicode-xid"
+name = "unreachable"
-version = "0.2.0"
+version = "1.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "void 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "version_check"
+version = "0.9.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
+[[package]]
+name = "void"
+version = "1.0.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "wasi"
-version = "0.7.0"
+version = "0.9.0+wasi-snapshot-preview1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
@@ -465,67 +533,85 @@ name = "winapi-i686-pc-windows-gnu"
 version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
+[[package]]
+name = "winapi-util"
+version = "0.1.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "winapi 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "winapi-x86_64-pc-windows-gnu"
 version = "0.4.0"
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custominstall/bin/README

@@ -0,0 +1,11 @@
+save3ds_fuse for win32 and darwin built with commit 568b0597b17da0c8cfbd345bab27176cd84bd883
+in repository https://github.com/wwylele/save3ds
+
+win32 binary built on Windows 10, version 21H2 64-bit with `cargo build --release --target=i686-pc-windows-msvc`.
+
+darwin binary built on macOS 12.2 with:
+* `cargo build --target=aarch64-apple-darwin --no-default-features --release`
+* `cargo build --target=x86_64-apple-darwin --no-default-features --release`
+* Then a universal binary is built: `lipo -create -output save3ds_fuse-universal2 target/aarch64-apple-darwin/release/save3ds_fuse target/x86_64-apple-darwin/release/save3ds_fuse`
+
+linux binary must be provided by the user.

