name: Check for new upstream releases
on:
  workflow_dispatch:
  schedule:
    - cron:  '0 6 * * *'
jobs:
  updater:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v2
        with:
          token: ${{ secrets.GITHUB_TOKEN }}
      - name: Check if newer version is available upstream
        id: check_version
        run: |
          # Install moreutils
          sudo apt-get install moreutils
          # Fetching information
          current_version=$(cat manifest.json | jq -j '.version|split("~")[0]')
          repo=$(cat manifest.json | jq -j '.upstream.code|split("https://github.com/")[1]')
          version=$(curl --silent "https://api.github.com/repos/$repo/releases" | jq -r '.[] | .tag_name' | sort -V | tail -1)
          assets=$(curl --silent "https://api.github.com/repos/$repo/releases" | jq -r '[ .[] | select(.tag_name=="'$version'").assets[].browser_download_url ] | join(" ") | @sh' | tr -d "'")
          # Setting up the environment variables
          echo ::set-output name=current_version::$current_version
          echo "Current version: $current_version"
          echo ::set-output name=latest_version::$version
          echo "Latest release from upstream: $version"
          echo "VERSION=$version" >> $GITHUB_ENV
          echo "ASSETS=$assets" >> $GITHUB_ENV
          if ! dpkg --compare-versions "$current_version" "lt" "$version" ; then
            echo ::set-output name=to_update::false
            echo "::warning ::No new version available"
          elif git ls-remote -q --exit-code --heads https://github.com/$GITHUB_REPOSITORY.git ci-auto-update-v$version ; then
            echo ::set-output name=to_update::false
            echo "::warning ::A branch already exists for that"
          else
            echo ::set-output name=to_update::true
          fi
      - name: Update package files
        id: update_files
        if: steps.check_version.outputs.to_update == 'true'
        run: |
          # Setting up Git user
          git config --global user.name 'yunohost-bot'
          git config --global user.email 'yunohost-bot@users.noreply.github.com'
          # Run the version updater script
          ./.github/workflows/updater.sh
          # Replace new version in manifest
          jq -s --indent 4 ".[] | .version = \"$VERSION~ynh1\"" manifest.json | sponge manifest.json
          # Commit
          git commit -am "Upgrade to v$VERSION"
      - name: Create Pull Request
        id: cpr
        uses: peter-evans/create-pull-request@v3
        if: steps.check_version.outputs.to_update == 'true'
        with:
          token: ${{ secrets.GITHUB_TOKEN }}
          commit-message: Update to version ${{ env.VERSION }}
          committer: 'yunohost-bot <yunohost-bot@users.noreply.github.com>'
          author: 'yunohost-bot <yunohost-bot@users.noreply.github.com>'
          signoff: false
          branch: ci-auto-update-v${{ env.VERSION }}
          delete-branch: true
          title: 'Upgrade to version ${{ env.VERSION }}'
          body: |
            Upgrade to v${{ env.VERSION }}
          draft: false
      - name: Check outputs
        run: |
          echo "Pull Request Number - ${{ steps.cpr.outputs.pull-request-number }}"
          echo "Pull Request URL - ${{ steps.cpr.outputs.pull-request-url }}"
          echo "Current version - ${{ steps.check_version.outputs.current_version }}"
          echo "New version - ${{ steps.check_version.outputs.latest_version }}"