release.yml

name: Create Release

on:
  push:
    tags:
      - 'v*.*.*'

permissions:
  contents: write

jobs:
  release:
    name: Create GitHub Release
    runs-on: ubuntu-latest
    
    steps:
      - name: Checkout code
        uses: actions/checkout@v4
        with:
          fetch-depth: 0
      
      - name: Get previous tag
        id: previoustag
        run: |
          # Get the tag before the current one
          PREVIOUS_TAG=$(git tag --sort=-v:refname | grep -A1 "${{ github.ref_name }}" | tail -n1)
          echo "previous_tag=$PREVIOUS_TAG" >> $GITHUB_OUTPUT
          echo "Previous tag: $PREVIOUS_TAG"
      
      - name: Generate changelog
        id: changelog
        run: |
          PREVIOUS_TAG="${{ steps.previoustag.outputs.previous_tag }}"
          CURRENT_TAG="${{ github.ref_name }}"
          
          echo "Generating changelog from $PREVIOUS_TAG to $CURRENT_TAG"
          
          # Generate commit log
          CHANGELOG=$(git log ${PREVIOUS_TAG}..${CURRENT_TAG} --pretty=format:"- %s (%h)" --no-merges)
          
          # Create multiline output
          {
            echo 'changelog<<EOF'
            echo "$CHANGELOG"
            echo EOF
          } >> $GITHUB_OUTPUT
      
      - name: Generate contributors list
        id: contributors
        run: |
          PREVIOUS_TAG="${{ steps.previoustag.outputs.previous_tag }}"
          CURRENT_TAG="${{ github.ref_name }}"
          
          # Get unique contributors for this release (excluding repository owner)
          CONTRIBUTORS=$(git log --pretty=format:"- @%an" --no-merges ${PREVIOUS_TAG}..${CURRENT_TAG} | sort -u | grep -v "deinfreu")
          
          # Create multiline output
          {
            echo 'contributors<<EOF'
            echo "$CONTRIBUTORS"
            echo EOF
          } >> $GITHUB_OUTPUT
      
      - name: Create Release
        uses: softprops/action-gh-release@v1
        with:
          tag_name: ${{ github.ref_name }}
          name: Release ${{ github.ref_name }}
          body: |
            ## Changes since ${{ steps.previoustag.outputs.previous_tag }}
            
            ${{ steps.changelog.outputs.changelog }}
            
            ---
            
            ## Contributors
            
            A special thank you to everyone who contributed to this release!
            
            ${{ steps.contributors.outputs.contributors }}
            
            I deeply appreciate every contribution.
          draft: false
          prerelease: false
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}