Create release workflow

.github/workflows/release.yml

@@ -0,0 +1,164 @@
+name: Bump to new version
+on:
+  push:
+    branches:
+      - '**'
+    paths:
+      - 'app/build.gradle.kts'
+  workflow_dispatch:
+
+jobs:
+  check-version:
+    if: "!contains(github.ref, 'refs/tags')"
+    runs-on: ubuntu-latest
+    outputs:
+      version_changed: ${{ steps.check_version.outputs.version_changed }}
+      new_version: ${{ steps.check_version.outputs.new_version }}
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+      - name: Check if version changed
+        id: check_version
+        run: |
+          if [ ! -f app/build.gradle.kts ]; then
+            echo "File app/build.gradle.kts does not exist"
+            echo "version_changed=false" >> $GITHUB_OUTPUT
+            exit 0
+          fi
+
+          NEW_VERSION=$(grep -oP 'versionName\s*=\s*"\K[^"]+' app/build.gradle.kts || echo "")
+          if [ -z "$NEW_VERSION" ]; then
+            echo "Could not find versionName in app/build.gradle.kts"
+            echo "version_changed=false" >> $GITHUB_OUTPUT
+            exit 0
+          fi
+
+          OLD_VERSION=$(git diff HEAD^ HEAD -- app/build.gradle.kts | grep -oP 'versionName\s*=\s*"\K[^"]+' || echo "")
+
+          if [ -z "$OLD_VERSION" ]; then
+            echo "Could not find previous version, assuming version changed"
+            echo "version_changed=true" >> $GITHUB_OUTPUT
+            echo "new_version=$NEW_VERSION" >> $GITHUB_OUTPUT
+          elif [ "$OLD_VERSION" != "$NEW_VERSION" ]; then
+            echo "Version changed from $OLD_VERSION to $NEW_VERSION"
+            echo "version_changed=true" >> $GITHUB_OUTPUT
+            echo "new_version=$NEW_VERSION" >> $GITHUB_OUTPUT
+          else
+            echo "Version did not change"
+            echo "version_changed=false" >> $GITHUB_OUTPUT
+          fi
+      - name: Debug output
+        run: |
+          echo "version_changed: ${{ steps.check_version.outputs.version_changed }}"
+          echo "new_version: ${{ steps.check_version.outputs.new_version }}"
+
+  build:
+    needs: check-version
+    if: needs.check-version.outputs.version_changed == 'true' || github.event_name == 'workflow_dispatch'
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v4
+    - name: set up JDK 17
+      uses: actions/setup-java@v4
+      with:
+        java-version: '17'
+        distribution: 'zulu'
+        cache: gradle
+
+    - name: Grant execute permission for gradlew
+      run: chmod +x gradlew
+
+    - name: Build with Gradle
+      run: ./gradlew assembleRelease
+
+    - name: List APK files
+      run: ls -R app/build/outputs/apk/foss/release/
+
+    - name: Upload APK
+      uses: actions/upload-artifact@v4
+      with:
+        name: app
+        path: app/build/outputs/apk/foss/release/*.apk
+
+  sign:
+    needs: build
+    if: always()
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v4
+    - name: set up JDK 17
+      uses: actions/setup-java@v4
+      with:
+        java-version: '17'
+        distribution: 'zulu'
+        cache: gradle
+
+    - name: Download APK from build job
+      uses: actions/download-artifact@v4
+      with:
+        name: app
+        path: app/build/outputs/apk/foss/release/
+
+    - name: List downloaded APK files
+      run: ls -R app/build/outputs/apk/foss/release/
+
+    - name: Decode keystore secret
+      run: echo "${{ secrets.KEYSTORE }}" | base64 --decode > my-release-key.jks
+
+    - name: Install Android SDK Build Tools
+      run: |
+        sudo apt-get update
+        sudo apt-get install -y wget unzip
+        wget "https://dl.google.com/android/repository/commandlinetools-linux-8092744_latest.zip" -O android-sdk.zip
+        unzip android-sdk.zip -d $HOME/android-sdk
+        mkdir -p $HOME/android-sdk/cmdline-tools/latest
+        mv $HOME/android-sdk/cmdline-tools/* $HOME/android-sdk/cmdline-tools/latest/ --backup=numbered || true
+        export ANDROID_HOME=$HOME/android-sdk
+        export PATH=$ANDROID_HOME/cmdline-tools/latest/bin:$PATH
+        yes | sdkmanager --licenses
+        sdkmanager "build-tools;34.0.0"
+    - name: Sign APK with apksigner
+      run: |
+        $ANDROID_HOME/build-tools/34.0.0/apksigner sign \
+          --ks my-release-key.jks \
+          --ks-key-alias ${{ secrets.KEY_ALIAS }} \
+          --ks-pass pass:${{ secrets.KEYSTORE_PASSWORD }} \
+          --key-pass pass:${{ secrets.KEY_PASSWORD }} \
+          --out app/build/outputs/apk/foss/release/app-foss-release.apk \
+          --v4-signing-enabled true \
+          app/build/outputs/apk/foss/release/app-foss-release-unsigned.apk          
+      
+    - name: Verify Signed APK
+      run: |
+        $ANDROID_HOME/build-tools/34.0.0/apksigner verify --verbose app/build/outputs/apk/foss/release/app-foss-release.apk
+
+    - name: Rename APK to Metrolist.apk
+      run: mv app/build/outputs/apk/foss/release/app-foss-release.apk app/build/outputs/apk/foss/release/Metrolist.apk 
+
+    - name: Upload Signed APK
+      uses: actions/upload-artifact@v4
+      with:
+        name: Metrolist
+        path: app/build/outputs/apk/foss/release/Metrolist.apk
+
+  create-release:
+    needs: [check-version, sign]
+    if: needs.check-version.outputs.version_changed == 'true' || github.event_name == 'workflow_dispatch'
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: Download Signed APK
+        uses: actions/download-artifact@v4
+        with:
+          name: Metrolist
+          path: ./
+
+      - name: Create Release
+        env:
+          GITHUB_TOKEN: ${{ secrets.RELEASE_TOKEN }}
+        run: |
+          gh release create v${{ needs.check-version.outputs.new_version }} \
+            --title "${{ needs.check-version.outputs.new_version }}" \
+            --notes "Release of version ${{ needs.check-version.outputs.new_version }}" \
+            Metrolist.apk