[FEAT] Add support for Pacman (Arch Linux)

examples/hello_world/distribute_options.yaml

@@ -1,6 +1,6 @@
 output: dist/
 variables:
-  FLUTTER_ROOT: ~/fvm/versions/3.16.5
+#  FLUTTER_ROOT: ~/fvm/versions/3.16.5
   # PGYER_API_KEY: your api key
 releases:
   - name: dev-profile
@@ -38,6 +38,12 @@ releases:
           target: deb
           build_args:
             profile: true
+      - name: linux-pacman
+        package:
+          platform: linux
+          target: pacman
+          build_args:
+            profile: true
       - name: linux-zip
         package:
           platform: linux

examples/hello_world/linux/packaging/pacman/make_config.yaml

@@ -0,0 +1,100 @@
+# the name used to display in the OS. Specifically desktop
+# entry name
+display_name: Hello World
+
+# package name for debian/apt repository
+# the name should be all lowercase with -+.
+package_name: hello-world
+
+maintainer:
+  name: LiJianying
+  email: [email protected]
+
+# the size of binary in kilobyte
+installed_size: 6604
+
+# direct dependencies required by the application
+# refer: https://www.debian.org/doc/debian-policy/ch-relationships.html
+# dependencies:
+#   - libkeybinder-3.0-0 (>= 0.3.2)
+
+# refer: https://www.debian.org/doc/debian-policy/ch-relationships.html
+# build_dependencies_indep:
+#   - texinfo
+
+# refer: https://www.debian.org/doc/debian-policy/ch-relationships.html
+# build_dependencies:
+#   - kernel-headers-2.2.10 [!hurd-i386]
+#   - gnumach-dev [hurd-i386]
+#   - libluajit5.1-dev [i386 amd64 kfreebsd-i386 armel armhf powerpc mips]
+
+# refer: https://www.debian.org/doc/debian-policy/ch-relationships.html
+# recommended_dependencies:
+#   - neofetch
+
+# refer: https://www.debian.org/doc/debian-policy/ch-relationships.html
+# suggested_dependencies:
+#   - libkeybinder-3.0-0 (>= 0.3.2)
+
+# refer: https://www.debian.org/doc/debian-policy/ch-relationships.html
+# enhances:
+#   - spotube
+
+# refer: https://www.debian.org/doc/debian-policy/ch-relationships.html
+# pre_dependencies:
+#   - libc6
+
+# refer: https://www.debian.org/doc/debian-policy/ch-relationships.html#packages-which-break-other-packages-breaks
+# breaks:
+#   - libspotify (<< 3.0.0)
+
+# refer: https://www.debian.org/doc/debian-policy/ch-relationships.html#conflicting-binary-packages-conflicts
+# conflicts:
+#   - spotify
+
+# refer: https://www.debian.org/doc/debian-policy/ch-relationships.html#virtual-packages-provides
+# provides:
+#   - libx11
+
+# refer: https://www.debian.org/doc/debian-policy/ch-relationships.html#overwriting-files-and-replacing-packages-replaces
+# replaces:
+#   - spotify
+
+postinstall_scripts:
+  - echo `Installed my awesome app`
+postuninstall_scripts:
+  - echo `Surprised Pickachu face`
+
+# application icon path relative to project url
+icon: assets/logo.png
+
+keywords:
+  - Hello
+  - World
+  - Test
+  - Application
+
+# a name to categorize the app into a section of application
+generic_name: Music Application
+
+# supported mime types that can be opened using this application
+# supported_mime_type:
+#   - audio/mpeg
+
+metainfo: linux/packaging/helloworld.appdata.xml
+
+# shown when right clicked the desktop entry icons
+# actions:
+#   - Gallery
+#   - Create
+
+# the categories the application belong to
+# refer: https://specifications.freedesktop.org/menu-spec/latest/
+categories:
+  - Music
+  - Media
+
+# let OS know if the application can be run on start_up. If it's false
+# the application will deny to the OS if it was added as a start_up
+# application
+startup_notify: true

