release.yml

name: Release

permissions:
  contents: write

on:
  push:
    tags:
      - 'v*'

jobs:
  release:
    runs-on: ubuntu-latest
    steps:
      - name: Get tag version
        id: version_tag
        run: echo "version=${GITHUB_REF#refs/tags/v}" >> $GITHUB_OUTPUT

      - name: Determine prerelease
        id: prerelease
        run: |
          if [[ "${{ steps.version_tag.outputs.version }}" == *"-"* ]]; then
            echo "prerelease=true" >> $GITHUB_OUTPUT
          else
            echo "prerelease=false" >> $GITHUB_OUTPUT
          fi

      - name: Checkout repository
        uses: actions/checkout@v6
        with:
          ref: ${{ github.ref }}
          fetch-depth: 1

      - name: Set up CMake
        uses: jwlawson/actions-setup-cmake@v2

      - name: Configure and Package
        run: |
          cmake --preset package
          cmake --build build --target pack

      - name: Extract release info
        id: release_info
        run: |
          artifact_name=$(cmake --build build --target artifact | tail -n2 | head -n1)
          echo "artifact=$artifact_name" >> $GITHUB_OUTPUT

          python3 - <<'EOF'
          import os
          import re

          semver = os.environ['GITHUB_REF'].replace('refs/tags/v', '')
          with open('CHANGELOG.md', 'r', encoding='utf-8') as file:
            match = re.search(
              rf'## \[{semver}\] - [A-Za-z0-9]+-[A-Za-z0-9]+-[A-Za-z0-9]+\s*\n(.*?)(?:## \[.+\] - \d+-\d+-\d+|-\s*-\s*-)',
              file.read(), re.S)
            if match is None:
              raise ValueError(f'match failed: expected version: "{semver}"')
            notes = match.group(1).strip()

          with open(os.environ['GITHUB_OUTPUT'], 'a', encoding='utf-8') as out:
            out.write(f'notes<<EOF\n{notes}\nEOF\n')
          EOF
        env:
          GITHUB_REF: ${{ github.ref }}

      - name: Create GitHub Release
        uses: softprops/action-gh-release@v2
        with:
          tag_name: ${{ github.ref_name }}
          name: ${{ steps.version_tag.outputs.version }}
          body: ${{ steps.release_info.outputs.notes }}
          files: ${{ steps.release_info.outputs.artifact }}
          prerelease: ${{ steps.prerelease.outputs.prerelease }}
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}