swift-release.yml

name: Release Swift Package

on:
  workflow_dispatch:
    inputs:
      tag:
        description: Release tag (vX.Y.Z or X.Y.Z)
        required: true

permissions:
  contents: write

jobs:
  release-swift:
    runs-on: macos-latest

    steps:
      - name: Checkout repository
        uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: Normalize tag
        id: tag
        run: |
          TAG="${{ inputs.tag }}"
          if [[ "${TAG}" != v* ]]; then
            TAG="v${TAG}"
          fi
          echo "tag=${TAG}" >> "${GITHUB_OUTPUT}"

      - name: Ensure workflow runs on a branch
        run: |
          if [[ "${GITHUB_REF_TYPE}" != "branch" ]]; then
            echo "This workflow must run on a branch ref."
            exit 1
          fi

      - name: Check for existing tag or release
        env:
          GH_TOKEN: ${{ github.token }}
        run: |
          TAG="${{ steps.tag.outputs.tag }}"
          if git ls-remote --tags origin "refs/tags/${TAG}" | grep -q "${TAG}$"; then
            echo "Tag already exists on origin: ${TAG}"
            exit 1
          fi
          if gh release view "${TAG}" >/dev/null 2>&1; then
            echo "Release already exists: ${TAG}"
            exit 1
          fi

      - name: Configure git
        run: |
          git config user.name "github-actions[bot]"
          git config user.email "41898282+github-actions[bot]@users.noreply.github.com"

      - name: Build xcframework
        working-directory: cktap-swift
        run: bash build-xcframework.sh

      - name: Create archive and update checksum
        run: bash scripts/swift_create_xcframework_archive.sh

      - name: Update Package.swift tag
        run: python3 scripts/swift_update_package_checksum.py --tag "${{ steps.tag.outputs.tag }}"

      - name: Commit updated Swift files
        run: |
          git add Package.swift cktap-swift/Sources
          if git diff --cached --quiet; then
            echo "No Swift package changes to commit."
            exit 0
          fi
          git commit -m "chore(swift): release ${{ steps.tag.outputs.tag }}"

      - name: Create tag and push atomically
        run: |
          if git rev-parse "${{ steps.tag.outputs.tag }}" >/dev/null 2>&1; then
            echo "Tag already exists: ${{ steps.tag.outputs.tag }}"
            exit 1
          fi
          git tag "${{ steps.tag.outputs.tag }}"
          git push --atomic origin HEAD "${{ steps.tag.outputs.tag }}"

      - name: Create GitHub release and upload asset
        env:
          GH_TOKEN: ${{ github.token }}
        run: |
          gh release create "${{ steps.tag.outputs.tag }}" \
            cktap-swift/cktapFFI.xcframework.zip \
            --title "${{ steps.tag.outputs.tag }}" \
            --notes "Swift bindings release ${{ steps.tag.outputs.tag }}"

      - name: Cleanup failed release
        if: failure()
        env:
          GH_TOKEN: ${{ github.token }}
        run: |
          TAG="${{ steps.tag.outputs.tag }}"
          if gh release view "${TAG}" >/dev/null 2>&1; then
            gh release delete "${TAG}" --yes || true
          fi
          if git ls-remote --tags origin "refs/tags/${TAG}" | grep -q "${TAG}$"; then
            git push --delete origin "${TAG}" || true
          fi