Add progress indicator for sync

Review URL: http://codereview.chromium.org/564051

git-svn-id: svn://svn.chromium.org/chrome/trunk/tools/depot_tools@38104 0039d316-1c4b-4281-b951-d872f2087c98

gclient.py

@@ -72,6 +72,7 @@ import breakpad
 
 import gclient_scm
 import gclient_utils
+from third_party.repo.progress import Progress
 
 # default help text
 DEFAULT_USAGE_TEXT = (
@@ -684,7 +685,11 @@ class GClient(object):
     deps_to_process.sort()
 
     # First pass for direct dependencies.
+    if command == 'update' and not self._options.verbose:
+      pm = Progress('Syncing projects', len(deps_to_process))
     for d in deps_to_process:
+      if command == 'update' and not self._options.verbose:
+        pm.update()
       if type(deps[d]) == str:
         url = deps[d]
         entries[d] = url
@@ -693,6 +698,8 @@ class GClient(object):
           scm = gclient_scm.CreateSCM(url, self._root_dir, d)
           scm.RunCommand(command, self._options, args, file_list)
           self._options.revision = None
+    if command == 'update' and not self._options.verbose:
+      pm.end()
 
     # Second pass for inherited deps (via the From keyword)
     for d in deps_to_process:

third_party/repo/README.chromium

+Third party files from the repo tool.
+
+See the project homepage at:
+http://code.google.com/p/git-repo/

third_party/repo/progress.py

+#
+# Copyright (C) 2009 The Android Open Source Project
+#
+# 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
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+import sys
+from time import time
+
+class Progress(object):
+  def __init__(self, title, total=0):
+    self._title = title
+    self._total = total
+    self._done = 0
+    self._lastp = -1
+    self._start = time()
+    self._show = False
+
+  def update(self, inc=1):
+    self._done += inc
+
+    if not self._show:
+      if 0.5 <= time() - self._start:
+        self._show = True
+      else:
+        return
+
+    if self._total <= 0:
+      sys.stderr.write('\r%s: %d, ' % (
+        self._title,
+        self._done))
+      sys.stderr.flush()
+    else:
+      p = (100 * self._done) / self._total
+
+      if self._lastp != p:
+        self._lastp = p
+        sys.stderr.write('\r%s: %3d%% (%d/%d)  ' % (
+          self._title,
+          p,
+          self._done,
+          self._total))
+        sys.stderr.flush()
+
+  def end(self):
+    if not self._show:
+      return
+
+    if self._total <= 0:
+      sys.stderr.write('\r%s: %d, done.  \n' % (
+        self._title,
+        self._done))
+      sys.stderr.flush()
+    else:
+      p = (100 * self._done) / self._total
+      sys.stderr.write('\r%s: %3d%% (%d/%d), done.  \n' % (
+        self._title,
+        p,
+        self._done,
+        self._total))
+      sys.stderr.flush()