custominstall/gui.py

@@ -0,0 +1,760 @@
+#!/usr/bin/env python3
+
+# This file is a part of custom-install.py.
+#
+# custom-install is copyright (c) 2019 Ian Burgwin
+# This file is licensed under The MIT License (MIT).
+# You can find the full license text in LICENSE.md in the root of this project.
+
+from os import environ, scandir
+from os.path import abspath, basename, dirname, join, isfile
+import sys
+from threading import Thread, Lock
+from time import strftime
+from traceback import format_exception
+import tkinter as tk
+import tkinter.ttk as ttk
+import tkinter.filedialog as fd
+import tkinter.messagebox as mb
+from typing import TYPE_CHECKING
+
+from pyctr.crypto import MissingSeedError, CryptoEngine, load_seeddb
+from pyctr.crypto.engine import b9_paths
+from pyctr.util import config_dirs
+from pyctr.type.cdn import CDNError
+from pyctr.type.cia import CIAError
+from pyctr.type.tmd import TitleMetadataError
+
+from . import __version__
+from .__main__ import CustomInstall, load_cifinish, InvalidCIFinishError, InstallStatus, save3ds_fuse_path
+
+if TYPE_CHECKING:
+    from os import PathLike
+    from typing import Dict, List, Union
+
+frozen = getattr(sys, 'frozen', None)
+is_windows = sys.platform == 'win32'
+taskbar = None
+if is_windows:
+    if frozen:
+        # attempt to fix loading tcl/tk when running from a path with non-latin characters
+        tkinter_path = dirname(tk.__file__)
+        tcl_path = join(tkinter_path, 'tcl8.6')
+        environ['TCL_LIBRARY'] = 'lib/tkinter/tcl8.6'
+    try:
+        import comtypes.client as cc
+
+        tbl = cc.GetModule('TaskbarLib.tlb')
+
+        taskbar = cc.CreateObject('{56FDF344-FD6D-11D0-958A-006097C9A090}', interface=tbl.ITaskbarList3)
+        taskbar.HrInit()
+    except (ModuleNotFoundError, UnicodeEncodeError, AttributeError):
+        pass
+
+file_parent = dirname(abspath(__file__))
+
+# automatically load boot9 if it's in the current directory
+b9_paths.insert(0, join(file_parent, 'boot9.bin'))
+b9_paths.insert(0, join(file_parent, 'boot9_prot.bin'))
+
+seeddb_paths = [join(x, 'seeddb.bin') for x in config_dirs]
+try:
+    seeddb_paths.insert(0, environ['SEEDDB_PATH'])
+except KeyError:
+    pass
+# automatically load seeddb if it's in the current directory
+seeddb_paths.insert(0, join(file_parent, 'seeddb.bin'))
+
+
+def clamp(n, smallest, largest):
+    return max(smallest, min(n, largest))
+
+
+def find_first_file(paths):
+    for p in paths:
+        if isfile(p):
+            return p
+
+
+# find boot9, seeddb, and movable.sed to auto-select in the gui
+default_b9_path = find_first_file(b9_paths)
+default_seeddb_path = find_first_file(seeddb_paths)
+default_movable_sed_path = find_first_file([join(file_parent, 'movable.sed')])
+
+if default_seeddb_path:
+    load_seeddb(default_seeddb_path)
+
+statuses = {
+    InstallStatus.Waiting: 'Waiting',
+    InstallStatus.Starting: 'Starting',
+    InstallStatus.Writing: 'Writing',
+    InstallStatus.Finishing: 'Finishing',
+    InstallStatus.Done: 'Done',
+    InstallStatus.Failed: 'Failed',
+}
+
+
+class ConsoleFrame(ttk.Frame):
+    def __init__(self, parent: tk.BaseWidget = None, starting_lines: 'List[str]' = None):
+        super().__init__(parent)
+        self.parent = parent
+
+        self.rowconfigure(0, weight=1)
+        self.columnconfigure(0, weight=1)
+
+        scrollbar = ttk.Scrollbar(self, orient=tk.VERTICAL)
+        scrollbar.grid(row=0, column=1, sticky=tk.NSEW)
+
+        self.text = tk.Text(self, highlightthickness=0, wrap='word', yscrollcommand=scrollbar.set)
+        self.text.grid(row=0, column=0, sticky=tk.NSEW)
+
+        scrollbar.config(command=self.text.yview)
+
+        if starting_lines:
+            for l in starting_lines:
+                self.text.insert(tk.END, l + '\n')
+
+        self.text.see(tk.END)
+        self.text.configure(state=tk.DISABLED)
+
+    def log(self, *message, end='\n', sep=' '):
+        self.text.configure(state=tk.NORMAL)
+        self.text.insert(tk.END, sep.join(message) + end)
+        self.text.see(tk.END)
+        self.text.configure(state=tk.DISABLED)
+
+
+def simple_listbox_frame(parent, title: 'str', items: 'List[str]'):
+    frame = ttk.LabelFrame(parent, text=title)
+    frame.rowconfigure(0, weight=1)
+    frame.columnconfigure(0, weight=1)
+
+    scrollbar = ttk.Scrollbar(frame, orient=tk.VERTICAL)
+    scrollbar.grid(row=0, column=1, sticky=tk.NSEW)
+
+    box = tk.Listbox(frame, highlightthickness=0, yscrollcommand=scrollbar.set, selectmode=tk.EXTENDED)
+    box.grid(row=0, column=0, sticky=tk.NSEW)
+    scrollbar.config(command=box.yview)
+
+    box.insert(tk.END, *items)
+
+    box.config(height=clamp(len(items), 3, 10))
+
+    return frame
+
+
+class TitleReadFailResults(tk.Toplevel):
+    def __init__(self, parent: tk.Tk = None, *, failed: 'Dict[str, str]'):
+        super().__init__(parent)
+        self.parent = parent
+
+        self.wm_withdraw()
+        self.wm_transient(self.parent)
+        self.grab_set()
+        self.wm_title('Failed to add titles')
+
+        self.rowconfigure(0, weight=1)
+        self.columnconfigure(0, weight=1)
+
+        outer_container = ttk.Frame(self)
+        outer_container.grid(sticky=tk.NSEW)
+        outer_container.rowconfigure(0, weight=0)
+        outer_container.rowconfigure(1, weight=1)
+        outer_container.columnconfigure(0, weight=1)
+
+        message_label = ttk.Label(outer_container, text="Some titles couldn't be added.")
+        message_label.grid(row=0, column=0, sticky=tk.NSEW, padx=10, pady=10)
+
+        treeview_frame = ttk.Frame(outer_container)
+        treeview_frame.grid(row=1, column=0, sticky=tk.NSEW)
+        treeview_frame.rowconfigure(0, weight=1)
+        treeview_frame.columnconfigure(0, weight=1)
+
+        treeview_scrollbar = ttk.Scrollbar(treeview_frame, orient=tk.VERTICAL)
+        treeview_scrollbar.grid(row=0, column=1, sticky=tk.NSEW)
+
+        treeview = ttk.Treeview(treeview_frame, yscrollcommand=treeview_scrollbar.set)
+        treeview.grid(row=0, column=0, sticky=tk.NSEW, padx=10, pady=(0, 10))
+        treeview.configure(columns=('filepath', 'reason'), show='headings')
+
+        treeview.column('filepath', width=200, anchor=tk.W)
+        treeview.heading('filepath', text='File path')
+        treeview.column('reason', width=400, anchor=tk.W)
+        treeview.heading('reason', text='Reason')
+
+        treeview_scrollbar.configure(command=treeview.yview)
+
+        for path, reason in failed.items():
+            treeview.insert('', tk.END, text=path, iid=path, values=(basename(path), reason))
+
+        ok_frame = ttk.Frame(outer_container)
+        ok_frame.grid(row=2, column=0, sticky=tk.NSEW, padx=10, pady=(0, 10))
+        ok_frame.rowconfigure(0, weight=1)
+        ok_frame.columnconfigure(0, weight=1)
+
+        ok_button = ttk.Button(ok_frame, text='OK', command=self.destroy)
+        ok_button.grid(row=0, column=0)
+
+        self.wm_deiconify()
+
+
+class InstallResults(tk.Toplevel):
+    def __init__(self, parent: tk.Tk = None, *, install_state: 'Dict[str, List[str]]', copied_3dsx: bool,
+                 application_count: int):
+        super().__init__(parent)
+        self.parent = parent
+
+        self.wm_withdraw()
+        self.wm_transient(self.parent)
+        self.grab_set()
+        self.wm_title('Install results')
+
+        self.rowconfigure(0, weight=1)
+        self.columnconfigure(0, weight=1)
+
+        outer_container = ttk.Frame(self)
+        outer_container.grid(sticky=tk.NSEW)
+        outer_container.rowconfigure(0, weight=0)
+        outer_container.columnconfigure(0, weight=1)
+
+        if install_state['failed'] and install_state['installed']:
+            # some failed and some worked
+            message = ('Some titles were installed, some failed. Please check the output for more details.\n'
+                       'The ones that were installed can be finished with custom-install-finalize.')
+        elif install_state['failed'] and not install_state['installed']:
+            # all failed
+            message = 'All titles failed to install. Please check the output for more details.'
+        elif install_state['installed'] and not install_state['failed']:
+            # all worked
+            message = 'All titles were installed.'
+        else:
+            message = 'Nothing was installed.'
+
+        if install_state['installed']:
+            if copied_3dsx:
+                message += '\n\ncustom-install-finalize has been copied to the SD card.'
+            else:
+                message += ('\n\nNote: custom-install-finalize was not copied.\n'
+                            'You can either manually copy the 3dsx to your SD card, or use GodMode9 to finish the install.')
+
+        if application_count >= 300:
+            message += (f'\n\nWarning: {application_count} installed applications were detected.\n'
+                        f'The HOME Menu will only show 300 icons.\n'
+                        f'Some applications (not updates or DLC) will need to be deleted.')
+
+        message_label = ttk.Label(outer_container, text=message)
+        message_label.grid(row=0, column=0, sticky=tk.NSEW, padx=10, pady=10)
+
+        if install_state['installed']:
+            outer_container.rowconfigure(1, weight=1)
+            frame = simple_listbox_frame(outer_container, 'Installed', install_state['installed'])
+            frame.grid(row=1, column=0, sticky=tk.NSEW, padx=10, pady=(0, 10))
+
+        if install_state['failed']:
+            outer_container.rowconfigure(2, weight=1)
+            frame = simple_listbox_frame(outer_container, 'Failed', install_state['failed'])
+            frame.grid(row=2, column=0, sticky=tk.NSEW, padx=10, pady=(0, 10))
+
+        ok_frame = ttk.Frame(outer_container)
+        ok_frame.grid(row=3, column=0, sticky=tk.NSEW, padx=10, pady=(0, 10))
+        ok_frame.rowconfigure(0, weight=1)
+        ok_frame.columnconfigure(0, weight=1)
+
+        ok_button = ttk.Button(ok_frame, text='OK', command=self.destroy)
+        ok_button.grid(row=0, column=0)
+
+        self.wm_deiconify()
+
+
+class CustomInstallGUI(ttk.Frame):
+    console = None
+    b9_loaded = False
+
+    def __init__(self, parent: tk.Tk = None):
+        super().__init__(parent)
+        self.parent = parent
+
+        # readers to give to CustomInstall at the install
+        self.readers = {}
+
+        self.lock = Lock()
+
+        self.log_messages = []
+
+        self.hwnd = None  # will be set later
+
+        self.rowconfigure(2, weight=1)
+        self.columnconfigure(0, weight=1)
+
+        if taskbar:
+            # this is so progress can be shown in the taskbar
+            def setup_tab():
+                self.hwnd = int(parent.wm_frame(), 16)
+                taskbar.ActivateTab(self.hwnd)
+
+            self.after(100, setup_tab)
+
+        # ---------------------------------------------------------------- #
+        # create file pickers for base files
+        file_pickers = ttk.Frame(self)
+        file_pickers.grid(row=0, column=0, sticky=tk.EW)
+        file_pickers.columnconfigure(1, weight=1)
+
+        self.file_picker_textboxes = {}
+
+        def sd_callback():
+            f = fd.askdirectory(parent=parent, title='Select SD root (the directory or drive that contains '
+                                                     '"Nintendo 3DS")', initialdir=file_parent, mustexist=True)
+            if f:
+                cifinish_path = join(f, 'cifinish.bin')
+                try:
+                    load_cifinish(cifinish_path)
+                except InvalidCIFinishError:
+                    self.show_error(f'{cifinish_path} was corrupt!\n\n'
+                                    f'This could mean an issue with the SD card or the filesystem. Please check it for errors.\n'
+                                    f'It is also possible, though less likely, to be an issue with custom-install.\n\n'
+                                    f'Stopping now to prevent possible issues. If you want to try again, delete cifinish.bin from the SD card and re-run custom-install.')
+                    return
+
+                sd_selected.delete('1.0', tk.END)
+                sd_selected.insert(tk.END, f)
+
+                for filename in ['boot9.bin', 'seeddb.bin', 'movable.sed']:
+                    path = auto_input_filename(self, f, filename)
+                    if filename == 'boot9.bin':
+                        self.check_b9_loaded()
+                        self.enable_buttons()
+                    if filename == 'seeddb.bin':
+                        load_seeddb(path)
+
+
+        sd_type_label = ttk.Label(file_pickers, text='SD root')
+        sd_type_label.grid(row=0, column=0)
+
+        sd_selected = tk.Text(file_pickers, wrap='none', height=1)
+        sd_selected.grid(row=0, column=1, sticky=tk.EW)
+
+        sd_button = ttk.Button(file_pickers, text='...', command=sd_callback)
+        sd_button.grid(row=0, column=2)
+
+        self.file_picker_textboxes['sd'] = sd_selected
+
+        def auto_input_filename(self, f, filename):
+            sd_msed_path = find_first_file(
+                [join(f, "gm9", "out", filename), join(f, "boot9strap", filename), join(f, filename)]
+            )
+            if sd_msed_path:
+                self.log('Found ' + filename + ' on SD card at ' + sd_msed_path)
+                if filename.endswith('bin'):
+                    filename = filename.split('.')[0]
+                box = self.file_picker_textboxes[filename]
+                box.delete('1.0', tk.END)
+                box.insert(tk.END, sd_msed_path)
+                return sd_msed_path
+        # This feels so wrong.
+        def create_required_file_picker(type_name, types, default, row, callback=lambda filename: None):
+            def internal_callback():
+                f = fd.askopenfilename(parent=parent, title='Select ' + type_name, filetypes=types,
+                                       initialdir=file_parent)
+                if f:
+                    selected.delete('1.0', tk.END)
+                    selected.insert(tk.END, f)
+                    callback(f)
+
+            type_label = ttk.Label(file_pickers, text=type_name)
+            type_label.grid(row=row, column=0)
+
+            selected = tk.Text(file_pickers, wrap='none', height=1)
+            selected.grid(row=row, column=1, sticky=tk.EW)
+            if default:
+                selected.insert(tk.END, default)
+
+            button = ttk.Button(file_pickers, text='...', command=internal_callback)
+            button.grid(row=row, column=2)
+
+            self.file_picker_textboxes[type_name] = selected
+
+        def b9_callback(path: 'Union[PathLike, bytes, str]'):
+            self.check_b9_loaded()
+            self.enable_buttons()
+
+        def seeddb_callback(path: 'Union[PathLike, bytes, str]'):
+            load_seeddb(path)
+
+        create_required_file_picker('boot9', [('boot9 file', '*.bin')], default_b9_path, 1, b9_callback)
+        create_required_file_picker('seeddb', [('seeddb file', '*.bin')], default_seeddb_path, 2, seeddb_callback)
+        create_required_file_picker('movable.sed', [('movable.sed file', '*.sed')], default_movable_sed_path, 3)
+
+        # ---------------------------------------------------------------- #
+        # create buttons to add cias
+        titlelist_buttons = ttk.Frame(self)
