release-drafter.yml

# SPDX-License-Identifier: MIT
# SPDX-FileCopyrightText: 2025 py7zz contributors

name: Release Drafter

on:
  push:
    branches:
      - main          # Official releases from PR merges
      - 'feature/**'  # Draft releases from feature branches
      - 'dev/**'      # Draft releases from development branches
      - develop       # Draft releases from main development branch
  pull_request:
    types: [opened, reopened, synchronize]

permissions:
  contents: read

jobs:
  update_release_draft:
    permissions:
      contents: write
      pull-requests: write
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
        with:
          fetch-depth: 0  # Get full history for commit-based changelog

      # Official release notes for main branch (PR-based)
      - name: Update Release Draft (Main Branch)
        if: github.ref == 'refs/heads/main'
        uses: release-drafter/release-drafter@v6
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

      # Draft release notes for development branches (commit-based)
      - name: Generate Development Release Notes
        if: github.ref != 'refs/heads/main' && github.event_name == 'push'
        id: dev_release_notes
        run: |
          echo "Generating development release notes from commit messages..."

          # Get branch name
          BRANCH_NAME=$(echo ${GITHUB_REF#refs/heads/})
          echo "Branch: $BRANCH_NAME"

          # Get commits since last tag or last 10 commits if no tags
          LAST_TAG=$(git describe --tags --abbrev=0 2>/dev/null || echo "")

          if [ -n "$LAST_TAG" ]; then
            echo "## What's Changed (Development)" > dev_notes.md
            echo "" >> dev_notes.md
            echo "**Branch**: \`$BRANCH_NAME\`" >> dev_notes.md
            echo "" >> dev_notes.md

            # Parse conventional commits and categorize (same logic as release.yml)
            # Get all commits since last tag
            COMMITS=$(git log --format="%s" --no-merges ${LAST_TAG}..HEAD)

            # Initialize category flags
            HAS_FEATURES=false
            HAS_FIXES=false
            HAS_DOCS=false
            HAS_PERF=false
            HAS_CHORES=false
            HAS_TESTS=false
            HAS_CI=false
            HAS_OTHER=false

            # Create temporary files for each category
            mkdir -p /tmp/changelog_dev
            > /tmp/changelog_dev/features.md
            > /tmp/changelog_dev/fixes.md
            > /tmp/changelog_dev/docs.md
            > /tmp/changelog_dev/perf.md
            > /tmp/changelog_dev/chores.md
            > /tmp/changelog_dev/tests.md
            > /tmp/changelog_dev/ci.md
            > /tmp/changelog_dev/other.md

            # Categorize commits
            while IFS= read -r subject; do
              if [[ "$subject" =~ ^feat(\(.+\))?: ]]; then
                echo "- $subject" >> /tmp/changelog_dev/features.md
                HAS_FEATURES=true
              elif [[ "$subject" =~ ^fix(\(.+\))?: ]]; then
                echo "- $subject" >> /tmp/changelog_dev/fixes.md
                HAS_FIXES=true
              elif [[ "$subject" =~ ^docs(\(.+\))?: ]]; then
                echo "- $subject" >> /tmp/changelog_dev/docs.md
                HAS_DOCS=true
              elif [[ "$subject" =~ ^perf(\(.+\))?: ]]; then
                echo "- $subject" >> /tmp/changelog_dev/perf.md
                HAS_PERF=true
              elif [[ "$subject" =~ ^(chore|refactor|style)(\(.+\))?: ]]; then
                echo "- $subject" >> /tmp/changelog_dev/chores.md
                HAS_CHORES=true
              elif [[ "$subject" =~ ^test(\(.+\))?: ]]; then
                echo "- $subject" >> /tmp/changelog_dev/tests.md
                HAS_TESTS=true
              elif [[ "$subject" =~ ^ci(\(.+\))?: ]]; then
                echo "- $subject" >> /tmp/changelog_dev/ci.md
                HAS_CI=true
              else
                echo "- $subject" >> /tmp/changelog_dev/other.md
                HAS_OTHER=true
              fi
            done <<< "$COMMITS"

            # Build categorized changelog
            if [ "$HAS_FEATURES" = true ]; then
              echo "### 🚀 Features" >> dev_notes.md
              echo "" >> dev_notes.md
              cat /tmp/changelog_dev/features.md >> dev_notes.md
              echo "" >> dev_notes.md
            fi

            if [ "$HAS_FIXES" = true ]; then
              echo "### 🐛 Bug Fixes" >> dev_notes.md
              echo "" >> dev_notes.md
              cat /tmp/changelog_dev/fixes.md >> dev_notes.md
              echo "" >> dev_notes.md
            fi

            if [ "$HAS_DOCS" = true ]; then
              echo "### 📚 Documentation" >> dev_notes.md
              echo "" >> dev_notes.md
              cat /tmp/changelog_dev/docs.md >> dev_notes.md
              echo "" >> dev_notes.md
            fi

            if [ "$HAS_PERF" = true ]; then
              echo "### ⚡ Performance" >> dev_notes.md
              echo "" >> dev_notes.md
              cat /tmp/changelog_dev/perf.md >> dev_notes.md
              echo "" >> dev_notes.md
            fi

            if [ "$HAS_CHORES" = true ]; then
              echo "### 🔧 Maintenance" >> dev_notes.md
              echo "" >> dev_notes.md
              cat /tmp/changelog_dev/chores.md >> dev_notes.md
              echo "" >> dev_notes.md
            fi

            if [ "$HAS_TESTS" = true ]; then
              echo "### 🧪 Testing" >> dev_notes.md
              echo "" >> dev_notes.md
              cat /tmp/changelog_dev/tests.md >> dev_notes.md
              echo "" >> dev_notes.md
            fi

            if [ "$HAS_CI" = true ]; then
              echo "### 🔄 CI/CD" >> dev_notes.md
              echo "" >> dev_notes.md
              cat /tmp/changelog_dev/ci.md >> dev_notes.md
              echo "" >> dev_notes.md
            fi

            if [ "$HAS_OTHER" = true ]; then
              echo "### Other Changes" >> dev_notes.md
              echo "" >> dev_notes.md
              cat /tmp/changelog_dev/other.md >> dev_notes.md
              echo "" >> dev_notes.md
            fi

            # Clean up temporary files
            rm -rf /tmp/changelog_dev

            echo "**Full Changelog**: https://github.com/${{ github.repository }}/compare/${LAST_TAG}...${BRANCH_NAME}" >> dev_notes.md
          else
            echo "## What's Changed (Development)" > dev_notes.md
            echo "" >> dev_notes.md
            echo "**Branch**: \`$BRANCH_NAME\`" >> dev_notes.md
            echo "" >> dev_notes.md
            echo "- Initial development on this branch" >> dev_notes.md
            echo "" >> dev_notes.md
            echo "**Commits**: https://github.com/${{ github.repository }}/commits/${BRANCH_NAME}" >> dev_notes.md
          fi

          # Set output for potential future use
          echo "notes_file=dev_notes.md" >> $GITHUB_OUTPUT

          echo "Development release notes generated:"
          cat dev_notes.md

      # Also update release draft for PRs (standard behavior)
      - name: Update Release Draft (Pull Request)
        if: github.event_name == 'pull_request'
        uses: release-drafter/release-drafter@v6
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}