release-ready.yml

name: Create release

on:
  pull_request:
    types: [closed]

jobs:
  create_release:
    if: ${{ github.event.pull_request.merged == true && startsWith(github.head_ref, 'release-v') }}
    runs-on: ubuntu-latest

    steps:
      - name: Checkout repository
        uses: actions/checkout@v4
        with:
          ref: "master"

      - name: Extract version from branch name
        id: get_version
        run: |
          BRANCH="${GITHUB_HEAD_REF:-${GITHUB_REF#refs/heads/}}"
          if [[ "$BRANCH" =~ release-v([0-9]+\.[0-9]+) ]]; then
            VERSION="${BASH_REMATCH[1]}"
            echo "VERSION=$VERSION" >> $GITHUB_OUTPUT
            echo "DISPLAY_VERSION=v$VERSION" >> $GITHUB_OUTPUT
          else
            echo "Branch name does not match expected format (release-vX.XX)!" && exit 1
          fi

      - name: Package repository as tar.gz
        run: |
          VER="${{ steps.get_version.outputs.VERSION }}"
          git archive --format=tar.gz -o cloc-$VER.tar.gz HEAD

      - name: Get artifact url
        id: get_artifact_url
        env:
          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        run: |
          ARTIFACT_COMMENT=$(gh pr view ${{ github.event.pull_request.number }} --json comments -q '
            .comments 
            | sort_by(.createdAt) 
            | reverse 
            | map(select(.body | contains("**Built executable artifact:**"))) 
            | .[0].body
          ')
          if [ -z "$ARTIFACT_COMMENT" ]; then
            echo "No matching comment found."
            exit 1
          fi
          MATCHING_URLS=$(echo "$ARTIFACT_COMMENT" | grep -oP 'https:\/\/[^\s\)]+')
          if [ -z "$MATCHING_URLS" ]; then
            echo "No URL found in the comment."
            exit 1
          fi
          ARTIFACT_URL=$(echo "$MATCHING_URLS" | head -n 1)
          RUN_ID=$(echo "$ARTIFACT_URL" | grep -oP '/actions/runs/\K[0-9]+')
          echo "RUN_ID=$RUN_ID" >> $GITHUB_OUTPUT
          echo "Artifact URL: $ARTIFACT_URL"
      
      - name: Download artifact
        uses: actions/download-artifact@v4
        with:
          name: cloc-${{ steps.get_version.outputs.VERSION }}-executable
          github-token: ${{ secrets.GITHUB_TOKEN }}
          run-id: ${{ steps.get_artifact_url.outputs.RUN_ID }}

      - name: Prepare renamed release assets
        run: |
          VER="${{ steps.get_version.outputs.VERSION }}"
          cp cloc cloc-$VER.pl
          cp Unix/NEWS release_notes-$VER.txt

      - name: Create GitHub release with assets
        uses: softprops/action-gh-release@v2
        with:
          tag_name: "${{ steps.get_version.outputs.DISPLAY_VERSION }}"
          name: "${{ steps.get_version.outputs.DISPLAY_VERSION }}"
          body: "${{ github.event.pull_request.body }}"
          token: ${{ secrets.GITHUB_TOKEN }}
          files: |
            cloc-${{ steps.get_version.outputs.VERSION }}.tar.gz
            README.md
            cloc-${{ steps.get_version.outputs.VERSION }}.pl
            cloc-${{ steps.get_version.outputs.VERSION }}.exe
            release_notes-${{ steps.get_version.outputs.VERSION }}.txt