+        titlelist_buttons.grid(row=1, column=0)
+
+        def add_cias_callback():
+            files = fd.askopenfilenames(parent=parent, title='Select CIA files', filetypes=[('CIA files', '*.cia')],
+                                        initialdir=file_parent)
+            results = {}
+            for f in files:
+                success, reason = self.add_cia(f)
+                if not success:
+                    results[f] = reason
+
+            if results:
+                title_read_fail_window = TitleReadFailResults(self.parent, failed=results)
+                title_read_fail_window.focus()
+            self.sort_treeview()
+
+        add_cias = ttk.Button(titlelist_buttons, text='Add CIAs', command=add_cias_callback)
+        add_cias.grid(row=0, column=0)
+
+        def add_cdn_callback():
+            d = fd.askdirectory(parent=parent, title='Select folder containing title contents in CDN format',
+                                initialdir=file_parent)
+            if d:
+                if isfile(join(d, 'tmd')):
+                    success, reason = self.add_cia(d)
+                    if not success:
+                        self.show_error(f"Couldn't add {basename(d)}: {reason}")
+                    else:
+                        self.sort_treeview()
+                else:
+                    self.show_error('tmd file not found in the CDN directory:\n' + d)
+
+        add_cdn = ttk.Button(titlelist_buttons, text='Add CDN title folder', command=add_cdn_callback)
+        add_cdn.grid(row=0, column=1)
+
+        def add_dirs_callback():
+            d = fd.askdirectory(parent=parent, title='Select folder containing CIA files', initialdir=file_parent)
+            if d:
+                results = {}
+                for f in scandir(d):
+                    if f.name.lower().endswith('.cia'):
+                        success, reason = self.add_cia(f.path)
+                        if not success:
+                            results[f] = reason
+
+                if results:
+                    title_read_fail_window = TitleReadFailResults(self.parent, failed=results)
+                    title_read_fail_window.focus()
+                self.sort_treeview()
+
+        add_dirs = ttk.Button(titlelist_buttons, text='Add folder', command=add_dirs_callback)
+        add_dirs.grid(row=0, column=2)
+
+        def remove_selected_callback():
+            for entry in self.treeview.selection():
+                self.remove_cia(entry)
+
+        remove_selected = ttk.Button(titlelist_buttons, text='Remove selected', command=remove_selected_callback)
+        remove_selected.grid(row=0, column=3)
+
+        # ---------------------------------------------------------------- #
+        # create treeview
+        treeview_frame = ttk.Frame(self)
+        treeview_frame.grid(row=2, column=0, sticky=tk.NSEW)
+        treeview_frame.rowconfigure(0, weight=1)
+        treeview_frame.columnconfigure(0, weight=1)
+
+        treeview_scrollbar = ttk.Scrollbar(treeview_frame, orient=tk.VERTICAL)
+        treeview_scrollbar.grid(row=0, column=1, sticky=tk.NSEW)
+
+        self.treeview = ttk.Treeview(treeview_frame, yscrollcommand=treeview_scrollbar.set)
+        self.treeview.grid(row=0, column=0, sticky=tk.NSEW)
+        self.treeview.configure(columns=('filepath', 'titleid', 'titlename', 'status'), show='headings')
+
+        self.treeview.column('filepath', width=200, anchor=tk.W)
+        self.treeview.heading('filepath', text='File path')
+        self.treeview.column('titleid', width=70, anchor=tk.W)
+        self.treeview.heading('titleid', text='Title ID')
+        self.treeview.column('titlename', width=150, anchor=tk.W)
+        self.treeview.heading('titlename', text='Title name')
+        self.treeview.column('status', width=20, anchor=tk.W)
+        self.treeview.heading('status', text='Status')
+
+        treeview_scrollbar.configure(command=self.treeview.yview)
+
+        # ---------------------------------------------------------------- #
+        # create progressbar
+
+        self.progressbar = ttk.Progressbar(self, orient=tk.HORIZONTAL, mode='determinate')
+        self.progressbar.grid(row=3, column=0, sticky=tk.NSEW)
+
+        # ---------------------------------------------------------------- #
+        # create start and console buttons
+
+        control_frame = ttk.Frame(self)
+        control_frame.grid(row=4, column=0)
+
+        self.skip_contents_var = tk.IntVar()
+        skip_contents_checkbox = ttk.Checkbutton(control_frame, text='Skip contents (only add to title database)',
+                                                 variable=self.skip_contents_var)
+        skip_contents_checkbox.grid(row=0, column=0)
+
+        self.overwrite_saves_var = tk.IntVar()
+        overwrite_saves_checkbox = ttk.Checkbutton(control_frame, text='Overwrite existing saves',
+                                                   variable=self.overwrite_saves_var)
+        overwrite_saves_checkbox.grid(row=0, column=1)
+
+        show_console = ttk.Button(control_frame, text='Show console', command=self.open_console)
+        show_console.grid(row=0, column=2)
+
+        start = ttk.Button(control_frame, text='Start install', command=self.start_install)
+        start.grid(row=0, column=3)
+
+        self.status_label = ttk.Label(self, text='Waiting...')
+        self.status_label.grid(row=5, column=0, sticky=tk.NSEW)
+
+        self.log(f'custom-install {__version__} - https://github.com/ihaveamac/custom-install', status=False)
+
+        if is_windows and not taskbar:
+            self.log('Note: Could not load taskbar lib.')
+            self.log('Note: Progress will not be shown in the Windows taskbar.')
+
+        self.log('Ready.')
+
+        self.require_boot9 = (add_cias, add_cdn, add_dirs, remove_selected, start)
+
+        self.disable_buttons()
+        self.check_b9_loaded()
+        self.enable_buttons()
+        if not self.b9_loaded:
+            self.log('Note: boot9 was not auto-detected. Please choose it before adding any titles.')
+
+    def sort_treeview(self):
+        l = [(self.treeview.set(k, 'titlename'), k) for k in self.treeview.get_children()]
+        # sort by title name
+        l.sort(key=lambda x: x[0].lower())
+
+        for idx, pair in enumerate(l):
+            self.treeview.move(pair[1], '', idx)
+
+    def check_b9_loaded(self):
+        if not self.b9_loaded:
+            boot9 = self.file_picker_textboxes['boot9'].get('1.0', tk.END).strip()
+            try:
+                tmp_crypto = CryptoEngine(boot9=boot9)
+                self.b9_loaded = tmp_crypto.b9_keys_set
+            except:
+                return False
+        return self.b9_loaded
+
+    def update_status(self, path: 'Union[PathLike, bytes, str]', status: InstallStatus):
+        self.treeview.set(path, 'status', statuses[status])
+
+    def add_cia(self, path):
+        if not self.check_b9_loaded():
+            # this shouldn't happen
+            return False, 'Please choose boot9 first'
+        path = abspath(path)
+        if path in self.readers:
+            return False, 'File already in list'
+        try:
+            reader = CustomInstall.get_reader(path)
+        except (CIAError, CDNError, TitleMetadataError):
+            return False, 'Failed to read as a CIA or CDN title, probably corrupt'
+        except MissingSeedError:
+            return False, 'Latest seeddb.bin is required, check the README for details'
+        except Exception as e:
+            return False, f'Exception occurred: {type(e).__name__}: {e}'
+
+        if reader.tmd.title_id.startswith('00048'):
+            return False, 'DSiWare is not supported'
+        try:
+            title_name = reader.contents[0].exefs.icon.get_app_title().short_desc
+        except:
+            title_name = '(No title)'
+        self.treeview.insert('', tk.END, text=path, iid=path,
+                             values=(path, reader.tmd.title_id, title_name, statuses[InstallStatus.Waiting]))
+        self.readers[path] = reader
+        return True, ''
+
+    def remove_cia(self, path):
+        self.treeview.delete(path)
+        del self.readers[path]
+
+    def open_console(self):
+        if self.console:
+            self.console.parent.lift()
+            self.console.focus()
+        else:
+            console_window = tk.Toplevel()
+            console_window.title('custom-install Console')
+
+            self.console = ConsoleFrame(console_window, self.log_messages)
+            self.console.pack(fill=tk.BOTH, expand=True)
+
+            def close():
+                with self.lock:
+                    try:
+                        console_window.destroy()
+                    except:
+                        pass
+                    self.console = None
+
+            console_window.focus()
+
+            console_window.protocol('WM_DELETE_WINDOW', close)
+
+    def log(self, line, status=True):
+        with self.lock:
+            log_msg = f"{strftime('%H:%M:%S')} - {line}"
+            self.log_messages.append(log_msg)
+            if self.console:
+                self.console.log(log_msg)
+
+            if status:
+                self.status_label.config(text=line)
+
+            print(log_msg)
+
+    def show_error(self, message):
+        mb.showerror('Error', message, parent=self.parent)
+
+    def ask_warning(self, message):
+        return mb.askokcancel('Warning', message, parent=self.parent)
+
+    def show_info(self, message):
+        mb.showinfo('Info', message, parent=self.parent)
+
+    def disable_buttons(self):
+        for b in self.require_boot9:
+            b.config(state=tk.DISABLED)
+        for b in self.file_picker_textboxes.values():
+            b.config(state=tk.DISABLED)
+
+    def enable_buttons(self):
+        if self.b9_loaded:
+            for b in self.require_boot9:
+                b.config(state=tk.NORMAL)
+        for b in self.file_picker_textboxes.values():
+            b.config(state=tk.NORMAL)
+
+    def start_install(self):
+        sd_root = self.file_picker_textboxes['sd'].get('1.0', tk.END).strip()
+        seeddb = self.file_picker_textboxes['seeddb'].get('1.0', tk.END).strip()
+        movable_sed = self.file_picker_textboxes['movable.sed'].get('1.0', tk.END).strip()
+
+        if not sd_root:
+            self.show_error('SD root is not specified.')
+            return
+        if not movable_sed:
+            self.show_error('movable.sed is not specified.')
+            return
+
+        if not seeddb:
+            if not self.ask_warning('seeddb was not specified. Titles that require it will fail to install.\n'
+                                    'Continue?'):
+                return
+
+        if not len(self.readers):
+            self.show_error('There are no titles added to install.')
+            return
+
+        for path in self.readers.keys():
+            self.update_status(path, InstallStatus.Waiting)
+        self.disable_buttons()
+
+        if taskbar:
+            taskbar.SetProgressState(self.hwnd, tbl.TBPF_NORMAL)
+
+        installer = CustomInstall(movable=movable_sed,
+                                  sd=sd_root,
+                                  skip_contents=self.skip_contents_var.get() == 1,
+                                  overwrite_saves=self.overwrite_saves_var.get() == 1)
+
+        if not installer.check_for_id0():
+            self.show_error(f'id0 {installer.crypto.id0.hex()} was not found inside "Nintendo 3DS" on the SD card.\n'
+                            f'\n'
+                            f'Before using custom-install, you should use this SD card on the appropriate console.\n'
+                            f'\n'
+                            f'Otherwise, make sure the correct movable.sed is being used.')
+            return
+
+        self.log('Starting install...')
+
+        # use the treeview which has been sorted alphabetically
+        readers_final = []
+        for k in self.treeview.get_children():
+            filepath = self.treeview.set(k, 'filepath')
+            readers_final.append((self.readers[filepath], filepath))
+
+        installer.readers = readers_final
+
+        finished_percent = 0
+        max_percentage = 100 * len(self.readers)
+        self.progressbar.config(maximum=max_percentage)
+
+        def ci_on_log_msg(message, *args, **kwargs):
+            # ignoring end
+            self.log(message)
+
+        def ci_update_percentage(total_percent, total_read, size):
+            self.progressbar.config(value=total_percent + finished_percent)
+            if taskbar:
+                taskbar.SetProgressValue(self.hwnd, int(total_percent + finished_percent), max_percentage)
+
+        def ci_on_error(exc):
+            if taskbar:
+                taskbar.SetProgressState(self.hwnd, tbl.TBPF_ERROR)
+            for line in format_exception(*exc):
+                for line2 in line.split('\n')[:-1]:
+                    installer.log(line2)
+            self.show_error('An error occurred during installation.')
+            self.open_console()
+
+        def ci_on_cia_start(idx):
+            nonlocal finished_percent
+            finished_percent = idx * 100
+            if taskbar:
+                taskbar.SetProgressValue(self.hwnd, finished_percent, max_percentage)
+
+        installer.event.on_log_msg += ci_on_log_msg
+        installer.event.update_percentage += ci_update_percentage
+        installer.event.on_error += ci_on_error
+        installer.event.on_cia_start += ci_on_cia_start
+        installer.event.update_status += self.update_status
+
+        if self.skip_contents_var.get() != 1:
+            total_size, free_space = installer.check_size()
+            if total_size > free_space:
+                self.show_error(f'Not enough free space.\n'
+                                f'Combined title install size: {total_size / (1024 * 1024):0.2f} MiB\n'
+                                f'Free space: {free_space / (1024 * 1024):0.2f} MiB')
+                self.enable_buttons()
+                return
+
+        def install():
+            try:
+                result, copied_3dsx, application_count = installer.start()
+                if result:
+                    result_window = InstallResults(self.parent,
+                                                   install_state=result,
+                                                   copied_3dsx=copied_3dsx,
+                                                   application_count=application_count)
+                    result_window.focus()
+                elif result is None:
+                    self.show_error("An error occurred when trying to run save3ds_fuse.\n"
+                                    "Either title.db doesn't exist, or save3ds_fuse couldn't be run.")
+                    self.open_console()
+            except:
+                installer.event.on_error(sys.exc_info())
+            finally:
+                self.enable_buttons()
+
+        Thread(target=install).start()
+
+
+def main():
+    if not (save3ds_fuse_path and isfile(save3ds_fuse_path)):
+        mb.showerror('Error', "Couldn't find save3ds_fuse. Please place it PATH.")
+        return
+
+    window = tk.Tk()
+    window.title(f'custom-install {__version__}')
+    frame = CustomInstallGUI(window)
+    frame.pack(fill=tk.BOTH, expand=True)
+    window.mainloop()
+
+
+if __name__ == '__main__':
+    main()

