# Check if the path of changed file is longer than 260 characters
# that windows filesystem allows

name: Detect long path among changed files

on:
  workflow_dispatch:
  pull_request: # focus on the changed files in current PR
    branches: [main]

concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: true

jobs:
  long-path:
    runs-on: ubuntu-latest

    steps:
      - uses: actions/checkout@v6
      - name: Check for changed files
        id: changed-files
        uses: tj-actions/changed-files@v47.0.1
      - name: Detect long path
        env:
          ALL_CHANGED_FILES: ${{ steps.changed-files.outputs.all_changed_files }} # ignore the deleted files
          MAX_LENGTH: 120 # set max length to 120, considering the base path of app project that uses matrix-sdk
        run: |
          for file in ${ALL_CHANGED_FILES}; do
            if [ ${#file} -gt $MAX_LENGTH ]; then
              echo "File path is too long. Length: ${#file}, Path: $file"
              exit 1
            fi
          done
          exit 0