name: Code format checker
on:
  push:
    branches:
      - master
  pull_request:

jobs:
  lint:
    name: JuliaFormatter
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v3
      - uses: julia-actions/setup-julia@v1
        with:
          version: "1"
      - run: |
          julia  -e 'using Pkg; Pkg.add(PackageSpec(name="JuliaFormatter"))'
          julia  -e 'using JuliaFormatter; format(".", verbose=true)'
      - run: |
          julia -e '
          out = Cmd(`git diff --name-only`) |> read |> String
          if out == ""
              exit(0)
          else
              @error "Some files have not been formatted !!!"
              write(stdout, out)
              exit(1)
          end'