default.nix

@@ -0,0 +1,34 @@
+{
+  pkgs ? import <nixpkgs> { },
+  # just so i can use the same pinned version as the flake...
+  pyctr ? (
+    let
+      flakeLock = builtins.fromJSON (builtins.readFile ./flake.lock);
+      pyctr-repo = import (builtins.fetchTarball (
+        with flakeLock.nodes.pyctr.locked;
+        {
+          url = "https://github.com/${owner}/${repo}/archive/${rev}.tar.gz";
+        }
+      )) { inherit pkgs; };
+    in
+    pyctr-repo.pyctr
+  ),
+  save3ds ? (
+    let
+      flakeLock = builtins.fromJSON (builtins.readFile ./flake.lock);
+      hax-nur-repo = import (builtins.fetchTarball (
+        with flakeLock.nodes.hax-nur.locked;
+        {
+          url = "https://github.com/${owner}/${repo}/archive/${rev}.tar.gz";
+        }
+      )) { inherit pkgs; };
+    in
+    hax-nur-repo.save3ds
+  ),
+}:
+
+rec {
+  custominstall = pkgs.python3Packages.callPackage ./package.nix {
+    inherit pyctr save3ds;
+  };
+}

extras/windows-quickstart.txt

@@ -0,0 +1,7 @@
+Run ci-gui to bring up the custom-install gui.
+Select your SD card root, boot9, seeddb, and movable.sed files.
+In some cases these will be automatically selected for you.
+
+Add the CIA files and click "Start install".
+
+Once it's finished, start up the homebrew launcher and run custom-install-finalize to finish the process.

finalize/Makefile

@@ -54,7 +54,7 @@ CFLAGS	:=	-g -Wall -O2 -mword-relocations \
 			-fomit-frame-pointer -ffunction-sections \
 			$(ARCH)
 
-CFLAGS	+=	$(INCLUDE) -DARM11 -D_3DS
+CFLAGS	+=	$(INCLUDE) -D__3DS__
 
 CXXFLAGS	:= $(CFLAGS) -fno-rtti -fno-exceptions -std=gnu++11
 

finalize/flake.lock

@@ -0,0 +1,82 @@
+{
+  "nodes": {
+    "devkitNix": {
+      "inputs": {
+        "flake-utils": "flake-utils",
+        "nixpkgs": [
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1766539742,
+        "narHash": "sha256-F6OeM2LrLo2n+Xg5XU4udQR/vuWWrDMKxXRzNXE2ClQ=",
+        "owner": "bandithedoge",
+        "repo": "devkitNix",
+        "rev": "c97f9880737716085e78009cba6bf85ad104628b",
+        "type": "github"
+      },
+      "original": {
+        "owner": "bandithedoge",
+        "repo": "devkitNix",
+        "type": "github"
+      }
+    },
+    "flake-utils": {
+      "inputs": {
+        "systems": "systems"
+      },
+      "locked": {
+        "lastModified": 1731533236,
+        "narHash": "sha256-l0KFg5HjrsfsO/JpG+r7fRrqm12kzFHyUHqHCVpMMbI=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "11707dc2f618dd54ca8739b309ec4fc024de578b",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    },
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1768032153,
+        "narHash": "sha256-6kD1MdY9fsE6FgSwdnx29hdH2UcBKs3/+JJleMShuJg=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "3146c6aa9995e7351a398e17470e15305e6e18ff",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixpkgs-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "devkitNix": "devkitNix",
+        "nixpkgs": "nixpkgs"
+      }
+    },
+    "systems": {
+      "locked": {
+        "lastModified": 1681028828,
+        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
+        "owner": "nix-systems",
+        "repo": "default",
+        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-systems",
+        "repo": "default",
+        "type": "github"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}

