Move the changelist files into a subdirectory for cached files implementation.

Review URL: http://codereview.chromium.org/115612

git-svn-id: svn://svn.chromium.org/chrome/trunk/tools/depot_tools@16597 0039d316-1c4b-4281-b951-d872f2087c98

gcl.py

@@ -10,6 +10,7 @@ import getpass
 import os
 import random
 import re
+import shutil
 import string
 import subprocess
 import sys
@@ -21,7 +22,7 @@ import xml.dom.minidom
 # gcl now depends on gclient.
 import gclient
 
-__version__ = '1.0'
+__version__ = '1.1'
 
 
 CODEREVIEW_SETTINGS = {
@@ -34,7 +35,6 @@ CODEREVIEW_SETTINGS = {
 # globals that store the root of the current repository and the directory where
 # we store information about changelists.
 repository_root = ""
-gcl_info_dir = ""
 
 # Filename where we store repository specific information for gcl.
 CODEREVIEW_SETTINGS_FILE = "codereview.settings"
@@ -110,10 +110,12 @@ def GetRepositoryRoot():
 
 def GetInfoDir():
   """Returns the directory where gcl info files are stored."""
-  global gcl_info_dir
-  if not gcl_info_dir:
-    gcl_info_dir = os.path.join(GetRepositoryRoot(), '.svn', 'gcl_info')
-  return gcl_info_dir
+  return os.path.join(GetRepositoryRoot(), '.svn', 'gcl_info')
+
+
+def GetChangesDir():
+  """Returns the directory where gcl change files are stored."""
+  return os.path.join(GetInfoDir(), 'changes')
 
 
 def GetCodeReviewSetting(key):
@@ -373,7 +375,7 @@ def GetChangelistInfoFile(changename):
   """Returns the file that stores information about a changelist."""
   if not changename or re.search(r'[^\w-]', changename):
     ErrorExit("Invalid changelist name: " + changename)
-  return os.path.join(GetInfoDir(), changename)
+  return os.path.join(GetChangesDir(), changename)
 
 
 def LoadChangelistInfoForMultiple(changenames, fail_on_not_found=True,
@@ -442,7 +444,7 @@ def LoadChangelistInfo(changename, fail_on_not_found=True,
 
 def GetCLs():
   """Returns a list of all the changelists in this repository."""
-  cls = os.listdir(GetInfoDir())
+  cls = os.listdir(GetChangesDir())
   if CODEREVIEW_SETTINGS_FILE in cls:
     cls.remove(CODEREVIEW_SETTINGS_FILE)
   return cls
@@ -1020,10 +1022,19 @@ def main(argv=None):
     Help()
     return 0;
 
-  # Create the directory where we store information about changelists if it
+  # Create the directories where we store information about changelists if it
   # doesn't exist.
   if not os.path.exists(GetInfoDir()):
     os.mkdir(GetInfoDir())
+  if not os.path.exists(GetChangesDir()):
+    os.mkdir(GetChangesDir())
+    # For smooth upgrade support, move the files in GetInfoDir() to
+    # GetChangesDir().
+    # TODO(maruel): Remove this code in August 2009.
+    for file in os.listdir(unicode(GetInfoDir())):
+      file_path = os.path.join(unicode(GetInfoDir()), file)
+      if os.path.isfile(file_path) and file != CODEREVIEW_SETTINGS_FILE:
+        shutil.move(file_path, GetChangesDir())
 
   # Commands that don't require an argument.
   command = argv[1]

tests/gcl_unittest.py

@@ -54,7 +54,8 @@ class GclUnittest(GclTestsBase):
     members = [
       'CODEREVIEW_SETTINGS', 'CODEREVIEW_SETTINGS_FILE', 'CPP_EXTENSIONS',
       'Change', 'ChangeInfo', 'Changes', 'Commit', 'DoPresubmitChecks',
-      'ErrorExit', 'GenerateChangeName', 'GenerateDiff', 'GetCLs',
+      'ErrorExit', 'GenerateChangeName', 'GenerateDiff', 'GetChangesDir',
+      'GetCLs',
       'GetChangelistInfoFile', 'GetCodeReviewSetting', 'GetEditor',
       'GetFilesNotInCL', 'GetInfoDir', 'GetIssueDescription',
       'GetModifiedFiles', 'GetRepositoryRoot',
@@ -63,10 +64,10 @@ class GclUnittest(GclTestsBase):
       'MISSING_TEST_MSG', 'Opened', 'PresubmitCL', 'ReadFile',
       'RunShell',
       'RunShellWithReturnCode', 'SEPARATOR', 'SendToRietveld', 'TryChange',
-      'UnknownFiles', 'UploadCL', 'Warn', 'WriteFile', 'gclient',
-      'gcl_info_dir', 'getpass', 'main', 'os', 'random', 're', 'read_gcl_info',
-      'repository_root', 'string', 'subprocess', 'sys', 'tempfile', 'upload',
-      'urllib2', 'xml',
+      'UnknownFiles', 'UploadCL', 'Warn', 'WriteFile',
+      'gclient', 'getpass', 'main', 'os', 'random', 're', 'read_gcl_info',
+      'repository_root', 'shutil', 'string', 'subprocess', 'sys', 'tempfile',
+      'upload', 'urllib2', 'xml',
     ]
     # If this test fails, you should add the relevant test.
     self.compareMembers(gcl, members)