build-ios-demos.yml

name: Build All iOS Demos

on:
  workflow_dispatch:
  push:
    branches:
      - master
    paths:
      - 'demos/ios/**'
  pull_request:
    branches:
      - master
    paths:
      - 'demos/**'
      - '.github/workflows/build-ios-demos.yml'
jobs:
  generate-matrix:
    runs-on: ubuntu-latest
    outputs:
      matrix: ${{ steps.set-matrix.outputs.matrix }}
    steps:
      - name: Checkout repository
        uses: actions/checkout@v4
        with:
          sparse-checkout: demos/ios
          fetch-depth: 2 # Required for git diff in PRs

      - name: Generate matrix
        id: set-matrix
        run: |
          if [ "${{ github.event_name }}" = "pull_request" ]; then
            # Get list of changed files in demos/ios/ directory
            changed_files=$(git diff --name-only ${{ github.event.pull_request.base.sha }} HEAD -- 'demos/ios/*')

            echo "Changed files:"
            echo "$changed_files"

            # Extract unique demo directories
            matrix=$(echo "$changed_files" | grep -oE 'demos/ios/[^/]*/MASTG-DEMO-[^/]+' | sort -u | head -c -1 | tr '\n' ' ' | sed 's/ /","/g')

            # If no changes, set empty matrix
            if [ -z "$matrix" ]; then
              echo "matrix={\"demo\":[]}" >> $GITHUB_OUTPUT
            else
              echo "matrix={\"demo\":[\"$matrix\"]}" >> $GITHUB_OUTPUT
            fi
          else
            # Default behavior: include all demos for master branch
            matrix=$(echo demos/ios/*/MASTG-DEMO-* | sed 's/ /","/g')
            echo "matrix={\"demo\":[\"$matrix\"]}" >> $GITHUB_OUTPUT
          fi
          echo "Print matrix: $matrix"

  build:
    needs: generate-matrix
    runs-on: macos-latest
    timeout-minutes: 15
    strategy:
      matrix: ${{ fromJson(needs.generate-matrix.outputs.matrix) }}
      max-parallel: 3

    steps:
      - name: Checkout repository
        uses: actions/checkout@v4
        with:
          sparse-checkout: ${{ matrix.demo }}

      - name: Clone MASTestApp-iOS repository
        uses: actions/checkout@v4
        with:
          repository: cpholguera/MASTestApp-iOS
          path: MASTestApp-iOS
        
      - name: Install dependencies
        uses: tecolicom/actions-use-homebrew-tools@v1
        with:
          tools: ldid

      - name: Set default scheme and iOS deployment target
        run: |
          cd MASTestApp-iOS
          default=$(xcodebuild -list -json | jq -r '.project.targets[0]')
          echo "DEFAULT_SCHEME=$default" >> "$GITHUB_ENV"
          echo "Using default scheme: $default"

          DEPLOYMENT_TARGET=14.4
          echo "Setting iOS Deployment Target to $DEPLOYMENT_TARGET"
          sed -i '' "s/IPHONEOS_DEPLOYMENT_TARGET = .*;/IPHONEOS_DEPLOYMENT_TARGET = $DEPLOYMENT_TARGET;/g" "MASTestApp.xcodeproj/project.pbxproj"

      - name: Replace files with demo and prepare build
        run: |
          demo="${{ matrix.demo }}"
          [ -d "$demo" ] || (
            echo "Demo directory not found: $demo"
            exit 1
          )

          echo "Processing $demo"
          [ -f "$demo/MastgTest.swift" ] && cp -f "$demo/MastgTest.swift" MASTestApp-iOS/MASTestApp/MastgTest.swift && echo "Copied MastgTest.swift for $demo" || echo "No MastgTest.swift found for $demo"
          [ -f "$demo/Info.plist" ] && cp -f "$demo/Info.plist" MASTestApp-iOS/MASTestApp/Info.plist && echo "Copied Info.plist for $demo" || echo "No Info.plist found for $demo"

      - name: Build the app (unsigned)
        run: |
          cd MASTestApp-iOS
          xcodebuild archive \
            -project "MASTestApp.xcodeproj" \
            -scheme "$DEFAULT_SCHEME" \
            -archivePath "$GITHUB_WORKSPACE/build/MASTestApp.xcarchive" \
            -configuration Release \
            CODE_SIGN_IDENTITY="" \
            CODE_SIGNING_REQUIRED=NO \
            CODE_SIGNING_ALLOWED=NO

      - name: Pseudo sign with entitlements.plist
        run: |
          ldid -SMASTestApp-iOS/entitlements.plist "$GITHUB_WORKSPACE/build/MASTestApp.xcarchive/Products/Applications/MASTestApp.app/MASTestApp"

      - name: Create IPA manually
        run: |
          cd "$GITHUB_WORKSPACE/build/MASTestApp.xcarchive/Products" || exit 1
          mv Applications Payload
          zip -r9q MASTestApp.zip Payload
          mv MASTestApp.zip MASTestApp.ipa
          mkdir -p "$GITHUB_WORKSPACE/output"
          mv MASTestApp.ipa "$GITHUB_WORKSPACE/output/$(basename "${{ matrix.demo }}").ipa"
          echo "IPA_NAME=$(basename "${{ matrix.demo }}").ipa" >> $GITHUB_ENV

      - name: Upload IPA
        uses: actions/upload-artifact@v4
        with:
          name: "${{ env.IPA_NAME }}"
          path: "output/${{ env.IPA_NAME }}"