[资源] 网络画板播放器 nixpkgs

wuyudi

将下面的代码保存为 flake.nix

在目录下

1. NIXPKGS_ALLOW_UNFREE=1 nix build --impure .#

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后,

1. ./result/bin/netpad-player

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就行.

1. {
   
2.   description = "Netpad Player - A Nix flake for the Netpad Player application.";
   
3. 
   
4.   inputs = {
   
5.     nixpkgs.url = "github:NixOS/nixpkgs/release-24.11"; # It's generally recommended to use a stable channel, but for accessing 'electron', unstable might be needed.  Adjust as necessary.
   
6.     flake-utils.url = "github:numtide/flake-utils";
   
7.   };
   
8. 
   
9.   outputs = { self, nixpkgs, flake-utils }:
   
10.     flake-utils.lib.eachDefaultSystem (system:
    
11.       let
    
12.         pkgs = nixpkgs.legacyPackages.${system};
    
13.         pkgname = "netpad-player";
    
14.         pkgver = "1.6.4";
    
15.         src = pkgs.fetchurl {
    
16.           url = "https://www.netpad.net.cn/download/NetpadPlayer-${pkgver}.exe";
    
17.           sha256 = "7b53d020786843c71e13b260fb7d5d60c483b6eed0271fb9b1a5a1aeda1f2092";
    
18.         };
    
19. 
    
20.         #The prepare step. Extracts the asar archive and removes unnecessary files.
    
21.         extractedApp = pkgs.stdenv.mkDerivation {
    
22.           name = "${pkgname}-extracted";
    
23.           version = pkgver;
    
24.           src = src;
    
25.           nativeBuildInputs = [ pkgs.asar pkgs.p7zip ];
    
26.           unpackPhase = ''
    
27.              mkdir -vp extracted
    
28.              7z x $src -oextracted # Use 7z to extract from the exe.
    
29.              7z x extracted/\$PLUGINSDIR/app-32.7z
    
30.              asar extract resources/app.asar ./app
    
31.           '';
    
32. 
    
33.            installPhase = ''
    
34.             mkdir -p $out
    
35.             cp -r ./app $out/
    
36.            # find $srcdir -name app.asar -exec asar e {} ./app \;   -> Above asar extract command.
    
37.             find $out -type f -path "*/darwin/*" -delete
    
38.             find $out -name "*.rar" -delete
    
39.             find $out -path "*/bin/*.js" -delete
    
40.             find $out -name "*.js.map" -delete
    
41.           '';
    
42.         };
    
43. 
    
44.         # The desktop file content, embedded directly.  This is cleaner than a separate file.
    
45.         desktopFileContent = ''
    
46.           [Desktop Entry]
    
47.           Version=1.0
    
48.           Type=Application
    
49.           Name=netpad-player
    
50.           Name[zh_CN]=网络画板离线播放器
    
51.           Comment=网络画板，用核心技术赋能智慧数学教育
    
52.           Exec=netpad-player
    
53.           Icon=netpad-player
    
54.           Terminal=false
    
55.           StartupNotify=false
    
56.           Categories=Application;
    
57.         '';
    
58. 
    
59. 
    
60.       in
    
61.       {
    
62.         packages = {
    
63.           default = pkgs.stdenv.mkDerivation {
    
64.             name = pkgname;
    
65.             version = pkgver;
    
66. 
    
67.             src = extractedApp;  # Use the extracted app as the source.
    
68. 
    
69. 
    
70.             nativeBuildInputs = [ pkgs.makeWrapper ]; # For creating the wrapper script.
    
71.             buildInputs = [ pkgs.electron ]; # Provide electron for runtime.
    
72. 
    
73.               installPhase = ''
    
74.               mkdir -p $out/opt/${pkgname}
    
75.               cp -r $src/* $out/opt/${pkgname}/
    
76. 
    
77.               # Create a wrapper script to launch the application using electron.
    
78.               makeWrapper ${pkgs.electron}/bin/electron $out/bin/${pkgname} \
    
79.                 --add-flags "$out/opt/${pkgname}/app"
    
80. 
    
81.                 # Create the desktop file.
    
82.               mkdir -p $out/share/applications
    
83.               echo "${desktopFileContent}" > $out/share/applications/${pkgname}.desktop
    
84. 
    
85.               find $out -name "icon.png" -print -exec install -Dm644 {} $out/share/pixmaps/${pkgname}.png \;
    
86. 
    
87.             '';
    
88. 
    
89. 
    
90.              meta = with pkgs.lib; {
    
91.               description = "网络画板，用核心技术赋能智慧数学教育";
    
92.               homepage = "https://www.netpad.net.cn/";
    
93.               license = licenses.unfree; #  'custom' is not a valid SPDX identifier, so use 'unfree'.
    
94.               platforms = platforms.all; #  'any' arch, so it should work on all platforms that support Electron.
    
95.               maintainers = [ "Asuka Minato <i at asukaminato dot eu dot org>" ]; # Maintainer info.
    
96.             };
    
97. 
    
98.           };
    
99.           # netpad-player = self.packages.${system}.default;
    
100. 
     
101.         };
     
102.       });
     
103. }

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wuyudi

已测试在 nixOS 上能成功运行.