release.yml

name: Create Release

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

concurrency:
  group: release-${{ github.ref }}
  cancel-in-progress: false

permissions:
  contents: write

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

      - name: Extract release notes from CHANGELOG.md
        id: changelog
        run: |
          # Extract section between ## vX.X.X and next ## heading
          awk -v ver="${{ github.ref_name }}" '
            BEGIN { found = 0 }
            /^## / {
              if (found) exit
              if (index($0, "## " ver) == 1) found = 1
            }
            found { print }
          ' CHANGELOG.md > /tmp/release-notes.md

          # Get the title from the first line (e.g., "v7.0.0 — May 2026")
          HEADING=$(head -1 /tmp/release-notes.md 2>/dev/null)
          if [ -z "$HEADING" ]; then
            echo "::error::No CHANGELOG.md entry found for ${{ github.ref_name }}. Add one before pushing the tag."
            exit 1
          fi
          TITLE="${HEADING### }"
          echo "title=$TITLE" >> "$GITHUB_OUTPUT"

      - name: Create Release
        env:
          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        run: |
          gh release create "${{ github.ref_name }}" \
            --title "${{ steps.changelog.outputs.title }}" \
            --notes-file /tmp/release-notes.md \
            --latest