26 def ApplyPatch(source_directory, patch_name):  argument
30                         cwd=source_directory)
44   def PreBuild(self, source_directory, env, custom_bin_dir):  argument
47   def PostBuild(self, source_directory, env, custom_bin_dir):  argument
53   def PostDownload(self, source_directory):  argument
69     source_directory = self.apt_version.fetch_source(download_directory)
71     self.PostDownload(source_directory)
72     return source_directory
74   def Build(self, source_directory, env, custom_bin_dir):  argument
76     self.PreBuild(source_directory, env, custom_bin_dir)
79         cwd=source_directory, env=env)
80     self.PostBuild(source_directory, env, custom_bin_dir)