prepare-release.yml

name: Prepare Release

on:
  workflow_dispatch:

jobs:
  prepare-release:
    name: Update Metadata and Tag
    runs-on: ubuntu-latest
    steps:
      - name: Generate Bot Token
        id: generate-token
        uses: actions/create-github-app-token@v3.1.1
        with:
          app-id: ${{ secrets.FLADDER_BOT_APP_ID }}
          private-key: ${{ secrets.FLADDER_BOT_APP_PRIVATE_KEY }}

      - name: Checkout repository
        uses: actions/checkout@v4.1.1
        with:
          ref: develop
          fetch-depth: 0
          token: ${{ steps.generate-token.outputs.token }}

      - name: Extract Version
        id: version
        run: |
          # Extract version from pubspec.yaml (e.g., 0.10.3+1)
          FULL_VERSION=$(grep '^version: ' pubspec.yaml | sed 's/version: //')
          # Remove build number (e.g., 0.10.3)
          VERSION_NAME=$(echo "$FULL_VERSION" | cut -d'+' -f1)
          # Exact Build Number (e.g., 1)
          BUILD_NUMBER=$(echo "$FULL_VERSION" | cut -d'+' -f2)

          echo "version=${VERSION_NAME}" >> "$GITHUB_OUTPUT"
          echo "build_number=${BUILD_NUMBER}" >> "$GITHUB_OUTPUT"
          echo "Version: $VERSION_NAME (Build: $BUILD_NUMBER)"

          # Check if this version is already tagged
          if git rev-parse "v${VERSION_NAME}" >/dev/null 2>&1; then
            echo "is_new_version=false" >> "$GITHUB_OUTPUT"
            echo "Status: Version is already tagged."
          else
            echo "is_new_version=true" >> "$GITHUB_OUTPUT"
            echo "Status: New version detected."
          fi

      - name: Update metainfo.xml
        if: steps.version.outputs.is_new_version == 'true'
        env:
          CHANGELOG_MSG: "See the full changelog at: https://github.com/${{ github.repository }}/releases/tag/v${{ steps.version.outputs.version }}"
        run: |
          VERSION="${{ steps.version.outputs.version }}"
          DATE=$(date +%Y-%m-%d)
          NEW_RELEASE="  <releases>\n    <release version=\"${VERSION}\" date=\"${DATE}\">\n      <description>\n        <p>${{ env.CHANGELOG_MSG }}</p>\n      </description>\n    </release>\n  </releases>"
          perl -i -0777 -pe "s@  <releases>.*?</releases>@$NEW_RELEASE@s" flatpak/nl.jknaapen.fladder.metainfo.xml

      - name: Update Fastlane Changelog
        if: steps.version.outputs.is_new_version == 'true'
        env:
          CHANGELOG_MSG: "See the full changelog at: https://github.com/${{ github.repository }}/releases/tag/v${{ steps.version.outputs.version }}"
        run: |
          VERSION="${{ steps.version.outputs.version }}"
          mkdir -p fastlane/metadata/android/en-US/changelogs
          printf '%s' "${{ env.CHANGELOG_MSG }}" > "fastlane/metadata/android/en-US/changelogs/${VERSION}.txt"

      - name: Commit, Merge and Tag
        if: steps.version.outputs.is_new_version == 'true'
        run: |
          git config user.name "Fladder Bot"
          git config user.email "fladder-bot[bot]@users.noreply.github.com"

          VERSION="v${{ steps.version.outputs.version }}"

          # 1. Commit metadata to develop
          git add flatpak/nl.jknaapen.fladder.metainfo.xml
          git add fastlane/metadata/android/en-US/changelogs/

          if git diff --staged --quiet; then
            echo "No changes to metadata"
          else
            git commit -m "chore: prepare release $VERSION"
            git push origin develop
          fi

          # 2. Merge develop into main
          git fetch origin main
          git checkout main
          git merge develop --no-ff -m "chore: merge develop into main for $VERSION"
          git push origin main

          # 3. Create and push the tag on main
          git tag "$VERSION"
          git push origin "$VERSION"