Class: Dependabot::Gradle::FileUpdater::LockfileUpdater

Inherits:
Object
  • Object
show all
Extended by:
T::Sig
Defined in:
lib/dependabot/gradle/file_updater/lockfile_updater.rb

Constant Summary collapse

INIT_SCRIPT_TASK_NAME = 
T.let("dependabotResolveAll", String)

Instance Method Summary collapse

Constructor Details

#initialize(dependency_files:) ⇒ LockfileUpdater

Returns a new instance of LockfileUpdater.



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# File 'lib/dependabot/gradle/file_updater/lockfile_updater.rb', line 19

def initialize(dependency_files:)
  @dependency_files = dependency_files
end

Instance Method Details

#determine_root_dir(build_file:) ⇒ Object 



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# File 'lib/dependabot/gradle/file_updater/lockfile_updater.rb', line 64

def determine_root_dir(build_file:)
  settings_file = find_settings_file(build_file)
  return normalized_directory_path(settings_file) if settings_file

  file_path = normalized_file_path(build_file)
  return normalize_path(File.dirname(file_path, 2)) if file_path.end_with?("/gradle/libs.versions.toml")

  normalized_directory_path(build_file)
end

#lockfiles_for_root(root_dir) ⇒ Object 



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# File 'lib/dependabot/gradle/file_updater/lockfile_updater.rb', line 82

def lockfiles_for_root(root_dir)
  sub_build_roots = sub_build_roots_for(root_dir)

  dependency_files.select do |file|
    next false unless file.name.end_with?(".lockfile")

    file_path = normalized_file_path(file)
    next false unless path_under_root?(file_path, root_dir)

    sub_build_roots.none? { |sub_root| file_path.start_with?("#{sub_root}/") || file_path == sub_root }
  end
end

#normalized_directory_path(file) ⇒ Object 



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# File 'lib/dependabot/gradle/file_updater/lockfile_updater.rb', line 75

def normalized_directory_path(file)
  file_path = normalized_file_path(file)
  dir = File.dirname(file_path)
  dir == "/" ? "/" : normalize_path(dir)
end

#update_lockfiles(build_file) ⇒ Object 



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# File 'lib/dependabot/gradle/file_updater/lockfile_updater.rb', line 24

def update_lockfiles(build_file)
  root_dir = determine_root_dir(build_file: build_file)
  lockfiles = lockfiles_for_root(root_dir)

  return dependency_files unless lockfiles.any?

  updated_files = dependency_files.dup

  SharedHelpers.in_a_temporary_directory do |temp_dir|
    populate_temp_directory(temp_dir)

    cwd = File.join(temp_dir, root_dir == "/" ? "" : root_dir.delete_prefix("/"))
    FileUtils.mkdir_p(cwd)

    write_properties_file(File.join(cwd, "gradle.properties"))

    init_script_path = File.join(cwd, "dependabot-locking.init.gradle")
    write_init_script(init_script_path)

    command_parts = [
      "gradle",
      "--init-script", init_script_path,
      INIT_SCRIPT_TASK_NAME,
      "--write-locks",
      "--no-daemon"
    ]
    command = Shellwords.join(command_parts)

    SharedHelpers.run_shell_command(command, cwd: cwd)

    update_lockfiles_content(temp_dir, lockfiles, updated_files)
  rescue SharedHelpers::HelperSubprocessFailed => e
    Dependabot.logger.error("Failed to update lockfiles: #{e.message}")
    return updated_files
  end

  updated_files
end

#update_lockfiles_content(temp_dir, lockfiles, updated_lockfiles) ⇒ Object 



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# File 'lib/dependabot/gradle/file_updater/lockfile_updater.rb', line 102

def update_lockfiles_content(temp_dir, lockfiles, updated_lockfiles)
  lockfiles.each do |file|
    # Handle "/" directory as root - File.join treats "/" as absolute path and ignores prior components
    relative_dir = file.directory == "/" ? "" : file.directory
    lockfile_path = File.join(temp_dir, relative_dir, file.name)

    unless File.exist?(lockfile_path)
      Dependabot.logger.warn(
        "Lockfile #{file.name} was not regenerated by Gradle after a successful lockfile update run. " \
        "Preserving existing lockfile."
      )
      next
    end

    content = File.read(lockfile_path)
    next if content == file.content

    tmp_file = file.dup
    tmp_file.content = content

    index = updated_lockfiles.find_index { |f| f.name == file.name }
    if index
      updated_lockfiles[index] = tmp_file
    else
      updated_lockfiles << tmp_file
    end
  end
end