pr_check.yml

name: Pull Request Check

on:
  pull_request:
    types: [opened, synchronize]

jobs:
  check:
    runs-on: ubuntu-latest

    steps:
    - uses: actions/checkout@v2
      with:
        fetch-depth: 0

    - name: Check PR
      run: |
        # Get the list of added, modified, renamed, or deleted files
        ADDED_FILES=$(git diff --name-only --diff-filter=A HEAD~1)
        MODIFIED_FILES=$(git diff --name-only --diff-filter=M HEAD~1)
        RENAMED_FILES=$(git diff --name-only --diff-filter=R HEAD~1)
        DELETED_FILES=$(git diff --name-only --diff-filter=D HEAD~1)

        # Concatenate all changes
        ALL_CHANGES="$ADDED_FILES$MODIFIED_FILES$RENAMED_FILES$DELETED_FILES"

        # Check that all changes are within the 'industries' directory
        if echo "$ALL_CHANGES" | grep -qv "^industries/"; then
          echo "Error: All changes should be within the 'industries' directory"
          exit 1
        fi

        # Check that all changes are within the same app
        APPS=$(echo "$ALL_CHANGES" | awk -F/ '{print $2"/"$3"/"$4}' | sort -u)
        APP_COUNT=$(echo "$APPS" | wc -l)
        if (( APP_COUNT > 1 )); then
          echo "Error: More than one app has been changed"
          exit 1
        fi

        # Check that config.json is not changed
        if echo "$MODIFIED_FILES" | grep -q "config.json"; then
          echo "Error: config.json should not be changed"
          exit 1
        fi

        # Check that no files are added, deleted or renamed
        if [[ -n "$ADDED_FILES" || -n "$DELETED_FILES" || -n "$RENAMED_FILES" ]]; then
          echo "Error: No files should be added, deleted or renamed"
          exit 1
        fi