release.yml

name: Release

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

permissions:
  contents: write

jobs:
  release:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Extract changelog section for this tag
        run: |
          TAG_NAME="${GITHUB_REF_NAME}"
          awk -v tag="$TAG_NAME" '
            $0 ~ "^## "tag"([^0-9a-zA-Z].*)?$" { found=1; print; next }
            found && /^## / { exit }
            found { print }
          ' CHANGELOG.md > release_notes.md

          if [ ! -s release_notes.md ]; then
            echo "No matching section found in CHANGELOG.md for $TAG_NAME" > release_notes.md
          fi

      - name: Create Release
        uses: softprops/action-gh-release@v2
        with:
          body_path: release_notes.md