packages/flutter_app_builder/pubspec.yaml

@@ -13,7 +13,8 @@ dependencies:
   pub_semver: ^2.1.0
   pubspec_parse: ^1.1.0
   recase: ^4.1.0
-  shell_executor: ^0.1.5
+  shell_executor:
+    path: ../shell_executor
 
 dev_dependencies:
   dependency_validator: ^3.0.0

packages/flutter_app_packager/lib/src/flutter_app_packager.dart

@@ -2,6 +2,7 @@ import 'dart:io';
 
 import 'package:flutter_app_packager/src/api/app_package_maker.dart';
 import 'package:flutter_app_packager/src/makers/makers.dart';
+import 'package:flutter_app_packager/src/makers/pacman/app_package_maker_pacman.dart';
 
 class FlutterAppPackager {
   final List<AppPackageMaker> _makers = [
@@ -18,6 +19,7 @@ class FlutterAppPackager {
     AppPackageMakerMsix(),
     AppPackageMakerPkg(),
     AppPackageMakerRPM(),
+    AppPackageMakerPacman(),
     AppPackageMakerZip('linux'),
     AppPackageMakerZip('macos'),
     AppPackageMakerZip('windows'),

packages/flutter_app_packager/lib/src/makers/pacman/app_package_maker_pacman.dart

