action.yml

name: Run `prettier` on a branch
description: This action runs `prettier` on a branch.
inputs:
  branch:
    description: Name of branch to checkout and write changes to.
    required: true
  token:
    default: ${{ github.token }}
    description: Used to open the PR.
    required: false
runs:
  using: composite
  steps:
    - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
      with:
        persist-credentials: false
        ref: ${{ inputs.branch }}
    - name: Update `make docs` procedure
      run: |
        set -euf -o pipefail

        if [[ -n "${RUNNER_DEBUG+x}" ]]; then
          set -x
        fi

        # commit adds and commits the updated files as the Grafanabot GitHub user.
        function commit {
          git add .
          git config --local user.email bot@grafana.com
          git config --local user.name grafanabot
          git commit --message 'Run `prettier`'
        }

        npx prettier -w .

        if ! git diff --exit-code; then
          commit
          git push origin
        fi
      shell: bash