finalize/flake.nix

@@ -0,0 +1,33 @@
+{
+  inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs/nixpkgs-unstable";
+    devkitNix.url = "github:bandithedoge/devkitNix";
+    devkitNix.inputs.nixpkgs.follows = "nixpkgs";
+  };
+
+  outputs = { self, nixpkgs, devkitNix }: let
+    pkgs = import nixpkgs { system = "x86_64-linux"; overlays = [ devkitNix.overlays.default ]; };
+  in {
+    devShells.x86_64-linux = rec {
+      custom-install-finalize = pkgs.mkShell.override { stdenv = pkgs.devkitNix.stdenvARM; } {};
+      cif = custom-install-finalize;
+      default = custom-install-finalize;
+    };
+
+    packages.x86_64-linux = rec {
+      custom-install-finalize = pkgs.devkitNix.stdenvARM.mkDerivation rec {
+        name = "custom-install-finalize";
+        src = builtins.path { path = ./.; name = name; };
+
+        makeFlags = [ "TARGET=${name}" ];
+
+        installPhase = ''
+          mkdir $out
+          cp ${name}.3dsx $out
+        '';
+      };
+      cif = custom-install-finalize;
+      default = custom-install-finalize;
+    };
+  };
+}

finalize/source/main.c

@@ -189,6 +189,7 @@ int load_cifinish(char* path, struct finish_db_entry_final **entries)
 		}
 	}
 
+	fclose(fp);
 	return header.title_count;
 
 fail:
@@ -196,34 +197,99 @@ fail:
 	return -1;
 }
 
+Result check_title_exist(u64 title_id, u64 *ticket_ids, u32 ticket_ids_length,  u64 *title_ids, u32 title_ids_length)
+{
+	Result ret = -2;
+
+	for (u32 i = 0; i < ticket_ids_length; i++)
+	{
+		if (ticket_ids[i] == title_id)
+		{
+			ret++;
+			break;
+		}
+	}
+
+	for (u32 i = 0; i < title_ids_length; i++)
+	{
+		if (title_ids[i] == title_id)
+		{
+			ret++;
+			break;
+		}
+	}
+
+	return ret;
+}
+
 void finalize_install(void)
 {
 	Result res;
 	Handle ticketHandle;
 	struct ticket_dumb ticket_buf;
-	struct finish_db_entry_final *entries;
+	struct finish_db_entry_final *entries = NULL;
-	int title_count;
+	int title_count;	
+
+	u32 titles_read;
+	u32 tickets_read;
+
+	res = AM_GetTitleCount(MEDIATYPE_SD, &titles_read);
+
+	if (R_FAILED(res))
+	{
+		return;
+	}
+
+	res = AM_GetTicketCount(&tickets_read);
+
+	if (R_FAILED(res))
+	{
+		return;
+	}
+
+	u64 *installed_ticket_ids = malloc(sizeof(u64) * tickets_read );
+	u64 *installed_title_ids  = malloc(sizeof(u64) * titles_read  );
+
+	res = AM_GetTitleList(&titles_read, MEDIATYPE_SD, titles_read, installed_title_ids);
+
+	if (R_FAILED(res))
+	{
+		goto exit;
+	}
+
+	res = AM_GetTicketList(&tickets_read, tickets_read, 0, installed_ticket_ids);
+
+	if (R_FAILED(res))
+	{
+		goto exit;
+	}
 
 	title_count = load_cifinish(CIFINISH_PATH, &entries);
+
 	if (title_count == -1)
 	{
-		free(entries);
+		goto exit;
-		return;
 	}
-	if (title_count == 0)
+	else if (title_count == 0)
 	{
 		printf("No titles to finalize.\n");
-		free(entries);
+		goto exit;
-		return;
 	}
 
-	//printf("Deleting %s...\n", CIFINISH_PATH);
-	//unlink(CIFINISH_PATH);
-
 	memcpy(&ticket_buf, basetik_bin, basetik_bin_size);
 
+	Result exist_res = 0;
+
 	for (int i = 0; i < title_count; ++i)
 	{
+		exist_res = check_title_exist(entries[i].title_id, installed_ticket_ids, tickets_read, installed_title_ids, titles_read);
+
+		if (R_SUCCEEDED(exist_res))
+		{
+			printf("No need to finalize %016llx, skipping...\n", entries[i].title_id);
+			continue;
+		}
+
 		printf("Finalizing %016llx...\n", entries[i].title_id);
 
 		ticket_buf.title_id_be = __builtin_bswap64(entries[i].title_id);
@@ -233,8 +299,7 @@ void finalize_install(void)
 		{
 			printf("Failed to begin ticket install: %08lx\n", res);
 			AM_InstallTicketAbort(ticketHandle);
-			free(entries);
+			goto exit;
-			return;
 		}
 
 		res = FSFILE_Write(ticketHandle, NULL, 0, &ticket_buf, sizeof(struct ticket_dumb), 0);
@@ -242,8 +307,7 @@ void finalize_install(void)
 		{
 			printf("Failed to write ticket: %08lx\n", res);
 			AM_InstallTicketAbort(ticketHandle);
-			free(entries);
+			goto exit;
-			return;
 		}
 
 		res = AM_InstallTicketFinish(ticketHandle);
@@ -251,8 +315,7 @@ void finalize_install(void)
 		{
 			printf("Failed to finish ticket install: %08lx\n", res);
 			AM_InstallTicketAbort(ticketHandle);
-			free(entries);
+			goto exit;
-			return;
 		}
 
 		if (entries[i].has_seed)
@@ -266,7 +329,15 @@ void finalize_install(void)
 		}
 	}
 
+	printf("Deleting %s...\n", CIFINISH_PATH);
+	unlink(CIFINISH_PATH);
+
+	exit:
+
 	free(entries);
+	free(installed_ticket_ids);
+	free(installed_title_ids);
+	return;
 }
 
 int main(int argc, char* argv[])
@@ -275,7 +346,7 @@ int main(int argc, char* argv[])
 	gfxInitDefault();
 	consoleInit(GFX_TOP, NULL);
 
-	printf("custom-install-finalize v1.4\n");
+	printf("custom-install-finalize v1.6\n");
 
 	finalize_install();
 	// print this at the end in case it gets pushed off the screen

flake.lock

@@ -0,0 +1,167 @@
+{
+  "nodes": {
+    "devkitNix": {
+      "inputs": {
+        "flake-utils": "flake-utils",
+        "nixpkgs": [
+          "finalize",
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1766539742,
+        "narHash": "sha256-F6OeM2LrLo2n+Xg5XU4udQR/vuWWrDMKxXRzNXE2ClQ=",
+        "owner": "bandithedoge",
+        "repo": "devkitNix",
+        "rev": "c97f9880737716085e78009cba6bf85ad104628b",
+        "type": "github"
+      },
+      "original": {
+        "owner": "bandithedoge",
+        "repo": "devkitNix",
+        "type": "github"
+      }
+    },
+    "finalize": {
+      "inputs": {
+        "devkitNix": "devkitNix",
+        "nixpkgs": [
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1,
+        "narHash": "sha256-BZgu7+/RV9Gy1xo/icz5kd2fKCa3Zow+Zz6MJWzpgMM=",
+        "path": "finalize",
+        "type": "path"
+      },
+      "original": {
+        "path": "finalize",
+        "type": "path"
+      }
+    },
+    "flake-utils": {
+      "inputs": {
+        "systems": "systems"
+      },
+      "locked": {
+        "lastModified": 1731533236,
+        "narHash": "sha256-l0KFg5HjrsfsO/JpG+r7fRrqm12kzFHyUHqHCVpMMbI=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "11707dc2f618dd54ca8739b309ec4fc024de578b",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    },
+    "hax-nur": {
+      "inputs": {
+        "nixpkgs": [
+          "nixpkgs"
+        ],
+        "treefmt-nix": "treefmt-nix"
+      },
+      "locked": {
+        "lastModified": 1768151313,
+        "narHash": "sha256-qcMLsdACTlFHltziBAsS1r09cVZyp5fUR16//mIhLIs=",
+        "owner": "ihaveamac",
+        "repo": "nur-packages",
+        "rev": "8ebcd637fd5cd8e673c8e01ed408bf206f9d4f9b",
+        "type": "github"
+      },
+      "original": {
+        "owner": "ihaveamac",
+        "ref": "master",
+        "repo": "nur-packages",
+        "type": "github"
+      }
+    },
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1768032153,
+        "narHash": "sha256-6kD1MdY9fsE6FgSwdnx29hdH2UcBKs3/+JJleMShuJg=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "3146c6aa9995e7351a398e17470e15305e6e18ff",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixpkgs-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "pyctr": {
+      "inputs": {
+        "nixpkgs": [
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1763515957,
+        "narHash": "sha256-S0qzooGQN5tkbIVgijVZ9umvBC1dYbdPN97tks5SbwE=",
+        "owner": "ihaveamac",
+        "repo": "pyctr",
+        "rev": "eb8d4d06ce7339727d3f72b40f45ec3260336058",
+        "type": "github"
+      },
+      "original": {
+        "owner": "ihaveamac",
+        "ref": "master",
+        "repo": "pyctr",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "finalize": "finalize",
+        "hax-nur": "hax-nur",
+        "nixpkgs": "nixpkgs",
+        "pyctr": "pyctr"
+      }
+    },
+    "systems": {
+      "locked": {
+        "lastModified": 1681028828,
+        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
+        "owner": "nix-systems",
+        "repo": "default",
+        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-systems",
+        "repo": "default",
+        "type": "github"
+      }
+    },
+    "treefmt-nix": {
+      "inputs": {
+        "nixpkgs": [
+          "hax-nur",
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1768031762,
+        "narHash": "sha256-b2gJDJfi+TbA7Hu2sKip+1mWqya0GJaWrrXQjpbOVTU=",
+        "owner": "numtide",
+        "repo": "treefmt-nix",
+        "rev": "0c445aa21b01fd1d4bb58927f7b268568af87b20",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "treefmt-nix",
+        "type": "github"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}

