release.yaml

name: Create Release with Changelog

on:
  push:
    tags:
      - 'v*'

jobs:
  release:
    runs-on: ubuntu-latest

    steps:
      - name: Checkout repository
        uses: actions/checkout@v3

      # - name: Setup tmate session
      #   uses: mxschmitt/action-tmate@v3

      - name: Extract changelog for the tag
        id: changelog
        run: |
          # Get the current tag
          CURRENT_TAG=${GITHUB_REF#refs/tags/}

          # Extract changelog for the current tag using awk
          CHANGELOG=$(grep -A 1000 "^## \[$CURRENT_TAG\]" CHANGELOG.md | sed -n '/^## \[v0.2.0\]/,/^<a name/{p}' | sed '$d')
          
          # Handle no match (e.g., if the tag isn't in the changelog)
          if [[ -z "$CHANGELOG" ]]; then
            echo "Changelog for ${CURRENT_TAG} not found. Please ensure CHANGELOG.md is updated."
            exit 1
          fi

          echo "CHANGELOG_CONTENT<<EOF" >> $GITHUB_ENV
          echo "$CHANGELOG" >> $GITHUB_ENV
          echo "EOF" >> $GITHUB_ENV
      
      - name: Create release
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
          tag: ${{ github.ref_name }}
        run: |
          echo "${{ env.CHANGELOG_CONTENT }}" > temp_changelog.md
          gh release create "$tag" \
              --repo="$GITHUB_REPOSITORY" \
              --title="Release ${tag#v}" \
              --notes-file=temp_changelog.md