Skip tracking status in map-branches when -v flag is not supplied.

git_map_branches.py

 #!/usr/bin/env python
 # Copyright 2014 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.
 
 """Provides a short mapping of all the branches in your local repo, organized
 by their upstream ('tracking branch') layout.
 
 Example:
 origin/master
@@ skipping 13 matching lines @@
     upstream, then you will see this.
 """
 
 import argparse
 import collections
 import sys
 
 from third_party import colorama
 from third_party.colorama import Fore, Style
 
-from git_common import current_branch, upstream, tags, get_all_tracking_info
+from git_common import current_branch, upstream, tags, get_branches_info
 from git_common import get_git_version, MIN_UPSTREAM_TRACK_GIT_VERSION
 
 import git_cl
 
 DEFAULT_SEPARATOR = ' ' * 4
 
 
 class OutputManager(object):
   """Manages a number of OutputLines and formats them into aligned columns."""
 
@@ skipping 51 matching lines @@
       padding = (max_column_lengths[i] - len(data)) * ' '
       output_string += color + data + padding + separator
 
     return output_string.rstrip()
 
 
 class BranchMapper(object):
   """A class which constructs output representing the tree's branch structure.
 
   Attributes:
-    __tracking_info: a map of branches to their TrackingInfo objects which
+    __branches_info: a map of branches to their BranchesInfo objects which
       consist of the branch hash, upstream and ahead/behind status.
     __gone_branches: a set of upstreams which are not fetchable by git"""
 
   def __init__(self):
     self.verbosity = 0
     self.output = OutputManager()
-    self.__tracking_info = get_all_tracking_info()
     self.__gone_branches = set()
-    self.__roots = set()
+    self.__branches_info = None
+    self.__parent_map = collections.defaultdict(list)
+    self.__current_branch = None
+    self.__current_hash = None
+    self.__tag_set = None
+
+  def start(self):
+    self.__branches_info = get_branches_info(
+        include_tracking_status=self.verbosity >= 1)
+    roots = set()
 
     # A map of parents to a list of their children.
-    self.parent_map = collections.defaultdict(list)
-    for branch, branch_info in self.__tracking_info.iteritems():
+    for branch, branch_info in self.__branches_info.iteritems():
       if not branch_info:
         continue
 
       parent = branch_info.upstream
-      if parent and not self.__tracking_info[parent]:
+      if parent and not self.__branches_info[parent]:
         branch_upstream = upstream(branch)
         # If git can't find the upstream, mark the upstream as gone.
         if branch_upstream:
           parent = branch_upstream
         else:
           self.__gone_branches.add(parent)
-        # A parent that isn't in the tracking info is a root.
-        self.__roots.add(parent)
+        # A parent that isn't in the branches info is a root.
+        roots.add(parent)
 
-      self.parent_map[parent].append(branch)
+      self.__parent_map[parent].append(branch)
 
     self.__current_branch = current_branch()
-    self.__current_hash = self.__tracking_info[self.__current_branch].hash
+    self.__current_hash = self.__branches_info[self.__current_branch].hash
     self.__tag_set = tags()
 
-  def start(self):
-    for root in sorted(self.__roots):
+    for root in sorted(roots):
       self.__append_branch(root)
 
   def __is_invalid_parent(self, parent):
     return not parent or parent in self.__gone_branches
 
   def __color_for_branch(self, branch, branch_hash):
     if branch.startswith('origin'):
       color = Fore.RED
     elif self.__is_invalid_parent(branch) or branch in self.__tag_set:
       color = Fore.MAGENTA
     elif branch_hash == self.__current_hash:
       color = Fore.CYAN
     else:
       color = Fore.GREEN
 
     if branch_hash == self.__current_hash:
       color += Style.BRIGHT
     else:
       color += Style.NORMAL
 
     return color
 
   def __append_branch(self, branch, depth=0):
     """Recurses through the tree structure and appends an OutputLine to the
     OutputManager for each branch."""
-    branch_info = self.__tracking_info[branch]
+    branch_info = self.__branches_info[branch]
     branch_hash = branch_info.hash if branch_info else None
 
     line = OutputLine()
 
     # The branch name with appropriate indentation.
     suffix = ''
     if branch == self.__current_branch or (
         self.__current_branch == 'HEAD' and branch == self.__current_hash):
       suffix = ' *'
     branch_string = branch
@@ skipping 40 matching lines @@
       line.append(back_separator)
 
     # The Rietveld issue associated with the branch.
     if self.verbosity >= 2:
       none_text = '' if self.__is_invalid_parent(branch) else 'None'
       url = git_cl.Changelist(branchref=branch).GetIssueURL()
       line.append(url or none_text, color=Fore.BLUE if url else Fore.WHITE)
 
     self.output.append(line)
 
-    for child in sorted(self.parent_map.pop(branch, ())):
+    for child in sorted(self.__parent_map.pop(branch, ())):
       self.__append_branch(child, depth=depth + 1)
 
 
 def main(argv):
   colorama.init()
   if get_git_version() < MIN_UPSTREAM_TRACK_GIT_VERSION:
     print >> sys.stderr, (
         'This tool will not show all tracking information for git version '
         'earlier than ' +
         '.'.join(str(x) for x in MIN_UPSTREAM_TRACK_GIT_VERSION) +
         '. Please consider upgrading.')
 
   parser = argparse.ArgumentParser(
       description='Print a a tree of all branches parented by their upstreams')
   parser.add_argument('-v', action='count',
                       help='Display branch hash and Rietveld URL')
   parser.add_argument('--no-color', action='store_true', dest='nocolor',
                       help='Turn off colors.')
 
   opts = parser.parse_args(argv[1:])
 
   mapper = BranchMapper()
   mapper.verbosity = opts.v
   mapper.output.nocolor = opts.nocolor
   mapper.start()
   print mapper.output.as_formatted_string()
 
 if __name__ == '__main__':
   sys.exit(main(sys.argv))