diff --git a/rhodecode/lib/vcs/exceptions.py b/rhodecode/lib/vcs/exceptions.py
new file mode 100644
--- /dev/null
+++ b/rhodecode/lib/vcs/exceptions.py
@@ -0,0 +1,93 @@
+# -*- coding: utf-8 -*-
+"""
+    vcs.exceptions
+    ~~~~~~~~~~~~~~
+
+    Custom exceptions module
+
+    :created_on: Apr 8, 2010
+    :copyright: (c) 2010-2011 by Marcin Kuzminski, Lukasz Balcerzak.
+"""
+
+
+class VCSError(Exception):
+    pass
+
+
+class RepositoryError(VCSError):
+    pass
+
+
+class EmptyRepositoryError(RepositoryError):
+    pass
+
+
+class TagAlreadyExistError(RepositoryError):
+    pass
+
+
+class TagDoesNotExistError(RepositoryError):
+    pass
+
+
+class BranchAlreadyExistError(RepositoryError):
+    pass
+
+
+class BranchDoesNotExistError(RepositoryError):
+    pass
+
+
+class ChangesetError(RepositoryError):
+    pass
+
+
+class ChangesetDoesNotExistError(ChangesetError):
+    pass
+
+
+class CommitError(RepositoryError):
+    pass
+
+
+class NothingChangedError(CommitError):
+    pass
+
+
+class NodeError(VCSError):
+    pass
+
+
+class RemovedFileNodeError(NodeError):
+    pass
+
+
+class NodeAlreadyExistsError(CommitError):
+    pass
+
+
+class NodeAlreadyChangedError(CommitError):
+    pass
+
+
+class NodeDoesNotExistError(CommitError):
+    pass
+
+
+class NodeNotChangedError(CommitError):
+    pass
+
+
+class NodeAlreadyAddedError(CommitError):
+    pass
+
+
+class NodeAlreadyRemovedError(CommitError):
+    pass
+
+
+class ImproperArchiveTypeError(VCSError):
+    pass
+
+class CommandError(VCSError):
+    pass