UBUNTU: [Debian] git-ubuntu-log -- handle invalid or private bugs

Signed-off-by: Andy Whitcroft <apw@canonical.com>

debian/scripts/misc/git-ubuntu-log

@@ -64,6 +64,7 @@ for bug in bugs:
     else:
         bug_info = None
 
+        try:
             #urllib.request.urlcleanup()
             request = urllib.request.Request('https://api.launchpad.net/devel/bugs/' + bug)
             request.add_header('Cache-Control', 'max-age=0')
@@ -77,6 +78,9 @@ for bug in bugs:
                     if line.startswith('Kernel-Description:'):
                         title = line.split(' ', 1)[1]
 
+        except urllib.error.HTTPError:
+            title = 'INVALID or PRIVATE BUG'
+
         title += ' (LP: #' + bug + ')'
 
     emit_title = True