@@ -0,0 +1,197 @@
+import 'dart:io';
+
+import 'package:flutter_app_packager/src/api/app_package_maker.dart';
+import 'package:flutter_app_packager/src/makers/pacman/make_pacman_config.dart';
+import 'package:path/path.dart' as path;
+import 'package:shell_executor/shell_executor.dart';
+
+class AppPackageMakerPacman extends AppPackageMaker {
+  @override
+  String get name => 'pacman';
+  @override
+  String get platform => 'linux';
+  @override
+  bool get isSupportedOnCurrentPlatform => Platform.isLinux;
+  @override
+  String get packageFormat => 'pacman';
+
+  @override
+  MakeConfigLoader get configLoader {
+    return MakePacmanConfigLoader()
+      ..platform = platform
+      ..packageFormat = packageFormat;
+  }
+
+  @override
+  Future<MakeResult> make(MakeConfig config) {
+    return _make(
+      config.buildOutputDirectory,
+      outputDirectory: config.outputDirectory,
+      makeConfig: config as MakePacmanConfig,
+    );
+  }
+
+  Future<MakeResult> _make(
+    Directory appDirectory, {
+    required Directory outputDirectory,
+    required MakePacmanConfig makeConfig,
+  }) async {
+    final files = makeConfig.toFilesString();
+
+    Directory packagingDirectory = makeConfig.packagingDirectory;
+
+    /// Need to create following directories
+    /// /usr/share/$appBinaryName
+    /// /usr/share/applications
+    /// /usr/share/icons/hicolor/128x128/apps
+    /// /usr/share/icons/hicolor/256x256/apps
+
+    final applicationsDir =
+        path.join(packagingDirectory.path, 'usr/share/applications');
+    final icon128Dir = path.join(
+      packagingDirectory.path,
+      'usr/share/icons/hicolor/128x128/apps',
+    );
+    final icon256Dir = path.join(
+      packagingDirectory.path,
+      'usr/share/icons/hicolor/256x256/apps',
+    );
+    final metainfoDir =
+        path.join(packagingDirectory.path, 'usr/share/metainfo');
+    final mkdirProcessResult = await $('mkdir', [
+      '-p',
+      path.join(packagingDirectory.path, 'usr/share', makeConfig.appBinaryName),
+      applicationsDir,
+      if (makeConfig.metainfo != null) metainfoDir,
+      if (makeConfig.icon != null) ...[icon128Dir, icon256Dir],
+    ]);
+
+    if (mkdirProcessResult.exitCode != 0) throw MakeError();
+
+    if (makeConfig.icon != null) {
+      final iconFile = File(makeConfig.icon!);
+      if (!iconFile.existsSync()) {
+        throw MakeError("provided icon ${makeConfig.icon} path wasn't found");
+      }
+
+      await iconFile.copy(
+        path.join(
+          icon128Dir,
+          makeConfig.appBinaryName + path.extension(makeConfig.icon!),
+        ),
+      );
+      await iconFile.copy(
+        path.join(
+          icon256Dir,
+          makeConfig.appBinaryName + path.extension(makeConfig.icon!),
+        ),
+      );
+    }
+    if (makeConfig.metainfo != null) {
+      final metainfoPath =
+          path.join(Directory.current.path, makeConfig.metainfo!);
+      final metainfoFile = File(metainfoPath);
+      if (!metainfoFile.existsSync()) {
+        throw MakeError("Metainfo $metainfoPath path wasn't found");
+      }
+      await metainfoFile.copy(
+        path.join(
+          metainfoDir,
+          makeConfig.appBinaryName + path.extension(makeConfig.metainfo!, 2),
+        ),
+      );
+    }
+
+    // create & write the files got from makeConfig
+    final installFile = File(path.join(packagingDirectory.path, '.INSTALL'));
+    final pkgInfoFile = File(path.join(packagingDirectory.path, '.PKGINFO'));
+    final desktopEntryFile =
+        File(path.join(applicationsDir, '${makeConfig.appBinaryName}.desktop'));
+
+    if (!installFile.existsSync()) installFile.createSync();
+    if (!pkgInfoFile.existsSync()) pkgInfoFile.createSync();
+    if (!desktopEntryFile.existsSync()) desktopEntryFile.createSync();
+
+    await installFile.writeAsString(files['INSTALL']!);
+    await pkgInfoFile.writeAsString(files['PKGINFO']!);
+    await desktopEntryFile.writeAsString(files['DESKTOP']!);
+
+    // copy the application binary to /usr/share/$appBinaryName
+    await $('cp', [
+      '-fr',
+      '${appDirectory.path}/.',
+      '${packagingDirectory.path}/usr/share/${makeConfig.appBinaryName}/',
+    ]);
+
+    // MTREE Metadata using bsdtar and fakeroot
+    ProcessResult mtreeResult = await $(
+      'bsdtar',
+      [
+        '-czf',
+        '.MTREE',
+        '--format=mtree',
+        '--options=!all,use-set,type,uid,gid,mode,time,size,md5,sha256,link',
+        '.PKGINFO',
+        '.INSTALL',
+        'usr',
+      ],
+      environment: {
+        'LANG': 'C',
+      },
+      workingDirectory: packagingDirectory.path,
+    );
+    if (mtreeResult.exitCode != 0) {
+      throw MakeError(mtreeResult.stderr);
+    }
+
+    // create the pacman package using fakeroot and bsdtar
+    // fakeroot -- env LANG=C bsdtar -cf - .MTREE .PKGINFO * | xz -c -z - > $pkgname-$pkgver-$pkgrel-$arch.tar.xz
+
+    ProcessResult archiveResult = await $(
+      'bsdtar',
+      [
+        '-cf',
+        'temptar',
+        '.MTREE',
+        '.INSTALL',
+        '.PKGINFO',
+        'usr',
+      ],
+      environment: {
+        'LANG': 'C',
+      },
+      workingDirectory: packagingDirectory.path,
+    );
+    if (archiveResult.exitCode != 0) {
+      throw MakeError(archiveResult.stderr);
+    }
+
+    ProcessResult processResult = await $(
+      'xz',
+      [
+        '-z',
+        'temptar',
+      ],
+      workingDirectory: packagingDirectory.path,
+    );
+
+    if (processResult.exitCode != 0) {
+      throw MakeError(processResult.stderr);
+    }
+
+    // copy file from temptar.xz to the makeConfig.outputFile.path
+    final copyResult = await $(
+      'mv',
+      [
+        '${packagingDirectory.path}/temptar.xz',
+        makeConfig.outputFile.path,
+      ],
+    );
+    if (copyResult.exitCode != 0) {
+      throw MakeError(copyResult.stderr);
+    }
+
+    packagingDirectory.deleteSync(recursive: true);
+    return MakeResult(makeConfig);
+  }
+}