name: 'Git Dirty Check'
description: >-
  Check whether any Git-worthy changes have been made to the checkout.
runs:
  using: "composite"
  steps:
    - name: "Dirty git Check"
      shell: bash
      # On Windows, `git status` doesn't record no-op
      # line-ending changes in to the index, so things show as
      # dirty even if they aren't.  Trying to `add` them does
      # trigger the appropriate index update.  So do a `git add`
      # *before* the `git status --porcelain` to work around
      # Windows being terrible; we'd otherwise put the `git add`
      # inside of the `if` block to help generate better output
      # for `git diff`.
      run: |
        git add .
        if [[ -n "$(git status --porcelain)" ]]; then
           PAGER= git diff --cached
           exit 1
        fi