flake.nix

@@ -0,0 +1,80 @@
+{
+  description = "custominstall";
+
+  inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs/nixpkgs-unstable";
+    pyctr.url = "github:ihaveamac/pyctr/master";
+    pyctr.inputs.nixpkgs.follows = "nixpkgs";
+    hax-nur.url = "github:ihaveamac/nur-packages/master";
+    hax-nur.inputs.nixpkgs.follows = "nixpkgs";
+    finalize.url = "path:finalize";
+    finalize.inputs.nixpkgs.follows = "nixpkgs";
+  };
+
+  outputs =
+    inputs@{
+      self,
+      nixpkgs,
+      pyctr,
+      hax-nur,
+      finalize,
+    }:
+    let
+      systems = [
+        "x86_64-linux"
+        "i686-linux"
+        "x86_64-darwin"
+        "aarch64-darwin"
+        "aarch64-linux"
+        "armv6l-linux"
+        "armv7l-linux"
+      ];
+      forAllSystems = f: nixpkgs.lib.genAttrs systems (system: f system);
+    in
+    {
+      legacyPackages = forAllSystems (
+        system:
+        (import ./default.nix {
+          pkgs = import nixpkgs { inherit system; };
+          pyctr = pyctr.packages.${system}.pyctr;
+          save3ds = hax-nur.packages.${system}.save3ds;
+        })
+        // {
+          default = self.legacyPackages.${system}.custominstall;
+        }
+      );
+      packages = forAllSystems (
+        system: nixpkgs.lib.filterAttrs (_: v: nixpkgs.lib.isDerivation v) self.legacyPackages.${system}
+      );
+
+      apps = forAllSystems (
+        system:
+        let
+          pkgs = import nixpkgs { inherit system; };
+        in
+        {
+          gui = {
+            type = "app";
+            program = "${self.packages.${system}.custominstall}/bin/custominstall-gui";
+          };
+        }
+        // (
+          if system == "x86_64-linux" then
+            # this only works on x86_64-linux due to devkitNix only working there
+            {
+              update-finalize = {
+                type = "app";
+                program =
+                  (pkgs.writeShellScript "update-finalize" ''
+                    set -x
+                    finalize=${inputs.finalize.packages.${system}.custom-install-finalize}/custom-install-finalize.3dsx
+                    cp --no-preserve=mode,ownership,timestamps $finalize custominstall/custom-install-finalize.3dsx
+                  '').outPath;
+              };
+            }
+          else
+            { }
+        )
+      );
+    };
+}

