format_check.yml

name: format-check

on:
  push:
    branches:
      - 'master'
      - 'release-'
    tags: '*'
  pull_request:

jobs:
  build:
    runs-on: ${{ matrix.os }}
    strategy:
      matrix:
        julia-version: [1.3.0]
        julia-arch: [x86]
        os: [ubuntu-latest]
    steps:
      - uses: julia-actions/setup-julia@latest
        with:
          version: ${{ matrix.julia-version }}

      - uses: actions/checkout@v1
      - name: Install JuliaFormatter and format
        # This will use the latest version by default but you can set the version like so:
        #
        # julia  -e 'using Pkg; Pkg.add(PackageSpec(name="JuliaFormatter", version="0.13.0"))'
        run: |
          julia  -e 'using Pkg; Pkg.add(PackageSpec(name="JuliaFormatter"))'
          julia  -e 'using JuliaFormatter; format(".", verbose=true)'
      - name: Format check
        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'