action.yml

name: 'dotnet-format on Pull Request'
description: 'Run dotnet-format on Pull Request'
author: 'tsubakimoto'
branding:
  icon: 'check-circle'
  color: 'blue'
inputs:
  base-branch:
    description: 'Base branch to compare against'
    required: true
    default: 'main'
  project-path:
    description: 'Path to the project to format'
    required: true
  verbosity:
    description: 'Verbosity of the output'
    required: false
    default: 'normal'
  github-token:
    description: 'GitHub token'
    required: true
outputs:
  head-branch:
    description: 'Head branch to compare against'
    value: ${{ steps.commit.outputs.head-branch-name }}
  changed:
    description: 'Whether there are any changes'
    value: ${{ steps.diff.outputs.changed }}
  pull-request-url:
    description: 'URL of the pull request'
    value: ${{ steps.pr.outputs.url }}
runs:
  using: 'composite'
  steps:
    - name: Format source
      id: format
      run: |
        dotnet format ${{ inputs.project-path }} --verbosity ${{ inputs.verbosity }}
      shell: bash
    - name: Check if there are any changes
      id: diff
      run: |
        git diff --quiet . || echo "changed=true" >> $GITHUB_OUTPUT
      shell: bash
    - name: Commit changes
      if: steps.diff.outputs.changed == 'true'
      id: commit
      run: |
        HEAD_BRANCH=dotnet-format-${{ inputs.base-branch }}
        git checkout -b $HEAD_BRANCH
        git config user.name github-actions[bot]
        git config user.email 41898282+github-actions[bot]@users.noreply.github.com
        git add .
        git commit -m "[bot] Auto formatted"
        git push --set-upstream origin $HEAD_BRANCH
        echo "head-branch-name: $HEAD_BRANCH"
        echo "head-branch-name=$HEAD_BRANCH" >> $GITHUB_OUTPUT
      shell: bash
      env:
        GITHUB_TOKEN: ${{ inputs.github-token }}
    - name: Create a pull request
      id: pr
      run: |
        BASE_BRANCH=${{ inputs.base-branch }}
        HEAD_BRANCH=${{ steps.commit.outputs.head-branch-name }}
        TITLE="Auto format on $BASE_BRANCH"
        url=$(gh pr create \
          --base $BASE_BRANCH \
          --head $HEAD_BRANCH \
          --title "$TITLE" \
          --body "$TITLE")
        echo "Successfully created pull request: $url"
        echo "url=$url" >> $GITHUB_OUTPUT
      shell: bash
      env:
        GH_TOKEN: ${{ inputs.github-token }}