_check.yml

name: Check Changes in Repo

on:
  workflow_call:
    inputs:
      targets:
        description: 'The list of services/sub-repositories concerned (as a stringified array)'
        type: string
        required: true
      bypass:
        description: 'The check will always return true'
        type: boolean
    outputs:
      changed:
        description: 'The list of services that have changed'
        value: ${{ jobs.check_changes.outputs.changed }}
      target_env:
        description: 'The target environment (staging/prod)'
        value: ${{ jobs.check_changes.outputs.target_env }}
      is_forked:
        description: 'Check if repo is a fork'
        value: ${{ jobs.check_changes.outputs.is_forked }}

jobs:
  check_changes:
    runs-on: ubuntu-24.04
    name: 'Check for changes in monorepo'
    outputs:
      changed: ${{ steps.check-changes.outputs.changed }}
      target_env: ${{ steps.set_target.outputs.target }}
      is_forked: ${{ steps.is_forked.outputs.is_forked }}
    env:
      TARGETS: ${{ inputs.targets }}
      BYPASS: ${{ inputs.bypass }}
    steps:
      - uses: actions/checkout@v4
        with:
          fetch-depth: 0
      - name: 'Set GIT_BRANCH in env'
        if: github.event_name != 'pull_request'
        id: branch_name
        run: |
          # Short name for current branch. For PRs, use target branch (base ref)
          GIT_BRANCH=${GITHUB_BASE_REF:-${GITHUB_REF#refs/heads/}}
          echo "GIT_BRANCH=$GIT_BRANCH" >> $GITHUB_ENV
      - name: 'Check which folders have changed'
        run: |
          if [ "${GIT_BRANCH}" == "production" ]; then
            echo 'Deploy all'
            echo "changed=$TARGETS" >> $GITHUB_OUTPUT
          elif [ "${BYPASS}" == true ]; then
            echo 'Run all tests'
            echo "changed=$TARGETS" >> $GITHUB_OUTPUT
          else 
            changed=$(.github/actions/monorepo/check-changes.sh ${{ github.ref_name }})
            echo "changed=$changed" >> $GITHUB_OUTPUT
          fi
          printf 'changed:%s\n' "${changed[@]}"
        shell: bash
        id: check-changes
      - name: Check if forked PR
        id: is_forked
        run: |
          echo "::set-output name=is_forked::${{github.repository_owner != 'Unlock Protocol' && github.event.pull_request.merged == true}}"
      - name: Set target environment
        id: set_target
        run: |
          echo "::set-output name=target::${{ contains(github.base_ref, 'production') && 'prod' || 'staging' }}"