name: Run JuliaFormatter

on:
  pull_request:

jobs:
  Benchmark:
    if: "!contains(github.event.head_commit.message, '[skip ci]')"
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v2
      - uses: julia-actions/setup-julia@latest
        with:
          version: 1

      # Setup
      - name: Ubuntu TESTCMD
        run: echo "TESTCMD=xvfb-run --auto-servernum julia" >> $GITHUB_ENV

      # Check format
      - name: Install JuliaFormatter and format
        run: |
          git diff --name-only --exit-code
          $TESTCMD -e 'using Pkg; pkg"add JuliaFormatter CSTParser#master"'
          $TESTCMD -e 'using JuliaFormatter; format(["src", "test"])'
          git diff --exit-code