GitHub Action for dotnet-format

Run dotnet-format v3 as part of your workflow to report formatting errors or auto fix violations as part of your pull request workflow.

Usage

Running on push.

name: Format check on push
on: push
jobs:
  dotnet-format:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout repo
        uses: actions/checkout@v2

      - name: Add dotnet-format problem matcher
        uses: xt0rted/dotnet-format-problem-matcher@v1

      - name: Restore dotnet tools
        uses: xt0rted/dotnet-tool-restore@v1

      - name: Run dotnet format
        uses: xt0rted/dotnet-format@v1

Running on pull_request.

name: Format check on pull request
on: pull_request
jobs:
  dotnet-format:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout repo
        uses: actions/checkout@v2

      - name: Add dotnet-format problem matcher
        uses: xt0rted/dotnet-format-problem-matcher@v1

      - name: Restore dotnet tools
        uses: xt0rted/dotnet-tool-restore@v1

      - name: Run dotnet format
        uses: xt0rted/dotnet-format@v1
        with:
          only-changed-files: "true"

Running on demand by pull request comment, triggered by the text /dotnet format.

ℹ The provided GITHUB_TOKEN will not trigger additional workflows. To push fixes back to the pull request branch you'll need to setup a secret with a Personal Access Token that has the repo scope.

name: Format on slash command
on:
  issue_comment:
    types: created
jobs:
  dotnet-format:
    runs-on: ubuntu-latest
    steps:
      - name: Check for command
        id: command
        uses: xt0rted/slash-command-action@v1
        continue-on-error: true
        with:
          command: dotnet
          reaction-type: "eyes"

      - name: Get branch info
        if: steps.command.outputs.command-name
        id: comment-branch
        uses: xt0rted/pull-request-comment-branch@v1
        with:
          repo_token: ${{ secrets.GITHUB_TOKEN }}

      - name: Checkout repo
        if: steps.command.outputs.command-name
        uses: actions/checkout@v2
        with:
          ref: ${{ steps.comment-branch.outputs.ref }}
          persist-credentials: false

      - name: Restore dotnet tools
        if: steps.command.outputs.command-name
        uses: xt0rted/dotnet-tool-restore@v1

      - name: Run dotnet format
        if: steps.command.outputs.command-name && steps.command.outputs.command-arguments == 'format'
        id: format
        uses: xt0rted/dotnet-format@v1
        with:
          action: "fix"
          only-changed-files: true

      - name: Commit files
        if: steps.command.outputs.command-name && steps.command.outputs.command-arguments == 'format' && steps.format.outputs.has-changes == 'true'
        run: |
          git config --local user.name "github-actions[bot]"
          git config --local user.email "41898282+github-actions[bot]@users.noreply.github.com"
          git commit -a -m 'Automated dotnet-format update

          Co-authored-by: ${{ github.event.comment.user.login }} <${{ github.event.comment.user.id }}+${{ github.event.comment.user.login }}@users.noreply.github.com>'

      - name: Push changes
        if: steps.command.outputs.command-name && steps.command.outputs.command-arguments == 'format' && steps.format.outputs.has-changes == 'true'
        uses: ad-m/github-push-action@v0.5.0
        with:
          branch: ${{ steps.comment-branch.outputs.ref }}
          github_token: ${{ secrets.PERSONAL_ACCESS_TOKEN }}

Token Permissions

If your repository is using token permissions, and you want to check only changed files, you'll need to set pull-request: read on either the workflow or the job.

Workflow Config

on: pull_request
permissions:
  pull-requests: read
jobs:
  dotnet-format:
    runs-on: ubuntu-latest
    steps:
      - name: Run dotnet format
        uses: xt0rted/dotnet-format@v1
        with:
          only-changed-files: "true"

Job Config

on: pull_request
jobs:
  dotnet-format:
    runs-on: ubuntu-latest
    permissions:
      pull-requests: read
    steps:
      - name: Run dotnet format
        uses: xt0rted/dotnet-format@v1
        with:
          only-changed-files: "true"

Options

Required

Name	Allowed values	Description
repo-token	GITHUB_TOKEN (default) or PAT	GITHUB_TOKEN token or a repo scoped PAT.
version	3 (default)	Version of dotnet-format to use.
action	check (default), fix	Primary action dotnet-format should perform.

Optional

Name	Allowed values	Description
only-changed-files	true, false (default)	Only changed files in the current pull request should be formatted.
fail-fast	true (default), false	The job should fail if there's a formatting error. Only used with the check action.

Outputs

Name	Description
has-changes	If any files were found to have violations or had fixes applied. Will be a string value of true or false.

License

The scripts and documentation in this project are released under the MIT License