gui.py

@@ -1,438 +0,0 @@
-# This file is a part of custom-install.py.
-#
-# custom-install is copyright (c) 2019-2020 Ian Burgwin
-# This file is licensed under The MIT License (MIT).
-# You can find the full license text in LICENSE.md in the root of this project.
-
-# A gui for custom-install.py
-# By LyfeOnEdge
-import os, sys, platform, subprocess, threading
-import tkinter as tk
-import tkinter.filedialog as tkfiledialog
-import style
-
-
-class themedFrame(tk.Frame):
-    def __init__(self, frame, **kw):
-        tk.Frame.__init__(self, frame, **kw)
-        if not (kw.get("background") or kw.get("bg")):
-            self.configure(bg=style.BACKGROUND_COLOR)
-        if not kw.get("borderwidth"):
-            self.configure(borderwidth=0)
-        if not kw.get("highlightthickness"):
-            self.configure(highlightthickness=0)
-
-
-class Button(tk.Label):
-    """Cross-platform button"""
-
-    def __init__(self, frame, callback, **kw):
-        self.callback = callback
-        self.background = "#aaaaaa"
-        self.selected = False
-        tk.Label.__init__(self, frame, **kw)
-        self.configure(anchor="center")
-        self.configure(background=self.background)
-        self.configure(highlightthickness=1)
-        if not "font" in kw.keys():
-            self.configure(font=style.BUTTON_FONT)
-        self.configure(highlightbackground="#999999")
-        self.bind('<Button-1>', self.on_click)
-
-    # Use callback when our makeshift "button" clicked
-    def on_click(self, event=None):
-        self.configure(background="#dddddd")
-        if not self.selected:
-            self.after(100, self.on_click_color_change)
-        if self.callback:
-            self.callback()
-
-    # Function to set the button's image
-    def setimage(self, image):
-        self.configure(image=image)
-
-    # Function to set the button's text
-    def settext(self, text):
-        self.configure(text=text)
-
-    def deselect(self):
-        self.selected = False
-        self.configure(background=self.background)
-
-    def on_click_color_change(self):
-        if not self.selected:
-            self.configure(background=self.background)
-
-
-class PathEntry(tk.Entry):
-    """Tkinter entry widget with a button to set the file path using tkinter's file dialog"""
-
-    def __init__(self, frame, dir=False, filetypes=None, *args, **kw):
-        self.dir = dir
-        self.filetypes = filetypes
-        container = themedFrame(frame)
-        self.button = Button(container, self.set_path, text="...")
-        self.button.place(relheight=1, relx=1, x=- style.BUTTONSIZE, width=style.BUTTONSIZE)
-        tk.Entry.__init__(self, container, *args, **kw)
-        self.text_var = tk.StringVar()
-        self.configure(textvariable=self.text_var)
-        self.configure(background=style.ENTRY_COLOR)
-        self.configure(foreground=style.ENTRY_FOREGROUND)
-        self.configure(borderwidth=0)
-        self.configure(highlightthickness=2)
-        self.configure(highlightbackground=style.BUTTON_COLOR)
-        super().place(relwidth=1, relheight=1, width=- style.BUTTONSIZE)
-        self.container = container
-
-    def clear(self):
-        self.text_var.set("")
-
-    def set(self, string):
-        self.text_var.set(string)
-
-    def get_var(self):
-        return self.text_var
-
-    def get(self):
-        return self.text_var.get()
-
-    def place(self, **kw):
-        self.container.place(**kw)
-
-    def set_path(self):
-        if not self.dir:
-            self.set(tkfiledialog.askopenfilename(filetypes=self.filetypes))
-        else:
-            self.set(tkfiledialog.askdirectory())
-
-
-class LabeledPathEntry(PathEntry):
-    """Gives the PathEntry class a label"""
-
-    def __init__(self, frame, text, *args, **kw):
-        self.xtainer = themedFrame(frame)
-        label = tk.Label(self.xtainer, text=text, background=style.BACKGROUND_COLOR, foreground=style.LABEL_COLOR)
-        label.place(width=label.winfo_reqwidth(), relheight=1)
-        PathEntry.__init__(self, self.xtainer, *args, **kw)
-        PathEntry.place(self, relwidth=1, relheight=1, width=- (label.winfo_reqwidth() + 5),
-                        x=label.winfo_reqwidth() + 5)
-
-    def place(self, **kw):
-        self.xtainer.place(**kw)
-
-
-class AutoScroll(object):
-    def __init__(self, master):
-        try:
-            vsb = tk.Scrollbar(master, orient='vertical', command=self.yview)
-        except:
-            pass
-        hsb = tk.Scrollbar(master, orient='horizontal', command=self.xview)
-
-        try:
-            self.configure(yscrollcommand=self._autoscroll(vsb))
-        except:
-            pass
-        self.configure(xscrollcommand=self._autoscroll(hsb))
-
-        self.grid(column=0, row=0, sticky='nsew')
-        try:
-            vsb.grid(column=1, row=0, sticky='ns')
-        except:
-            pass
-        hsb.grid(column=0, row=1, sticky='ew')
-
-        master.grid_columnconfigure(0, weight=1)
-        master.grid_rowconfigure(0, weight=1)
-
-        methods = tk.Pack.__dict__.keys() | tk.Grid.__dict__.keys() \
-                  | tk.Place.__dict__.keys()
-
-        for m in methods:
-            if m[0] != '_' and m not in ('config', 'configure'):
-                setattr(self, m, getattr(master, m))
-
-    @staticmethod
-    def _autoscroll(sbar):
-        '''Hide and show scrollbar as needed.'''
-
-        def wrapped(first, last):
-            first, last = float(first), float(last)
-            if first <= 0 and last >= 1:
-                sbar.grid_remove()
-            else:
-                sbar.grid()
-            sbar.set(first, last)
-
-        return wrapped
-
-    def __str__(self):
-        return str(self.master)
-
-
-def _create_container(func):
-    '''Creates a tk Frame with a given master, and use this new frame to
-    place the scrollbars and the widget.'''
-
-    def wrapped(cls, master, **kw):
-        container = themedFrame(master)
-        container.bind('<Enter>', lambda e: _bound_to_mousewheel(e, container))
-        container.bind(
-            '<Leave>', lambda e: _unbound_to_mousewheel(e, container))
-        return func(cls, container, **kw)
-
-    return wrapped
-
-
-def _bound_to_mousewheel(event, widget):
-    child = widget.winfo_children()[0]
-    if platform.system() == 'Windows' or platform.system() == 'Darwin':
-        child.bind_all('<MouseWheel>', lambda e: _on_mousewheel(e, child))
-        child.bind_all('<Shift-MouseWheel>',
-                       lambda e: _on_shiftmouse(e, child))
-    else:
-        child.bind_all('<Button-4>', lambda e: _on_mousewheel(e, child))
-        child.bind_all('<Button-5>', lambda e: _on_mousewheel(e, child))
-        child.bind_all('<Shift-Button-4>', lambda e: _on_shiftmouse(e, child))
-        child.bind_all('<Shift-Button-5>', lambda e: _on_shiftmouse(e, child))
-
-
-def _unbound_to_mousewheel(event, widget):
-    if platform.system() == 'Windows' or platform.system() == 'Darwin':
-        widget.unbind_all('<MouseWheel>')
-        widget.unbind_all('<Shift-MouseWheel>')
-    else:
-        widget.unbind_all('<Button-4>')
-        widget.unbind_all('<Button-5>')
-        widget.unbind_all('<Shift-Button-4>')
-        widget.unbind_all('<Shift-Button-5>')
-
-
-def _on_mousewheel(event, widget):
-    if platform.system() == 'Windows':
-        widget.yview_scroll(-1 * int(event.delta / 120), 'units')
-    elif platform.system() == 'Darwin':
-        widget.yview_scroll(-1 * int(event.delta), 'units')
-    else:
-        if event.num == 4:
-            widget.yview_scroll(-1, 'units')
-        elif event.num == 5:
-            widget.yview_scroll(1, 'units')
-
-
-class ScrolledText(AutoScroll, tk.Text):
-    @_create_container
-    def __init__(self, master, **kw):
-        tk.Text.__init__(self, master, **kw)
-        AutoScroll.__init__(self, master)
-
-
-# from https://stackoverflow.com/questions/3221956/how-do-i-display-tooltips-in-tkinter
-
-
-class CreateToolTip(object):
-    '''
-    create a tooltip for a given widget
-    '''
-
-    def __init__(self, widget, text='widget info'):
-        self.widget = widget
-        self.text = text
-        self.widget.bind("<Enter>", self.enter)
-        self.widget.bind("<Leave>", self.close)
-
-    def enter(self, event=None):
-        x = y = 0
-        x, y, cx, cy = self.widget.bbox("insert")
-        x += self.widget.winfo_rootx()
-        y += self.widget.winfo_rooty() + 20
-        # creates a toplevel window
-        self.tw = tk.Toplevel(self.widget)
-        # Leaves only the label and removes the app window
-        self.tw.wm_overrideredirect(True)
-        self.tw.wm_geometry("+%d+%d" % (x, y))
-        label = tk.Label(self.tw, text=self.text, justify='left',
-                         background='gray', foreground=style.LABEL_COLOR,
-                         relief='solid', borderwidth=2,
-                         font=("times", "12", "normal"),
-                         wraplength=self.widget.winfo_width())
-        label.pack(ipadx=1)
-
-    def close(self, event=None):
-        if self.tw:
-            self.tw.destroy()
-
-
-class threader_object:
-    """an object to be declared outside of tk root so
-    things can be called asyncronously (you cannot start
-    a new thread from within a tkinter callback so you
-    must call it from an object that exists outside)"""
-
-    def do_async(self, func, arglist=[]):
-        threading.Thread(target=func, args=arglist).start()
-
-
-class gui(tk.Tk):
-    def __init__(self, threader):
-        self.threader = threader
-        tk.Tk.__init__(self)
-        self.minsize(300, 400)
-        self.title("custom-install gui")
-        self.f = themedFrame(self)
-        self.f.place(relwidth=1, relheight=1)
-
-        outer_frame = themedFrame(self.f)
-        outer_frame.place(relwidth=1, relheight=1, x=+ style.STANDARD_OFFSET, width=- 2 * style.STANDARD_OFFSET,
-                          y=+ style.STANDARD_OFFSET, height=- 2 * style.STANDARD_OFFSET)
-
-        self.sd_box = LabeledPathEntry(outer_frame, "Path to SD root -", dir=True)
-        self.sd_box.place(relwidth=1, height=20, x=0)
-        CreateToolTip(self.sd_box.xtainer, "Select the root of the sd card you wish to install the cias to.")
-
-        self.sed_box = LabeledPathEntry(outer_frame, "Path to movable.sed file -", filetypes=[('sed file', '*.sed')])
-        self.sed_box.place(relwidth=1, height=20, x=0, y=30)
-        CreateToolTip(self.sed_box.xtainer, "Select movable.sed file, this can be dumped from a 3ds")
-
-        self.boot9_box = LabeledPathEntry(outer_frame, "Path to boot9 file -", filetypes=[('boot9 file', '*.bin')])
-        self.boot9_box.place(relwidth=1, height=20, x=0, y=60)
-        CreateToolTip(self.boot9_box.xtainer, "Select the path to boot9.bin, this can be dumped from a 3ds")
-
-        self.seeddb_box = LabeledPathEntry(outer_frame, "Path to seeddb file -", filetypes=[('seeddb file', '*.bin')])
-        self.seeddb_box.place(relwidth=1, height=20, x=0, y=90)
-        CreateToolTip(self.seeddb_box.xtainer, "Select the path to seeddb.bin, this can retrieved from online")
-
-        # -------------------------------------------------
-        cia_container = themedFrame(outer_frame, borderwidth=0, highlightthickness=0)
-        cia_container.place(y=120, relwidth=1, height=190)
-
-        cia_label = tk.Label(cia_container, text="cia paths - ", foreground=style.LABEL_COLOR,
-                             background=style.BACKGROUND_COLOR)
-        cia_label.place(relwidth=1, height=20)
-        self.cia_box = tk.Listbox(cia_container, highlightthickness=0, bg=style.ENTRY_COLOR,
-                                  foreground=style.ENTRY_FOREGROUND)
-        self.cia_box.place(relwidth=1, height=70, y=20)
-        CreateToolTip(cia_label,
-                      "Select the cias you wish to install to the sd card. The `add folder` button will add all cias in the selected folder, but will not check subdirs. The `remove cia` button will remove the currently selected file from the listbox.")
-
-        add_cia_button = Button(cia_container, self.add_cia, text="add cia", font=style.monospace)
-        add_cia_button.place(relx=0, relwidth=0.333, height=20, y=95, width=- 6)
-
-        add_cia_folder_button = Button(cia_container, self.add_cia_folder, text="add folder", font=style.monospace)
-        add_cia_folder_button.place(relx=0.333, relwidth=0.333, height=20, y=95, x=+ 3, width=- 6)
-
-        remove_cia_button = Button(cia_container, self.remove_cia, text="remove cia", font=style.monospace)
-        remove_cia_button.place(relx=0.666, relwidth=0.333, height=20, y=95, x=+ 6, width=- 6)
-        # -------------------------------------------------
-
-        self.skip_contents = tk.IntVar()
-        skip_contents_checkbutton = tk.Checkbutton(outer_frame, text="Skip contents? (only add title info)",
-                                                   variable=self.skip_contents, background=style.BACKGROUND_COLOR,
-                                                   foreground=style.LABEL_COLOR, borderwidth=0, highlightthickness=0)
-        skip_contents_checkbutton.place(relwidth=1, y=239, height=20)
-
-        console_label = tk.Label(outer_frame, text="Console:", background="black", foreground="white",
-                                 font=style.boldmonospace, borderwidth=0, highlightthickness=0)
-        console_label.place(relwidth=1, height=20, y=260)
-        self.console = ScrolledText(outer_frame, background="black", foreground="white", highlightthickness=0)
-        self.console.place(relwidth=1, relheight=1, y=280, height=- 272)
-        run_button = Button(outer_frame, self.run, text="run", font=style.boldmonospace)
-        run_button.place(relwidth=1, rely=1, y=- 22)
-
-    def run(self):
-        args_extra = []
-
-        self.output_to_console("-----------------------\nStarting...\n")
-
-        boot9 = self.boot9_box.get()
-        if not boot9:
-            self.output_to_console(
-                "Warning - boot9 not selected, if it's not set externally you may run into problems.\n")
-        else:
-            args_extra.extend(['-b', boot9])
-
-        sed = self.sed_box.get()
-        if not sed:
-            self.output_to_console("Failed to run - No movable.sed selected.\n")
-            return
-        args_extra.extend(['-m', sed])
-
-        sd = self.sd_box.get().strip()
-        if not sd:
-            self.output_to_console("Failed to run - SD path not selected.\n")
-            return
-        args_extra.extend(['--sd', sd])
-
-        seed = self.seeddb_box.get().strip()
-        if not seed:
-            self.output_to_console("Optional Seeddb not given - Certain CIAs May Require This!\n")
-        args_extra.extend(['--seeddb', seed])
-
-        cias = []
-        for i in range(0, self.cia_box.size()):
-            cias.append(self.cia_box.get(i).strip())
-        for cia in cias:
-            args_extra.append(cia)
-
-        if self.skip_contents.get():
-            args_extra.append('--skip-contents')
-
-        print(f"Running custom-install.py with args {args_extra}\n")
-
-        self.threader.do_async(execute_script, [args_extra, self.output_to_console])
-
-    def output_to_console(self, outstring):
-        self.console.insert('end', outstring)
-        self.console.see('end')
-
-    def add_cia(self):
-        cia_to_add = tkfiledialog.askopenfilename(filetypes=[('cia file', '*.cia')])
-        if cia_to_add:
-            self.cia_box.insert('end', cia_to_add)
-
-    def add_cia_folder(self):
-        cia_dir_to_add = tkfiledialog.askdirectory()
-        if cia_dir_to_add:
-            cias_to_add = [f for f in os.listdir(cia_dir_to_add) if
-                           (os.path.isfile(os.path.join(cia_dir_to_add, f)) and f.endswith(".cia"))]
-            if cias_to_add:
-                for cia_to_add in cias_to_add:
-                    self.cia_box.insert('end', os.path.join(cia_dir_to_add, cia_to_add))
-
-    def remove_cia(self):
-        index = self.cia_box.curselection()
-        if index:
-            self.cia_box.delete(index)
-            if self.cia_box.size():
-                self.cia_box.select_clear(0, 'end')
-                if self.cia_box.size() > 1:
-                    try:
-                        self.cia_box.select_set(index)
-                    except:
-                        pass
-                else:
-                    self.cia_box.select_set(0)
-
-
-def execute_script(args_extra, printer):
-    """Wrapper function to pipe install script output to a printer"""
-    args = [sys.executable, '-u', os.path.join(os.path.dirname(__file__), "custominstall.py")]
-    try:
-        args.extend(args_extra)
-        p = subprocess.Popen(args,
-                             stdout=subprocess.PIPE,
-                             stderr=subprocess.STDOUT,
-                             bufsize=1,
-                             )
-
-        with p.stdout:
-            for line in iter(p.stdout.readline, b''):
-                printer(line)
-        p.wait()
-    except Exception as e:
-        printer(f"Error while executing script with args - {args} | Exception - {e}\n")
-
-
-t = threader_object()
-window = gui(t)
-window.mainloop()

