name: zig-fmt

on:
  pull_request:
    branches:
      - main
    paths:
      - "src/**/*.zig"
      - "src/*.zig"
  # Allows you to run this workflow manually from the Actions tab
  workflow_dispatch:

jobs:
  zig-fmt:
    name: zig fmt
    runs-on: ubuntu-latest
    container:
      image: ghcr.io/browsercore/zig:0.11.0
      credentials:
       username: ${{ github.actor }}
       password: ${{ secrets.GITHUB_TOKEN }}
    outputs:
      zig_fmt_errs: ${{ steps.fmt.outputs.zig_fmt_errs }}

    steps:
      - uses: actions/checkout@v3
        with:
          fetch-depth: 0

      - name: Run zig fmt
        id: fmt
        run: |
          zig fmt --check ./*.zig ./**/*.zig 2> zig-fmt.err > zig-fmt.err2 || echo "Failed"
          delimiter="$(openssl rand -hex 8)"
          echo "zig_fmt_errs<<${delimiter}" >> "${GITHUB_OUTPUT}"

          if [ -s zig-fmt.err ]; then
            echo "// The following errors occurred:" >> "${GITHUB_OUTPUT}"
            cat zig-fmt.err >> "${GITHUB_OUTPUT}"
          fi

          if [ -s zig-fmt.err2 ]; then
            echo "// The following files were not formatted:" >> "${GITHUB_OUTPUT}"
            cat zig-fmt.err2 >> "${GITHUB_OUTPUT}"
          fi

          echo "${delimiter}" >> "${GITHUB_OUTPUT}"
      - name: Fail the job
        if: steps.fmt.outputs.zig_fmt_errs != ''
        run: exit 1