release.yaml

name: Create Release

on:
  workflow_dispatch:
    inputs:
      confirm_release:
        description: 'Type "release" to confirm you want to create a release'
        required: true
        default: ''

jobs:
  prepare-and-validate:
    runs-on: ubuntu-latest
    if: github.ref == 'refs/heads/master' && inputs.confirm_release == 'release'
    outputs:
      version: ${{ steps.extract-version.outputs.version }}
      release_notes: ${{ steps.extract-release-notes.outputs.release_notes }}
      is_valid: ${{ steps.validate-conditions.outputs.is_valid }}
    steps:
      - name: Checkout code
        uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: Extract version from VERSION file
        id: extract-version
        run: |
          VERSION_CONTENT=$(cat VERSION)
          echo "version=$VERSION_CONTENT" >> $GITHUB_OUTPUT
          echo "Found version: $VERSION_CONTENT"

      - name: Validate release conditions
        id: validate-conditions
        run: |
          # Get version from VERSION file
          VERSION_CONTENT=$(cat VERSION)
          
          # Get current date in YYYY-MM-DD format
          CURRENT_DATE=$(date +%Y-%m-%d)
          
          # Check first line of CHANGES file contains current date using Perl
          DATE_CHECK=$(perl -ne 'if ($. == 1 && /'"$CURRENT_DATE"'/) { print "yes"; exit; } exit if $. > 1;' CHANGES)
          
          echo "Checking conditions:"
          echo "1. On master branch: ${{ github.ref == 'refs/heads/master' }}"
          echo "2. First line of CHANGES contains today's date ($CURRENT_DATE)"
          echo "   First line check result: $DATE_CHECK"
          
          if [[ "$DATE_CHECK" == "yes" ]]; then
            echo "All conditions met!"
            echo "is_valid=true" >> $GITHUB_OUTPUT
          else
            echo "Release conditions not met:"
            echo "CHANGES first line should contain today's date: $CURRENT_DATE"
            echo "is_valid=false" >> $GITHUB_OUTPUT
            exit 1
          fi

      - name: Extract release notes
        id: extract-release-notes
        run: |
          # Create a temporary file to store the release notes
          TEMP_FILE=$(mktemp)
          
          # Extract the entire first section of CHANGES file using Perl and save to temp file
          perl -0777 -ne '
            if (/^((\d{4}-\d{2}-\d{2}).*?)(?=^\d{4}-\d{2}-\d{2}|\z)/ms) {
              print $1;
            }
          ' CHANGES > "$TEMP_FILE"
          
          # Use GitHub's approach for multiline outputs
          echo "release_notes<<EOF" >> $GITHUB_OUTPUT
          cat "$TEMP_FILE" >> $GITHUB_OUTPUT
          echo "EOF" >> $GITHUB_OUTPUT
          
          # Also save the release notes as an artifact for debugging
          mkdir -p release_artifacts
          cp "$TEMP_FILE" release_artifacts/release_notes.txt
          
      - name: Upload release notes for debugging
        uses: actions/upload-artifact@v4
        with:
          name: release-notes
          path: release_artifacts/

  build-and-release:
    needs: prepare-and-validate
    if: needs.prepare-and-validate.outputs.is_valid == 'true'
    runs-on: ubuntu-latest
    steps:
      - name: Checkout code
        uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: Set up build environment
        run: |
          sudo apt-get update
          sudo apt-get install -y build-essential autoconf automake librrds-perl rrdtool dma
          
      - name: Build project
        run: |        
          ./bootstrap
          ./configure --enable-maintainer-mode
          make
          make clean
          make install
          make dist

      - name: Configure Git
        run: |
          git config user.name "GitHub Actions"
          git config user.email "actions@github.com"
      
      - name: Create and push tag
        run: |
          VERSION=${{ needs.prepare-and-validate.outputs.version }}
          TAG_NAME="v$VERSION"
          
          # Check if tag already exists
          if git rev-parse "$TAG_NAME" >/dev/null 2>&1; then
            echo "Tag $TAG_NAME already exists"
            exit 1
          else
            echo "Creating tag $TAG_NAME"
            git tag -a "$TAG_NAME" -m "Release $TAG_NAME"
            git push origin "$TAG_NAME"
          fi

      - name: Create GitHub Release
        id: create_release
        uses: softprops/action-gh-release@v2
        with:
          tag_name: v${{ needs.prepare-and-validate.outputs.version }}
          files: smokeping-${{ needs.prepare-and-validate.outputs.version }}.tar.gz
          name: Release v${{ needs.prepare-and-validate.outputs.version }}
          body: |
            ${{ needs.prepare-and-validate.outputs.release_notes }}
          draft: false
          prerelease: false
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}