feat(about): show compiled short Git commit

.github/workflows/release.yml

@@ -279,7 +279,8 @@ jobs:
       - name: Build iOS (unsigned)
         run: |
           # Build Flutter iOS without codesigning
-          flutter build ios --release --no-codesign --config-only
+          flutter build ios --release --no-codesign --config-only \
+            --dart-define="GIT_COMMIT=$(git rev-parse --short=8 HEAD)"
 
           # Use xcodebuild with code signing disabled
           cd ios

CONTRIBUTING.md

@@ -73,12 +73,17 @@ exact Flutter version declared in `.fvmrc` and replace `fvm flutter` with
 4. Run the app:
 
    ```bash
-   fvm flutter run
+   fvm flutter run --dart-define="GIT_COMMIT=$(git rev-parse --short=8 HEAD)"
    ```
 
 For iOS, run `scripts/build_ios.sh` on macOS before opening
 `ios/Runner.xcworkspace`.
 
+The About footer shows the short commit supplied through `GIT_COMMIT` at
+compile time. The Android build script and iOS release workflow supply it
+automatically. Include the same `--dart-define` when running Flutter build
+commands directly; without it, the footer shows only the copyright.
+
 ## Project Boundaries
 
 ```text

lib/constants/app_info.dart

@@ -5,6 +5,10 @@ class AppInfo {
   static const String buildNumber = '143';
   static const String fullVersion = '$version+$buildNumber';
 
+  static const String gitCommit = String.fromEnvironment('GIT_COMMIT');
+  static String get shortGitCommit =>
+      gitCommit.length > 8 ? gitCommit.substring(0, 8) : gitCommit;
+
   static String get displayVersion => kDebugMode ? 'Internal' : version;
 
   static const String appName = 'SpotiFLAC Mobile';

lib/screens/settings/about_page.dart

@@ -223,7 +223,10 @@ class AboutPage extends StatelessWidget {
                 padding: const EdgeInsets.all(24),
                 child: Center(
                   child: Text(
-                    AppInfo.copyright,
+                    AppInfo.shortGitCommit.isEmpty
+                        ? AppInfo.copyright
+                        : '${AppInfo.copyright} · ${AppInfo.shortGitCommit}',
+                    textAlign: TextAlign.center,
                     style: Theme.of(context).textTheme.bodySmall?.copyWith(
                       color: colorScheme.onSurfaceVariant,
                     ),

scripts/build_android.sh

@@ -8,10 +8,12 @@ PROJECT_DIR="$(dirname "$SCRIPT_DIR")"
 OUTPUT_DIR="$PROJECT_DIR/build/app/outputs/flutter-apk"
 
 cd "$PROJECT_DIR"
+BUILD_GIT_COMMIT="$(git rev-parse --short=8 HEAD)"
 flutter build apk \
   --release \
   --split-per-abi \
   --target-platform android-arm,android-arm64 \
+  --dart-define="GIT_COMMIT=$BUILD_GIT_COMMIT" \
   "$@"
 
 for apk in app-armeabi-v7a-release.apk app-arm64-v8a-release.apk; do