release.yml

name: Release

# Publish a GitHub Release whenever a version tag is pushed:
#   git tag v0.1.0 && git push origin v0.1.0
on:
  push:
    tags:
      - "v*"

permissions:
  contents: write # needed to create the Release and upload the DMG

jobs:
  release:
    runs-on: macos-latest
    steps:
      - uses: actions/checkout@v5
        with:
          fetch-depth: 0 # full history so build.sh can derive CFBundleVersion

      - name: Resolve version from tag
        id: version
        run: |
          VERSION="${GITHUB_REF_NAME#v}"
          echo "version=$VERSION" >> "$GITHUB_OUTPUT"
          # Only an explicit pre-release suffix (e.g. 1.0.0-beta) is a GitHub
          # pre-release. 0.x ships as a normal release so the newest always
          # shows as "Latest" on the repo page and /releases/latest resolves.
          if [[ "$VERSION" == *-* ]]; then
            echo "prerelease=true" >> "$GITHUB_OUTPUT"
          else
            echo "prerelease=false" >> "$GITHUB_OUTPUT"
          fi

      - name: Run tests
        run: swift test

      - name: Build DMG
        env:
          LLMFLEX_VERSION: ${{ steps.version.outputs.version }}
        run: ./scripts/package-dmg.sh

      - name: Extract release notes from CHANGELOG
        id: notes
        run: |
          VERSION="${{ steps.version.outputs.version }}"
          # Pull the section for this version out of CHANGELOG.md, if present.
          if awk -v v="$VERSION" '
            $0 ~ "^## \\[" v "\\]" {flag=1; next}
            /^## \[/ {flag=0}
            flag {print}
          ' CHANGELOG.md > notes.md && [ -s notes.md ]; then
            echo "→ Using CHANGELOG section for $VERSION"
          else
            echo "Alpha build $VERSION. See the commit history for changes." > notes.md
          fi

      - name: Create GitHub Release
        env:
          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        run: |
          PRERELEASE_FLAG=""
          if [[ "${{ steps.version.outputs.prerelease }}" == "true" ]]; then
            PRERELEASE_FLAG="--prerelease"
          fi
          gh release create "${GITHUB_REF_NAME}" \
            "build/LLM-Flex-${{ steps.version.outputs.version }}.dmg" \
            --title "LLM Flex ${{ steps.version.outputs.version }}" \
            --notes-file notes.md \
            $PRERELEASE_FLAG