action.yml

name: "Importmap Update"
description: "Dependabot-style automated dependency updates for Rails importmap-rails apps."
author: "thoughtbot"
branding:
  icon: "package"
  color: "red"

inputs:
  config-file:
    description: "Path to the YAML config inside the consuming repo."
    required: false
    default: ".github/importmap-updates.yml"
  github-token:
    description: "Token used by Octokit to list, open, edit, and close PRs."
    required: true
  base-branch:
    description: "Branch to base PRs against."
    required: false
    default: "main"
  dry-run:
    description: "When 'true', run end-to-end but skip all side effects (no commits, pushes, or PR operations)."
    required: false
    default: "false"
  ruby-version:
    description: "Ruby version to set up. Defaults to the consuming repo's .ruby-version."
    required: false
  author-name:
    description: "Git author name for commits."
    required: false
    default: "github-actions[bot]"
  author-email:
    description: "Git author email for commits."
    required: false
    default: "github-actions[bot]@users.noreply.github.com"
  rails-root:
    description: "Directory containing the Rails app to run against. Useful when the app lives in a subdirectory or for integration testing."
    required: false
    default: "${{ github.workspace }}"

runs:
  using: "composite"
  steps:
    - name: Save importmap outputs
      shell: bash
      working-directory: ${{ inputs.rails-root }}
      run: |
        bin/importmap audit 2>&1 | tee /tmp/importmap-audit.txt || true
        bin/importmap outdated 2>&1 | tee /tmp/importmap-outdated.txt || true

    - name: Run importmap-update
      shell: bash
      working-directory: ${{ github.action_path }}
      env:
        BUNDLE_GEMFILE:           ${{ github.action_path }}/Gemfile
        RAILS_ROOT:               ${{ inputs.rails-root }}
        GITHUB_TOKEN:             ${{ inputs.github-token }}
        GITHUB_REPOSITORY:        ${{ github.repository }}
        INPUT_CONFIG_FILE:        ${{ inputs.config-file }}
        IMPORTMAP_BASE_BRANCH:    ${{ inputs.base-branch }}
        IMPORTMAP_DRY_RUN:        ${{ inputs.dry-run }}
        IMPORTMAP_AUTHOR_NAME:    ${{ inputs.author-name }}
        IMPORTMAP_AUTHOR_EMAIL:   ${{ inputs.author-email }}
      run: |
        bundle install
        bundle exec exe/importmap-update \
          --outdated-file /tmp/importmap-outdated.txt \
          --audit-file /tmp/importmap-audit.txt \
          2>&1 | tee "${IMPORTMAP_RUN_LOG:-/dev/null}"