package.nix

@@ -0,0 +1,74 @@
+{
+  lib,
+  pkgs,
+  python,
+  callPackage,
+  buildPythonApplication,
+  fetchPypi,
+  pyctr,
+  pycryptodomex,
+  pypng,
+  tkinter,
+  setuptools,
+  events,
+  stdenv,
+  save3ds,
+
+  withGUI ? true,
+}:
+
+let
+  save3ds_no_fuse = save3ds.override { withFUSE = false; };
+in
+buildPythonApplication rec {
+  pname = "custominstall";
+  version = "2.1";
+  pyproject = true;
+
+  src = builtins.path {
+    path = ./.;
+    name = "custominstall";
+    filter =
+      path: type:
+      !(builtins.elem (baseNameOf path) [
+        "build"
+        "dist"
+        "localtest"
+        "__pycache__"
+        "v"
+        ".git"
+        "_build"
+        "custominstall.egg-info"
+      ]);
+  };
+
+  doCheck = false;
+
+  build-system = [ setuptools ];
+
+  propagatedBuildInputs =
+    [
+      pyctr
+      pycryptodomex
+      setuptools
+      events
+    ]
+    ++ lib.optionals (withGUI) [
+      tkinter
+    ];
+
+  makeWrapperArgs = [ "--set CUSTOM_INSTALL_SAVE3DS_PATH ${save3ds_no_fuse}/bin/save3ds_fuse" ];
+
+  preFixup = ''
+    rm -r $out/lib/${python.libPrefix}/site-packages/custominstall/bin
+    ${lib.optionalString (!withGUI) "rm $out/bin/custominstall-gui"}
+  '';
+
+  meta = with lib; {
+    description = "Installs a title directly to an SD card for the Nintendo 3DS";
+    homepage = "https://github.com/ihaveamac/custom-install";
+    license = licenses.mit;
+    platforms = platforms.unix;
+    mainProgram = "custominstall";
+  };
+}

pyproject.toml

@@ -0,0 +1,48 @@
+[build-system]
+requires = ["setuptools >= 61.0"]
+build-backend = "setuptools.build_meta"
+
+[project]
+name = "custominstall"
+description = "Installs a title directly to an SD card for the Nintendo 3DS"
+authors = [
+    { name = "Ian Burgwin", email = "ian@ianburgwin.net" },
+]
+readme = "README.md"
+license = {text = "MIT"}
+dynamic = ["version"]
+requires-python = ">= 3.8"
+classifiers = [
+    "Topic :: Utilities",
+    "License :: OSI Approved :: MIT License",
+    "Programming Language :: Python :: 3",
+    "Programming Language :: Python :: 3.8",
+    "Programming Language :: Python :: 3.9",
+    "Programming Language :: Python :: 3.10",
+    "Programming Language :: Python :: 3.11",
+    "Programming Language :: Python :: 3.12",
+    "Programming Language :: Python :: 3.13",
+    "Programming Language :: Python :: 3.14",
+]
+dependencies = [
+    "pyctr>=0.7.6,<0.9",
+    "setuptools>=61.0.0",
+    "events>=0.4",
+    "comtypes>=1.4.12; os_name == 'nt'",
+]
+
+[project.gui-scripts]
+custominstall-gui = "custominstall.gui:main"
+
+[project.scripts]
+custominstall = "custominstall.__main__:main"
+
+[tool.setuptools.dynamic]
+version = {attr = "custominstall.__version__"}
+
+[tool.setuptools.packages]
+find = {namespaces = false}
+
+# is it even possible to make these OS-specific with pyproject.toml?
+[tool.setuptools.package-data]
+custominstall = ["bin/darwin/save3ds_fuse", "bin/win32/save3ds_fuse.exe", "TaskbarLib.tlb", "title.db.gz", "custom-install-finalize.3dsx"]

requirements.txt

@@ -1,3 +0,0 @@
-pycryptodomex<=3.9.4
-events==0.3
-pyctr==0.4.1

style.py

@@ -1,18 +0,0 @@
-STANDARD_OFFSET = 10 #Offset to place everything
-BUTTONSIZE = 30
-
-
-monospace = ("Monospace",10)
-boldmonospace = ("Monospace",10,"bold")
-
-BUTTON_FONT = monospace
-
-BACKGROUND_COLOR = "#20232a"
-BUTTON_COLOR = "#aaaaaa"
-ENTRY_COLOR = "#373940"
-ENTRY_FOREGROUND = "black"
-
-LABEL_COLOR = "#61dafb"
-
-
-