feat: add linux build support

cli/commands/build/linux.dart

@@ -0,0 +1,103 @@
+import 'dart:async';
+import 'dart:io';
+
+import 'package:args/command_runner.dart';
+import 'package:intl/intl.dart';
+import 'package:path/path.dart';
+
+import '../../core/env.dart';
+import 'common.dart';
+
+class LinuxBuildCommand extends Command with BuildCommandCommonSteps {
+  @override
+  String get description => "Linux build command";
+
+  @override
+  String get name => "linux";
+
+  @override
+  FutureOr? run() async {
+    stdout.writeln("Replacing versions");
+
+    final appDataFile = File(
+      join(cwd.path, "linux", "com.github.KRTirtho.Spotube.appdata.xml"),
+    );
+
+    appDataFile.writeAsStringSync(
+      appDataFile.readAsStringSync().replaceAll(
+            versionVarRegExp,
+            '<release'
+            ' version="$versionWithoutBuildNumber"'
+            ' date="${DateFormat("yyyy-MM-dd").format(DateTime.now())}"'
+            '/>',
+          ),
+    );
+
+    await bootstrap();
+
+    await shell.run(
+      """
+      alias dpkg-deb="dpkg-deb --Zxz"
+      flutter_distributor package --platform=linux --targets=deb
+      flutter_distributor package --platform=linux --targets=rpm
+      """,
+    );
+
+    final tempDir = Directory(join(Directory.systemTemp.path, "spotube-tar"))
+      ..createSync(recursive: true);
+
+    final bundleDirPath =
+        join(cwd.path, "build", "linux", "x64", "release", "bundle", "*");
+
+    final tarPath = join(
+      cwd.path,
+      "build",
+      "spotube-linux-"
+          "${CliEnv.channel == BuildChannel.nightly ? "nightly" : versionWithoutBuildNumber}"
+          "-x86_64.tar.xz",
+    );
+    await shell.run(
+      """
+      cp -r $bundleDirPath ${tempDir.path}
+      cp ${join(cwd.path, "linux", "spotube.desktop")} ${tempDir.path}
+      cp ${join(cwd.path, "linux", "com.github.KRTirtho.Spotube.appdata.xml")} ${tempDir.path}
+      cp ${join(cwd.path, "assets", "spotube-logo.png")} ${tempDir.path}
+      tar -cJf $tarPath -C ${tempDir.path} .
+      """,
+    );
+
+    await tempDir.delete();
+
+    await File(tarPath).copy(join(cwd.path, "dist"));
+
+    final ogDeb = File(
+      join(
+        cwd.path,
+        "dist",
+        pubspec.version.toString(),
+        "spotube-${pubspec.version}-linux.deb",
+      ),
+    );
+
+    final ogRpm = File(
+      join(
+        cwd.path,
+        "dist",
+        pubspec.version.toString(),
+        "spotube-${pubspec.version}-linux.rpm",
+      ),
+    );
+
+    await ogDeb.copy(
+      join(cwd.path, "dist", "Spotube-linux-x86_64.deb"),
+    );
+    await ogRpm.copy(
+      join(cwd.path, "dist", "Spotube-linux-x86_64.rpm"),
+    );
+
+    await ogDeb.delete();
+    await ogRpm.delete();
+
+    stdout.writeln("✅ Linux building done");
+  }
+}