Make use of md5_check within finalize_apk.py

build/android/gyp/finalize_apk.py

 #!/usr/bin/env python
 #
 # Copyright 2013 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 """Signs and zipaligns APK.
 
 """
 
 import optparse
@@ skipping 47 matching lines @@
 def AlignApk(zipalign_path, unaligned_path, final_path):
   align_cmd = [
       zipalign_path,
       '-f', '4',  # 4 bytes
       unaligned_path,
       final_path,
       ]
   build_utils.CheckOutput(align_cmd)
 
 
-def main():
+def main(args):
+  args = build_utils.ExpandFileArgs(args)
+
   parser = optparse.OptionParser()
   build_utils.AddDepfileOption(parser)
 
   parser.add_option('--rezip-apk-jar-path',
                     help='Path to the RezipApk jar file.')
   parser.add_option('--zipalign-path', help='Path to the zipalign tool.')
   parser.add_option('--unsigned-apk-path', help='Path to input unsigned APK.')
   parser.add_option('--final-apk-path',
       help='Path to output signed and aligned APK.')
   parser.add_option('--key-path', help='Path to keystore for signing.')
   parser.add_option('--key-passwd', help='Keystore password')
   parser.add_option('--key-name', help='Keystore name')
   parser.add_option('--stamp', help='Path to touch on success.')
   parser.add_option('--load-library-from-zip', type='int',
       help='If non-zero, build the APK such that the library can be loaded ' +
            'directly from the zip file using the crazy linker. The library ' +
            'will be renamed, uncompressed and page aligned.')
 
   options, _ = parser.parse_args()
 
-  FinalizeApk(options)
+  input_paths = [
+    options.unsigned_apk_path,
+    options.key_path,
+  ]
 
-  if options.depfile:
-    build_utils.WriteDepfile(
-        options.depfile, build_utils.GetPythonDependencies())
+  if options.load_library_from_zip:
+    input_paths.append(options.rezip_apk_jar_path)
 
-  if options.stamp:
-    build_utils.Touch(options.stamp)
+  input_strings = [
+    options.load_library_from_zip,
+    options.key_name,
+    options.key_passwd,
+  ]
+
+  build_utils.CallAndWriteDepfileIfStale(
+      lambda: FinalizeApk(options),
+      options,
+      record_path=options.unsigned_apk_path + '.finalize.md5.stamp',
+      input_paths=input_paths,
+      input_strings=input_strings,
+      output_paths=[options.final_apk_path])
 
 
 def FinalizeApk(options):
   with tempfile.NamedTemporaryFile() as signed_apk_path_tmp, \
       tempfile.NamedTemporaryFile() as apk_to_sign_tmp:
 
     if options.load_library_from_zip:
       # We alter the name of the library so that the Android Package Manager
       # does not extract it into a separate file. This must be done before
       # signing, as the filename is part of the signed manifest. At the same
@@ skipping 15 matching lines @@
       # order which means the library will be back at its page aligned location.
       # This step also aligns uncompressed items to 4 bytes.
       ReorderAndAlignApk(
           options.rezip_apk_jar_path, signed_apk_path, options.final_apk_path)
     else:
       # Align uncompressed items to 4 bytes
       AlignApk(options.zipalign_path, signed_apk_path, options.final_apk_path)
 
 
 if __name__ == '__main__':
-  sys.exit(main())
+  sys.exit(main(sys.argv[1:]))