build_and_create_release.yml

name: Build and create release
on: workflow_dispatch

jobs:
  build:
    runs-on: ubuntu-latest
    steps:
      - name: Check out repository
        uses: actions/checkout@v4

      - name: Set up JDK 17
        uses: actions/setup-java@v4
        with:
          java-version: 17
          distribution: "temurin"
          cache: 'gradle'

      - name: Extract version, version code, changelog and some paths
        run: |
          echo "VERSION=$(sed -nE 's~versionName ?= ?\"(.*)\"~\1~p' app/build.gradle.kts | tr -d ' ' )" >> "$GITHUB_ENV"
          echo "VERSION_CODE=$(sed -nE 's~versionCode ?= ?(.*)~\1~p' app/build.gradle.kts | tr -d ' ' )" >> "$GITHUB_ENV"

      - name: Prepare changelog
        env:
          VERSION_CODE: ${{ env.VERSION_CODE }}
        run: |
          CHANGELOG_FILE="fastlane/metadata/android/en-US/changelogs/$VERSION_CODE.txt"
          if [ -f "$CHANGELOG_FILE" ]; then
            cp "$CHANGELOG_FILE" "__changelog_file__";
            sed -Ei 's/^([a-zA-Z0-9 ]+):$/### \1/g' "__changelog_file__";
            sed -i 's/•/-/g' "__changelog_file__";
          else
            echo "Did not find changelog file";
            touch "__changelog_file__";
          fi;

      - name: Extract apksigner paths
        run: |
          BUILD_TOOLS_PATH="$("$ANDROID_HOME/cmdline-tools/latest/bin/sdkmanager" --list_installed | grep build-tools/ | tail -n 1 | sed -nE 's~^.*(build-tools/[^ \t]+).*$~\1~p')"
          echo "APKSIGNER=$ANDROID_HOME/$BUILD_TOOLS_PATH/apksigner" >> $GITHUB_ENV

      - name: Print some information
        env:
          VERSION: ${{ env.VERSION }}
          VERSION_CODE: ${{ env.VERSION_CODE }}
          APKSIGNER: ${{ env.APKSIGNER }}
        run: |
          echo "Version: $VERSION" >> "$GITHUB_STEP_SUMMARY"
          echo "Version code: $VERSION_CODE" >> "$GITHUB_STEP_SUMMARY"
          echo "Build directory: $BUILD_DIR" >> "$GITHUB_STEP_SUMMARY"
          echo "Android home: $ANDROID_HOME" >> "$GITHUB_STEP_SUMMARY"
          echo "Chosen apksigner: $APKSIGNER" >> "$GITHUB_STEP_SUMMARY"
          echo "Available Android build-tools:" "$(ls "$ANDROID_HOME/build-tools/" | xargs)" >> "$GITHUB_STEP_SUMMARY"
          echo >> "$GITHUB_STEP_SUMMARY"
          echo "Changelog:" >> "$GITHUB_STEP_SUMMARY"
          cat "__changelog_file__" >> "$GITHUB_STEP_SUMMARY"

      - name: Build release APK
        run: ./gradlew assembleRelease

      - name: Move APK to folder for upload
        env:
          VERSION: ${{ env.VERSION }}
        run: |
          mkdir apks
          mv "app/build/outputs/apk/release/app-release-unsigned.apk" "./apks/Dicio_${VERSION}.apk"

      - name: Sign APKs
        env:
          KEYSTORE_BASE64: ${{ secrets.SIGNING_KEYSTORE_BASE64 }}
          KEY_ALIAS: ${{ secrets.SIGNING_KEY_ALIAS }}
          KEYSTORE_PASSWORD: ${{ secrets.SIGNING_KEYSTORE_PASSWORD }}
          VERSION: ${{ env.VERSION }}
          APKSIGNER: ${{ env.APKSIGNER }}
        run: |
          openssl base64 -A -d -out keystore.jks <<< "$KEYSTORE_BASE64"
          "$APKSIGNER" sign --ks ./keystore.jks --ks-key-alias "$KEY_ALIAS" --ks-pass "pass:$KEYSTORE_PASSWORD" "./apks/Dicio_${VERSION}.apk"

      - name: Upload artifacts
        uses: actions/upload-artifact@v3
        with:
          name: apks
          path: apks

      - name: Make sure not to overwrite the APKs of a release that was already released
        id: get_release
        uses: joutvhu/get-release@v1
        with:
          tag_name: v${{ env.VERSION }}
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

      - name: Create draft release
        id: create_release
        # if the release exists and is a draft, or the release does not exists,
        # proceed with uploading/overwriting artifacts
        if: ${{ (steps.get_release.outputs.draft == 'true') || (steps.get_release.outputs.draft == '') }}
        uses: softprops/action-gh-release@v1
        with:
          tag_name: v${{ env.VERSION }}
          name: ${{ env.VERSION }}
          body_path: __changelog_file__
          draft: true
          files: |
            apks/Dicio_${{ env.VERSION }}.apk