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"
  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:
    - id: run-importmaps
      name: Find outdated packages
      shell: bash
      working-directory: ${{ inputs.rails-root }}
      run: |
        AUDIT_OUTPUT=$(bin/importmap audit 2>&1 || true)
        OUTDATED_OUTPUT=$(bin/importmap outdated 2>&1 || true)

        echo "## Importmap Update" >> $GITHUB_STEP_SUMMARY
        echo "" >> $GITHUB_STEP_SUMMARY
        echo "### Vulnerabilities" >> $GITHUB_STEP_SUMMARY

        echo "$AUDIT_OUTPUT" >> $GITHUB_STEP_SUMMARY

        echo "" >> $GITHUB_STEP_SUMMARY
        echo "### Outdated packages" >> $GITHUB_STEP_SUMMARY
        echo "$OUTDATED_OUTPUT" >> $GITHUB_STEP_SUMMARY

        {
          echo 'importmap-audit<<IMPORTMAP_AUDIT_OUTPUT'
          echo "$AUDIT_OUTPUT"
          echo 'IMPORTMAP_AUDIT_OUTPUT'
        } >> "$GITHUB_OUTPUT"

        {
          echo 'importmap-outdated<<IMPORTMAP_OUTDATED_OUTPUT'
          echo "$OUTDATED_OUTPUT"
          echo 'IMPORTMAP_OUTDATED_OUTPUT'
        } >> "$GITHUB_OUTPUT"

    - id: run-importmaps-update
      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 }}
        IMPORTMAP_OUTDATED_OUTPUT: ${{ steps.run-importmaps.outputs.importmap-outdated }}
        IMPORTMAP_AUDIT_OUTPUT:    ${{ steps.run-importmaps.outputs.importmap-audit }}
      run: |
        bundle install
        bundle exec exe/importmap-update 2>&1 | tee "${IMPORTMAP_RUN_LOG:-/dev/null}"