build-smart-on-trigger.yaml

name: Conditional Build on Trigger

on:
  workflow_dispath:

jobs:
  build:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout code
        uses: actions/checkout@v2

      - name: Set up dependencies
        run: |
          sudo apt-get update
          sudo apt-get install -y jq

      - name: Determine Builds
        id: determine-builds
        run: |
          # Initialize an empty array to hold packages that need building
          declare -A changed_packages

          # Check for changes in each package and update the list of packages that need building based on dependencies
          if git diff --name-only ${{ github.event.before }} ${{ github.event.after }} | grep -q './minauth'; then
            changed_packages["./minauth"]="minauth"
          fi
          if git diff --name-only ${{ github.event.before }} ${{ github.event.after }} | grep -q './minauth-plugins/minauth-erc721-timelock-plugin'; then
            changed_packages["./minauth-plugins/minauth-erc721-timelock-plugin"]="minauth-erc721-timelock-plugin"
          fi
          if git diff --name-only ${{ github.event.before }} ${{ github.event.after }} | grep -q './minauth-plugins/minauth-merkle-membership-plugin'; then
            changed_packages["./minauth-plugins/minauth-merkle-membership-plugin"]="minauth-merkle-membership-plugin"
          fi
          if git diff --name-only ${{ github.event.before }} ${{ github.event.after }} | grep -q './minauth-plugins/minauth-simple-preimage-plugin'; then
            changed_packages["./minauth-plugins/minauth-simple-preimage-plugin"]="minauth-simple-preimage-plugin"
          fi
          if git diff --name-only ${{ github.event.before }} ${{ github.event.after }} | grep -q './minauth-demo/minauth-demo-server'; then
            changed_packages["./minauth-demo/minauth-demo-server"]="minauth-demo-server"
          fi
          if git diff --name-only ${{ github.event.before }} ${{ github.event.after }} | grep -q './minauth-demo/minauth-demo-client'; then
            changed_packages["./minauth-demo/minauth-demo-client"]="minauth-demo-client"
          fi

          # Convert package paths to JSON array
          echo "::set-output name=packages::$(echo $(jq -nc '$ARGS.positional' --args "${!changed_packages[@]}"))"

      - name: Build packages
        run: |
          packages=(${{ steps.determine-builds.outputs.packages }})
          for package in "${packages[@]}"; do
            echo "Building package: ${package}"
            cd $package
            npm install-ci
            npm run build
            cd -
          done
        shell: bash