[depot_tools] Find, upload and apply patchset dependencies

third_party/upload.py

 #!/usr/bin/env python
 # coding: utf-8
 #
 # Copyright 2007 Google Inc.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
 # You may obtain a copy of the License at
 #
 #     http://www.apache.org/licenses/LICENSE-2.0
@@ skipping 617 matching lines @@
                  help="Base URL path for files (listed as \"Base URL\" when "
                  "viewing issue).  If omitted, will be guessed automatically "
                  "for SVN repos and left blank for others.")
 group.add_option("--target_ref", action="store", dest="target_ref",
                  default=None,
                  help="The target ref that is transitively tracked by the "
                  "local branch this patch comes from.")
 parser.add_option("--cq_dry_run", action="store_true",
                   help="Send the patchset to do a CQ dry run right after "
                        "upload.")
+parser.add_option("--depends_on_patchset", action="store",
+                  dest="depends_on_patchset",
+                  help="The uploaded patchset this patchset depends on. The "
+                       "value will be in this format- issue_num:patchset_num")
 group.add_option("--download_base", action="store_true",
                  dest="download_base", default=False,
                  help="Base files will be downloaded by the server "
                  "(side-by-side diffs may not work on files with CRs).")
 group.add_option("--rev", action="store", dest="revision",
                  metavar="REV", default=None,
                  help="Base revision/branch/tree to diff against. Use "
                       "rev1:rev2 range to review already committed changeset.")
 group.add_option("--send_mail", action="store_true",
                  dest="send_mail", default=False,
@@ skipping 1781 matching lines @@
     for cc in options.cc.split(','):
       CheckReviewer(cc)
     form_fields.append(("cc", options.cc))
   if options.project:
     form_fields.append(("project", options.project))
   if options.target_ref:
     form_fields.append(("target_ref", options.target_ref))
   if options.cq_dry_run:
     form_fields.append(("cq_dry_run", "1"))
     form_fields.append(("commit", "1"))
+  if options.depends_on_patchset:
+    form_fields.append(("depends_on_patchset", options.depends_on_patchset))
 
   # Process --message, --title and --file.
   message = options.message or ""
   title = options.title or ""
   if options.file:
     if options.message:
       ErrorExit("Can't specify both message and message file options")
     file = open(options.file, 'r')
     message = file.read()
     file.close()
@@ skipping 94 matching lines @@
     print
     StatusUpdate("Interrupted.")
     sys.exit(1)
   except auth.AuthenticationError as e:
     print >> sys.stderr, e
     sys.exit(1)
 
 
 if __name__ == "__main__":
   main()