cut-tag.yml

name: Auto Tag, Update Version, and Changelog
on:
  push:
    branches:
      - main
jobs:
  auto_tag_and_update:
    runs-on: ubuntu-latest
    permissions:
      contents: write
    steps:
      - uses: actions/checkout@v3
        with:
          fetch-depth: 0
      
      - name: Debug Info
        run: |
          echo "GitHub Ref: ${{ github.ref }}"
          echo "GitHub Event Name: ${{ github.event_name }}"
          echo "Last Commit Message:"
          git log -1 --pretty=%B
          echo "Changed files:"
          git diff --name-only HEAD^
      
      - name: Get latest tag
        id: get_latest_tag
        run: |
          git fetch --tags
          LATEST_TAG=$(git describe --tags --abbrev=0 2>/dev/null || echo "v0.1.0")
          echo "LATEST_TAG=$LATEST_TAG" >> $GITHUB_OUTPUT
          echo "Latest tag: $LATEST_TAG"
      
      - name: Bump version
        id: bump_version
        run: |
          LATEST_TAG=${{ steps.get_latest_tag.outputs.LATEST_TAG }}
          LATEST_VERSION=${LATEST_TAG#v}
          IFS='.' read -ra VERSION_PARTS <<< "$LATEST_VERSION"
          MAJOR=${VERSION_PARTS[0]}
          MINOR=${VERSION_PARTS[1]}
          PATCH=${VERSION_PARTS[2]}
          NEW_PATCH=$((PATCH + 1))
          NEW_VERSION="$MAJOR.$MINOR.$NEW_PATCH"
          echo "NEW_VERSION=$NEW_VERSION" >> $GITHUB_OUTPUT
          echo "New version: $NEW_VERSION"
      
      - name: Update Cargo.toml
        run: |
          sed -i 's/^version = ".*"/version = "${{ steps.bump_version.outputs.NEW_VERSION }}"/' Cargo.toml
          echo "Updated Cargo.toml:"
          grep version Cargo.toml
      
      - name: Update Changelog
        run: |
          NEW_VERSION=${{ steps.bump_version.outputs.NEW_VERSION }}
          TODAY=$(date +%Y-%m-%d)
          
          # Check if CHANGELOG.md exists, create it if it doesn't
          if [ ! -f CHANGELOG.md ]; then
            echo "# Changelog" > CHANGELOG.md
            echo "" >> CHANGELOG.md
          fi
          
          # Get all commit messages since the last tag
          COMMITS=$(git log $(git describe --tags --abbrev=0)..HEAD --pretty=format:"- %s")
          
          # Prepend new version section to CHANGELOG.md
          sed -i "1i\\\n## [$NEW_VERSION] - $TODAY\n\n$COMMITS\n" CHANGELOG.md
          
          echo "Updated CHANGELOG.md with new version $NEW_VERSION"
          cat CHANGELOG.md
      
      - name: Commit and push changes
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        run: |
          git config --local user.email "action@github.com"
          git config --local user.name "GitHub Action"
          git add Cargo.toml CHANGELOG.md
          git commit -m "Bump version to ${{ steps.bump_version.outputs.NEW_VERSION }} and update CHANGELOG.md"
          git push
          echo "Pushed changes to Cargo.toml and CHANGELOG.md"
          echo "New git status:"
          git status
      
      - name: Create new tag
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        run: |
          git tag -a v${{ steps.bump_version.outputs.NEW_VERSION }} -m "Release v${{ steps.bump_version.outputs.NEW_VERSION }}"
          git push origin v${{ steps.bump_version.outputs.NEW_VERSION }}
          echo "Created and pushed new tag: v${{ steps.bump_version.outputs.NEW_VERSION }}"
          echo "All tags:"
          git tag -l