release-swift-bindings-nix.yml

name: Release Swift Bindings
on:
  workflow_dispatch:
jobs:
  build-macos:
    runs-on: warp-macos-13-arm64-6x
    strategy:
      fail-fast: false
      matrix:
        target:
          - aarch64-apple-ios
          - x86_64-apple-ios
          - aarch64-apple-ios-sim
          - x86_64-apple-darwin
          - aarch64-apple-darwin
    steps:
      - name: Checkout
        uses: actions/checkout@v4
      - name: Install Nix
        uses: cachix/install-nix-action@v30
        with:
          # Mostly to avoid GitHub rate limiting
          extra_nix_config: |
            access-tokens = github.com=${{ secrets.GITHUB_TOKEN }}
      - uses: DeterminateSystems/magic-nix-cache-action@v8
      - name: Cache
        uses: Swatinem/rust-cache@v2
        with:
          workspaces: |
            .
      - name: Build target
        run: |
          nix develop --command \
            cargo build --release --target ${{ matrix.target }} --manifest-path bindings_ffi/Cargo.toml
      - name: Upload binary
        uses: actions/upload-artifact@v4
        with:
          name: ${{ matrix.target }}
          path: target/${{ matrix.target }}/release/libxmtpv3.a
          retention-days: 1
  swift:
    runs-on: warp-macos-13-arm64-6x
    steps:
      - name: Checkout
        uses: actions/checkout@v4
      - uses: DeterminateSystems/magic-nix-cache-action@v8
      - name: Cache
        uses: Swatinem/rust-cache@v2
        with:
          workspaces: |
            .
      - name: Install Nix
        uses: cachix/install-nix-action@v30
        with:
          # Mostly to avoid GitHub rate limiting
          extra_nix_config: |
            access-tokens = github.com=${{ secrets.GITHUB_TOKEN }}
      - name: Generate bindings
        working-directory: bindings_ffi
        run: |
          nix develop ./../ --command make swift
      - name: Upload artifact
        uses: actions/upload-artifact@v4
        with:
          name: swift
          path: bindings_ffi/build/swift/
          retention-days: 1
  package-swift:
    needs: [build-macos, swift]
    runs-on: warp-macos-13-arm64-6x
    steps:
      - name: Checkout
        uses: actions/checkout@v4
      - name: Download artifacts
        uses: actions/download-artifact@v4
        with:
          path: bindings_ffi/build
      - name: Build archive
        working-directory: bindings_ffi
        run: |
          mkdir -p Sources/LibXMTP
          mv build/swift/xmtpv3.swift Sources/LibXMTP/
          make framework
          cp ../LICENSE ./LICENSE
          zip -r LibXMTPSwiftFFI.zip Sources LibXMTPSwiftFFI.xcframework LICENSE
      - name: Calculate checksum
        id: checksum
        working-directory: bindings_ffi
        run: |
          echo "checksum=$(shasum -a 256 "LibXMTPSwiftFFI.zip" | awk '{ print $1 }')" >> "$GITHUB_OUTPUT"
      - name: Get short SHA
        id: slug
        run: echo "sha7=$(echo "$GITHUB_SHA" | cut -c1-7)" >> "$GITHUB_OUTPUT"
      - name: Create release and upload asset
        uses: softprops/action-gh-release@v2
        with:
          files: ./bindings_ffi/LibXMTPSwiftFFI.zip
          tag_name: swift-bindings-${{ steps.slug.outputs.sha7 }}
          name: Swift-Bindings-${{ steps.slug.outputs.sha7 }}
          draft: false
          prerelease: true
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}