release.yml

name: Create GitHub Release

on:
  push:
    tags:
      - 'v*'

jobs:
  create-release:
    runs-on: ubuntu-latest
    permissions:
      contents: write  # Required to create releases

    steps:
    - name: Checkout code
      uses: actions/checkout@v6
      with:
        fetch-depth: 0  # Fetch all history for changelog generation

    - name: Get tag name
      id: tag
      run: echo "tag=${GITHUB_REF#refs/tags/}" >> $GITHUB_OUTPUT

    - name: Generate changelog
      id: changelog
      run: |
        # Get the previous tag
        PREV_TAG=$(git describe --tags --abbrev=0 HEAD^ 2>/dev/null || echo "")

        if [ -z "$PREV_TAG" ]; then
          # First release - get all commits
          CHANGES=$(git log --pretty=format:"- %s (%h)" --no-merges)
        else
          # Get commits since previous tag
          CHANGES=$(git log ${PREV_TAG}..HEAD --pretty=format:"- %s (%h)" --no-merges)
        fi

        # Save to file to handle multiline content
        echo "$CHANGES" > changelog.txt

        # Also output to GitHub output
        echo "changelog<<EOF" >> $GITHUB_OUTPUT
        echo "$CHANGES" >> $GITHUB_OUTPUT
        echo "EOF" >> $GITHUB_OUTPUT

    - name: Create Release
      uses: actions/create-release@v1
      env:
        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
      with:
        tag_name: ${{ steps.tag.outputs.tag }}
        release_name: Release ${{ steps.tag.outputs.tag }}
        body: |
          ## Changes in ${{ steps.tag.outputs.tag }}

          ${{ steps.changelog.outputs.changelog }}
        draft: false
        prerelease: false