[sysadmin-bin] make sure to update the main repos when there is a new branch

[Olav Vitters <ovitters src gnome org>]

commit ac1cf59f3170ca49ee58cef40087ee0c62b94b01
Author: Olav Vitters <olav vitters nl>
Date:   Thu Mar 31 22:06:56 2011 +0200

    make sure to update the main repos when there is a new branch

 gnomeweb/set_buildflag.py |    8 +++++++-
 1 files changed, 7 insertions(+), 1 deletions(-)
---
diff --git a/gnomeweb/set_buildflag.py b/gnomeweb/set_buildflag.py
index 7565b48..f2d57fb 100755
--- a/gnomeweb/set_buildflag.py
+++ b/gnomeweb/set_buildflag.py
@@ -33,12 +33,16 @@ if not opts.module:
 def update_flag(module, body):
     build_flag = os.path.join(timestamp_dir, module + ".buildflag")
 
+    file_exists = os.path.exists(build_flag)
+
     flagfile = open(build_flag, 'w')
     # Write the time into file
     flagfile.write(time.strftime("Date: %F %T UTC\n", time.gmtime()))
     flagfile.write(body)
     flagfile.close()
 
+    return file_exists
+
 # We echo the body into the flag file for debugging purposes
 # (it contains the old and new revisions)
 body = sys.stdin.read()
@@ -46,7 +50,9 @@ body = sys.stdin.read()
 if opts.branch:
     for branch in args:
         module = '%s!%s' % (opts.module, branch)
-        update_flag(module, body)
+        if not update_flag(module, body):
+            # New branch
+            update_flag(opts.module, body)
 else:
     update_flag(opts.module, body)