JuliaFormatter.yml

name: Code Formatting

on:
  pull_request:
    branches:
      - main

jobs:
  format:
    runs-on: ubuntu-latest

    permissions:
      contents: write
      pull-requests: write
      actions: write

    steps:
      - name: Cancel Previous Runs
        uses: styfle/cancel-workflow-action@0.12.1

      - uses: actions/checkout@v4
        with:
          ref: ${{ github.head_ref }}

      - uses: julia-actions/setup-julia@v2
        with:
          version: 1.9

      - name: Install JuliaFormatter and format
        shell: bash
        run: julia -e 'import Pkg; Pkg.add("JuliaFormatter"); using JuliaFormatter; format(".")'

      - name: Create Pull Request
        id: pr
        uses: peter-evans/create-pull-request@v6
        with:
          commit-message: Format files using JuliaFormatter
          title: ${{ format('[AUTO] Format {0} using JuliaFormatter', github.event.pull_request.number) }}
          body: ${{ format('[JuliaFormatter.jl](https://github.com/domluna/JuliaFormatter.jl) would suggest these formatting changes against \#{0}.', github.event.pull_request.number) }}
          labels: no changelog
          branch: ${{ format('code-format/{0}', github.event.pull_request.number) }}
          delete-branch: true

      - name: Fail if a PR was needed
        if: ${{ steps.pr.outputs.pull-request-operation == 'created' || steps.pr.outputs.pull-request-operation == 'updated' }}
        shell: bash
        run: exit 1