--- a/src/hwm.py	Thu Aug 21 17:57:30 2014 -0500
+++ b/src/hwm.py	Thu Aug 21 18:25:49 2014 -0500
@@ -102,6 +102,7 @@
 	manGrp.add_argument('storage', action='store', nargs='?', help='The storage-name of the repository to perform an action upon.')
 	manGrp.add_argument('-a', '--action', action='store', nargs=1, type=str, choices=['c', 'create', 'm', 'modify', 'd', 'delete', 'r', 'register'], help='Performs an action upon a managed repository.')
 	manGrp.add_argument('-i', '--ignore', action='store', nargs='+', default=None, help='The groups to place in an ignore file.')
+	manGrp.add_argument('-s', '--skip-common', action='store_true', help='The common ignore group is not added by default.')
 	manGrp.add_argument('-n', '--name', action='store', nargs='?', default=None, help='The display name of the repository.')
 	manGrp.add_argument('-d', '--description', action='store', nargs='?', default=None, help='The description of the repository.')
 	manGrp.add_argument('-c', '--contact', action='store', nargs='?', default=None, help='The contact point of a repository.')
@@ -118,14 +119,10 @@
 		print >>sys.stderr, "No actionable arguments supplied."
 		exit(1)
 	elif ('create' == args.action[0]) or ('c' == args.action[0]):
-		if args.ignore:
-			ignores = args.ignore
-		else:
-			ignores = ['Common']
-		if not manager.create(repo, ignores):
+		if not manager.create(repo, args.ignore, args.skip_common):
 			exit(2)
 	elif ('modify' == args.action[0]) or ('m' == args.action[0]):
-		if not manager.modify(repo, args.storage, args.ignore):
+		if not manager.modify(repo, args.storage, args.ignore, args.skip_common):
 			exit(2)
 	elif ('delete' == args.action[0]) or ('d' == args.action[0]):
 		if not manager.delete(repo):

--- a/src/manager.py	Thu Aug 21 17:57:30 2014 -0500
+++ b/src/manager.py	Thu Aug 21 18:25:49 2014 -0500
@@ -25,13 +25,15 @@
 from hwm import settings
 
 
-def create(repository, ignoreGroup):
+def create(repository, ignoreGroup, skipCommon):
 	""" Creates a new repository under HgWeb.
 
 	 @pre The repository to create cannot already exist.
 
 	 @param[in] repository	The targeted repository to create.
 	 @param[in] ignoreGroup	The list of all ignore groups to add.
+	 @param[in] skipCommon	A flag that when true indicates the common group
+						 should not be added by default.
 
 	 @post The file system now contains a new directory in the repository path
 	  that is the newly generated repository. The new repository is registered
@@ -60,7 +62,7 @@
 		# Create the requested repository.
 		if __addRepository(repository):
 			print "Initialised repository directory."
-			if not __create_ignores(repository, ignoreGroup):
+			if not __create_ignores(repository, ignoreGroup, skipCommon):
 				__removeRepository(repository)
 				return False
 		else:
@@ -115,7 +117,7 @@
 			print >>sys.stderr, "Failed to register repository."
 			return False
 
-def modify(newRepository, currentStorageName, ignoreGroup):
+def modify(newRepository, currentStorageName, ignoreGroup, skipCommon):
 	""" Changes an existing repository in HgWeb.
 
 	 @pre The repository to modify must already exist.
@@ -125,6 +127,9 @@
 	 @param[in] currentStorageName	The current storage name of the
 								 repository to modify.
 	 @param[in] ignoreGroup			The list of all ignore groups to add.
+	 @param[in] skipCommon			A flag that when true indicates the
+								 common group should not be added by
+								 default.
 
 	 @post The repository is changed with the requested modifications.
 
@@ -180,7 +185,7 @@
 
 		# Update ignore file if requested.
 		if ignoreGroup is not None:
-			if __create_ignores(newRepository, ignoreGroup):
+			if __create_ignores(newRepository, ignoreGroup, skipCommon):
 				print "Successfully modified ignore file."
 			else:
 				print >>sys.stderr, "Failed to modify ignore file."
@@ -254,7 +259,7 @@
 
 
 
-def __create_ignores(repo, ignoreGroup):
+def __create_ignores(repo, ignoreGroup, skipCommon):
 	""" Generates and commits an ignore file to an existing repository.
 
 	 @pre The repository to create an ignore file must already exist. The list
@@ -263,6 +268,8 @@
 
 	 @param[in] repo		The targeted repository for the ignore file.
 	 @param[in] ignoreGroup	The list of all ignore groups to add.
+	 @param[in] skipCommon	A flag that when true indicates the common group
+						 should not be added by default.
 
 	 @post The managed repository now has an ignore file committed by the
 	  HgWeb manager.
@@ -275,6 +282,8 @@
 	import xml
 
 	# Extract Ignore Collection
+	if ignoreGroup is None:
+		ignoreGroup = []
 	ignores = {}
 	try:
 		ignores = ignorepo.extract('ignores.xml')
@@ -285,6 +294,11 @@
 		print >>sys.stderr, "Failed to extract ignores, error: %s" % e.message
 		return False
 
+	if skipCommon:
+		del ignores['Common']
+	elif not 'common' in [ignoreName.lower() for ignoreName in ignoreGroup]:
+		ignoreGroup.append('Common')
+
 	ignoreFile = settings.RepositoryPath + os.sep + repo.StorageName + os.sep + '.hgignore'
 	wasCreated = not os.path.isfile(ignoreFile)
 	if wasCreated: