release.yml

name: Build and release a new version

on:
  push:
    branches: [ "main" ]
    paths: [ ".version" ]

  workflow_dispatch:

jobs:
  build:
    uses: ./.github/workflows/build.yml
          
  release:
    needs: build
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v3
        with:
          fetch-depth: 0

      - name: Download artifact
        uses: actions/download-artifact@v3
        with:
          name: opencv2.xcframework.zip

      - name: Get version
        id: get_version
        run: |
          VERSION=$(cat .version)
          if git rev-parse -q --verify "refs/tags/${VERSION}" >/dev/null; then
            PATCH=$(git rev-list --count "refs/tags/${VERSION}..HEAD")
            VERSION="${VERSION}+${PATCH}"
          fi
          echo "VERSION=${VERSION}" >> $GITHUB_OUTPUT

      - name: Update Package.swift
        run: |
          sed -i "s/let version = \".*\"/let version = \"${{ steps.get_version.outputs.VERSION }}\"/" Package.swift
          sed -i "s/let checksum = \".*\"/let checksum = \"$(shasum -a 256 opencv2.xcframework.zip | cut -d ' ' -f 1)\"/" Package.swift

      - name: Commit and push
        run: |
          git config --local user.email "github-actions[bot]@users.noreply.github.com"
          git config --local user.name "GitHub Actions"
          git add Package.swift
          git commit -m "Update Package.swift"
          git push

      - name: Release
        uses: softprops/action-gh-release@v1
        with:
          files: opencv2.xcframework.zip
          tag_name: ${{ steps.get_version.outputs.VERSION }}