1 files changed, 42 insertions, 3 deletions

diff --git a/repo b/repo
index bf8fa3dc..b7d8024f 100755
--- a/repo
+++ b/repo
@@ -108,7 +108,7 @@ S_repo = 'repo'                 # special repo repository
 S_manifests = 'manifests'       # special manifest repository
 REPO_MAIN = S_repo + '/main.py' # main script
 MIN_PYTHON_VERSION = (2, 6)     # minimum supported python version
-GITC_MANIFEST_DIR = '/usr/local/google/gitc'
+GITC_CONFIG_FILE = '/gitc/.config'
 
 
 import errno
@@ -214,6 +214,7 @@ group.add_option('--config-name',
                  help='Always prompt for name/e-mail')
 
 def _GitcInitOptions(init_optparse):
+  init_optparse.set_usage("repo gitc-init -u url -c client [options]")
   g = init_optparse.add_option_group('GITC options')
   g.add_option('-f', '--manifest-file',
                dest='manifest_file',
@@ -222,6 +223,21 @@ def _GitcInitOptions(init_optparse):
                dest='gitc_client',
                help='The name for the new gitc_client instance.')
 
+_gitc_manifest_dir = None
+def get_gitc_manifest_dir():
+  global _gitc_manifest_dir
+  if _gitc_manifest_dir is None:
+    _gitc_manifest_dir = ''
+    try:
+      with open(GITC_CONFIG_FILE, 'r') as gitc_config:
+        for line in gitc_config:
+          match = re.match('gitc_dir=(?P<gitc_manifest_dir>.*)', line)
+          if match:
+            _gitc_manifest_dir = match.group('gitc_manifest_dir')
+    except IOError:
+      pass
+  return _gitc_manifest_dir
+
 class CloneFailure(Exception):
   """Indicate the remote clone of repo itself failed.
   """
@@ -255,7 +271,15 @@ def _Init(args, gitc_init=False):
 
   try:
     if gitc_init:
-      client_dir = os.path.join(GITC_MANIFEST_DIR, opt.gitc_client)
+      gitc_manifest_dir = get_gitc_manifest_dir()
+      if not gitc_manifest_dir:
+        _print('fatal: GITC filesystem is not available. Exiting...',
+               file=sys.stderr)
+        sys.exit(1)
+      if not opt.gitc_client:
+        _print('fatal: GITC client (-c) is required.', file=sys.stderr)
+        sys.exit(1)
+      client_dir = os.path.join(gitc_manifest_dir, opt.gitc_client)
       if not os.path.exists(client_dir):
         os.makedirs(client_dir)
       os.chdir(client_dir)
@@ -661,6 +685,10 @@ def _ParseArguments(args):
 
 
 def _Usage():
+  gitc_usage = ""
+  if get_gitc_manifest_dir():
+    gitc_usage = "  gitc-init Initialize a GITC Client.\n"
+
   _print(
 """usage: repo COMMAND [ARGS]
 
@@ -669,7 +697,8 @@ repo is not yet installed.  Use "repo init" to install it here.
 The most commonly used repo commands are:
 
   init      Install repo in the current working directory
-  help      Display detailed help on a command
+""" + gitc_usage +
+"""  help      Display detailed help on a command
 
 For access to the full online help, install repo ("repo init").
 """, file=sys.stderr)
@@ -681,6 +710,10 @@ def _Help(args):
     if args[0] == 'init':
       init_optparse.print_help()
       sys.exit(0)
+    elif args[0] == 'gitc-init':
+      _GitcInitOptions(init_optparse)
+      init_optparse.print_help()
+      sys.exit(0)
     else:
       _print("error: '%s' is not a bootstrap command.\n"
              '        For access to online help, install repo ("repo init").'
@@ -746,6 +779,12 @@ def main(orig_args):
   wrapper_path = os.path.abspath(__file__)
   my_main, my_git = _RunSelf(wrapper_path)
 
+  cwd = os.getcwd()
+  if get_gitc_manifest_dir() and cwd.startswith(get_gitc_manifest_dir()):
+    _print('error: repo cannot be used in the GITC local manifest directory.'
+           '\nIf you want to work on this GITC client please rerun this '
+           'command from the corresponding client under /gitc/', file=sys.stderr)
+    sys.exit(1)
   if not repo_main:
     if opt.help:
       _Usage()