SwiftLM/.github/workflows/release.yml at ffe7b23372531261bd23ca898d453ac3ea623dc6 · SharpAI/SwiftLM · GitHub

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name: Release

# Auto-release on every push to main (like llama.cpp)
on:
  workflow_dispatch:
    inputs:
      create_release:
        description: 'Create new release'
        required: true
        type: boolean
  push:
    branches:
      - main
    paths:
      - '**/*.swift'
      - 'Package.swift'
      - '.github/workflows/release.yml'

concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: true

permissions:
  contents: write

jobs:
  build-and-release:
    runs-on: macos-15

    steps:
      - uses: actions/checkout@v4
        with:
          fetch-depth: 0  # Full history for build number
          submodules: recursive

      - name: Install Metal Toolchain
        run: xcodebuild -downloadComponent MetalToolchain || true

      - name: Determine tag name
        id: tag
        run: |
          BUILD_NUMBER="$(git rev-list --count HEAD)"
          SHORT_HASH="$(git rev-parse --short=7 HEAD)"
          echo "name=b${BUILD_NUMBER}" >> $GITHUB_OUTPUT
          echo "full=b${BUILD_NUMBER}-${SHORT_HASH}" >> $GITHUB_OUTPUT
          echo "Build: b${BUILD_NUMBER} (${SHORT_HASH})"

      - name: Generate changelog
        id: changelog
        run: |
          # Find the previous release tag
          PREV_TAG=$(git tag --sort=-creatordate | head -1 2>/dev/null || echo "")
          if [ -z "$PREV_TAG" ]; then
            # First release — all commits
            CHANGELOG=$(git log --pretty=format:"- %s (%h)" --no-merges -20)
          else
            CHANGELOG=$(git log "${PREV_TAG}..HEAD" --pretty=format:"- %s (%h)" --no-merges)
          fi
          # Write to file (multi-line safe)
          echo "$CHANGELOG" > /tmp/changelog.txt
          echo "Generated changelog with $(echo "$CHANGELOG" | wc -l | tr -d ' ') entries"

      - name: Build (Release)
        run: swift build -c release

      - name: Verify binary
        run: |
          ls -lh .build/release/SwiftLM
          file .build/release/SwiftLM
          .build/release/SwiftLM --help || true

      - name: Package binary
        run: |
          mkdir -p release
          cp .build/release/SwiftLM release/
          cp LICENSE README.md release/
          cd release
          tar -czvf ../SwiftLM-${{ steps.tag.outputs.name }}-macos-arm64.tar.gz .

      - name: Upload artifact
        uses: actions/upload-artifact@v4
        with:
          name: SwiftLM-${{ steps.tag.outputs.name }}-macos-arm64
          path: SwiftLM-${{ steps.tag.outputs.name }}-macos-arm64.tar.gz
          retention-days: 90

      - name: Prepare release notes
        id: notes
        run: |
          CHANGELOG=$(cat /tmp/changelog.txt)
          cat > /tmp/release_notes.md << 'RELEASE_EOF'
          ## SwiftLM ${{ steps.tag.outputs.full }}

          <details open>

          ${{ github.event.head_commit.message }}

          </details>

          ### Changelog

          RELEASE_EOF
          cat /tmp/changelog.txt >> /tmp/release_notes.md
          cat >> /tmp/release_notes.md << 'RELEASE_EOF'

          ### Download

          - [macOS Apple Silicon (arm64)](https://github.com/SharpAI/SwiftLM/releases/download/${{ steps.tag.outputs.name }}/SwiftLM-${{ steps.tag.outputs.name }}-macos-arm64.tar.gz)

          ### Quick Start
          ```bash
          tar -xzf SwiftLM-${{ steps.tag.outputs.name }}-macos-arm64.tar.gz
          ./SwiftLM --model mlx-community/Qwen2.5-3B-Instruct-4bit --port 5413
          ```

          > **Note:** Requires `mlx.metallib` next to the binary for GPU compute. See [README](https://github.com/SharpAI/SwiftLM#metal-shader-library) for setup.
          RELEASE_EOF

      - name: Create release
        if: ${{ github.event_name == 'push' || github.event.inputs.create_release == 'true' }}
        uses: softprops/action-gh-release@v2
        with:
          tag_name: ${{ steps.tag.outputs.name }}
          name: "SwiftLM ${{ steps.tag.outputs.name }}"
          body_path: /tmp/release_notes.md
          files: |
            SwiftLM-${{ steps.tag.outputs.name }}-macos-arm64.tar.gz
          draft: false
          prerelease: false