Class: Depot::Backends::Deb

Inherits:
Object
  • Object
show all
Includes:
Support
Defined in:
lib/depot/backends/deb.rb

Instance Method Summary collapse

Constructor Details

#initialize(store:) ⇒ Deb

Returns a new instance of Deb.



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# File 'lib/depot/backends/deb.rb', line 16

def initialize(store:)
  @store = store
end

Instance Method Details

#install(inspection, settings: {}) ⇒ Object 



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# File 'lib/depot/backends/deb.rb', line 20

def install(inspection, settings: {})
  return Result.err("Deb backend cannot install #{inspection.format}") unless inspection.deb?

  Paths.ensure_base_dirs
  package = DebPackage.new(inspection.input)
  return Result.err("Invalid Debian package.") unless package.valid?

  fields = package.control_fields
  app_id = Util.unique_id(Util.slug("#{fields["Package"] || inspection.display_name}-#{fields["Version"]}"), @store.ids)
  app_dir = File.join(Paths.apps_dir, app_id)
  root_dir = File.join(app_dir, "root")
  FileUtils.mkdir_p(app_dir)

  package.extract_data_to(root_dir)

  desktop_source = package.primary_desktop_entry
  display_name = desktop_name(package, desktop_source) || fields["Package"] || inspection.display_name
  preferred_icon = desktop_source && package.read_data_entry(desktop_source)[/^Icon=(.+)$/, 1]&.strip
  icon_name = install_icons(package, root_dir, app_id, desktop_source, preferred_icon)
  executable = executable_for(package, root_dir, desktop_source)

  desktop_path = nil
  if settings.fetch("desktop_integration", true) && desktop_source
    desktop_path = File.join(Paths.desktop_entries_dir, "depot-#{app_id}.desktop")
    File.write(desktop_path, rewrite_desktop(package.read_data_entry(desktop_source), root_dir, app_id, display_name, icon_name))
  end

  manifest = {
    "schema_version" => 1,
    "app_id" => app_id,
    "display_name" => display_name,
    "default_display_name" => display_name,
    "backend" => "deb-portable",
    "install_source" => File.expand_path(inspection.input),
    "source_sha256" => inspection.sha256,
    "source_size" => inspection.size,
    "installed_executable" => executable,
    "desktop_entry" => desktop_path,
    "icons" => installed_icon_paths(app_id, preferred_icon),
    "default_icon_name" => icon_name,
    "created_files" => [desktop_path].compact + installed_icon_paths(app_id, preferred_icon),
    "created_dirs" => [app_dir],
    "installed_at" => Time.now.utc.iso8601,
    "package" => fields.slice("Package", "Version", "Architecture", "Maintainer", "Depends", "Homepage"),
    "desktop_source" => desktop_source,
    "portable_root" => root_dir,
    "permissions" => {
      "executable" => executable ? File.executable?(executable) : false,
      "requires_sudo" => false,
      "writes_outside_depot" => false,
      "notes" => ["Debian package extracted user-locally. Maintainer scripts were not executed."]
    },
    "sandbox" => {
      "enabled" => false,
      "preference" => settings.fetch("sandbox_preference", "ask")
    },
    "update" => {
      "mechanism" => "manual",
      "source" => File.expand_path(inspection.input)
    },
    "warnings" => inspection.warnings + portable_warnings(package)
  }

  manifest_path = @store.write(manifest)
  refresh_desktop_caches if settings.fetch("desktop_integration", true)
  Result.ok(manifest.merge("manifest_path" => manifest_path), warnings: manifest["warnings"])
rescue DebPackage::FormatError, SystemCallError => e
  Result.err("Deb install failed: #{e.message}")
end