release.yml

name: Release

on:
  push:
    tags:
      - 'v*'

permissions:
  contents: write

jobs:
  release:
    name: Create GitHub Release
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: Get release notes from RELEASES.md
        id: release_notes
        run: |
          # Extract the section for this tag from RELEASES.md
          TAG="${GITHUB_REF#refs/tags/}"

          # Use awk to extract the section between this version and the next
          NOTES=$(awk -v tag="$TAG" '
            /^## / {
              if (found) exit
              if ($2 == tag) found=1
              next
            }
            found && /^---$/ { exit }
            found { print }
          ' RELEASES.md)

          # Write to file for gh release
          echo "$NOTES" > release_notes.md

          echo "Release notes for $TAG:"
          cat release_notes.md

      - name: Create or Update GitHub Release
        env:
          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        run: |
          TAG="${GITHUB_REF#refs/tags/}"

          # Check if release already exists
          if gh release view "$TAG" &>/dev/null; then
            echo "Release $TAG exists, updating notes..."
            gh release edit "$TAG" --notes-file release_notes.md
          else
            echo "Creating release $TAG..."
            gh release create "$TAG" \
              --title "$TAG" \
              --notes-file release_notes.md \
              --latest
          fi