auto-format.yaml

name: Auto-format
on:
  workflow_call:
    inputs:
      base_branch:
        required: false
        type: string
  workflow_dispatch:
    inputs:
      base_branch:
        description: 'Branch to modify and target for pull request'
        default: 'main'
        required: false
        type: string

jobs:
  auto-format:
    name: Run JuliaFormatter and create pull request
    runs-on: ubuntu-latest
    steps:
    - name: Set base branch automatically
      if: inputs.base_branch == ''
      run: |
        echo "base_branch=${{ github.head_ref || github.ref_name }}" >> $GITHUB_ENV
        echo 'formatter_branch=auto-formatter/${{ github.head_ref || github.ref_name }}' >> $GITHUB_ENV
    - name: Read base branch from inputs
      if: inputs.base_branch
      run: |
        echo 'base_branch=${{ inputs.base_branch }}' >> $GITHUB_ENV
        echo 'formatter_branch=auto-formatter/${{ inputs.base_branch }}' >> $GITHUB_ENV
    - name: View variables
      run: |
        echo       event type: ${{ github.event_name }}
        echo      base branch: ${{ env.base_branch }}
        echo formatter branch: ${{ env.formatter_branch }}
    - uses: actions/checkout@v4
      with:
        submodules: recursive
        ref: ${{ env.base_branch }}
    - name: Set up Github CLI
      run: (command -V gh || sudo apt-get -y install gh) && gh --version
    - uses: julia-actions/setup-julia@v2
      with:
        version: '1'
    - name: Checkout branch
      run: git checkout -B "${{ env.formatter_branch }}"
    - uses: julia-actions/cache@v2
    - name: Install JuliaFormatter and format
      run: make autoformat
    - name: Create pull request with changes
      run: |
        if git diff --quiet ; then
          echo "No formatting changes were made"
          if q=`gh pr view --json state --template '{{.state}}'` && test "$q" = "OPEN"; then
            gh pr close "${{ env.formatter_branch }}" -d
          fi
        else
          git config user.email "41898282+github-actions[bot]@users.noreply.github.com"
          git config user.name "github-actions[bot]"
          git add -u
          git commit -m "$base_branch - Automatic JuliaFormatter.jl"
          git push -f -u origin "${{ env.formatter_branch }}"
          if q=`gh pr view --json state --template '{{.state}}'` && test "$q" != "MERGED"; then
            if test "$q" = "OPEN"; then
              gh pr view
            else
              gh pr reopen "${{ env.formatter_branch }}" || gh pr create -B "${{ env.base_branch }}" --fill
            fi
          else
            gh pr create -B "${{ env.base_branch }}" --fill
          fi
          exit 1
        fi
      env:
          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}