release.yml

name: Release

on:
  push:
    tags:
      - "v*"

jobs:
  release:
    name: Create GitHub Release
    runs-on: ubuntu-latest

    permissions:
      contents: write

    steps:
      - uses: actions/checkout@v4

      - name: Extract changelog for this version
        id: changelog
        run: |
          # Strip the leading "v" from the tag to get the version number
          VERSION="${GITHUB_REF_NAME#v}"

          # Pull out the section between this version's heading and the next
          BODY=$(awk "/^## \[${VERSION}\]/{found=1; next} found && /^## \[/{exit} found{print}" CHANGELOG.md)

          # Pass it to subsequent steps via $GITHUB_OUTPUT (handles multi-line)
          {
            echo "body<<EOF"
            echo "$BODY"
            echo "EOF"
          } >> "$GITHUB_OUTPUT"

      - name: Create GitHub Release
        uses: softprops/action-gh-release@v2
        with:
          name: ${{ github.ref_name }}
          body: ${{ steps.changelog.outputs.body }}
          draft: false
          prerelease: ${{ contains(github.ref_name, '-') }}