X-Git-Url: http://gitweb.michael.orlitzky.com/?p=mailshears.git;a=blobdiff_plain;f=lib%2Fcommon%2Ferrors.rb;h=7a2fbba565c035c7584972c3de211b0acf4ce4d2;hp=d0bcfe200ef14c187c29ac6bfe26ba8cb3be0be6;hb=f819b178c5c1cb8adda0182c610e5c52fad8bea7;hpb=72696d3f6e95ef773af9727e9c3459b9038b0fc2

diff --git a/lib/common/errors.rb b/lib/common/errors.rb
index d0bcfe2..7a2fbba 100644
--- a/lib/common/errors.rb
+++ b/lib/common/errors.rb
@@ -4,17 +4,24 @@ class DatabaseError < StandardError
 end
 
 
-# Perhaps surprisingly, used to indicate that an user name is
-# invalid.
+# Username is syntactically invalid.
 class InvalidUserError < StandardError
 end
 
+# Domain is syntactically invalid.
+class InvalidDomainError < StandardError
+end
+
 
-# Used to indicate that an user does not exist on the filesystem.
+# Used to indicate that an user does not exist.
 class NonexistentUserError < StandardError
 end
 
-
-# Used to indicate that a domain does not exist on the filesystem.
+# Used to indicate that a domain does not exist.
 class NonexistentDomainError < StandardError
 end
+
+
+# When you try to rename a user on top of one that already exists.
+class UserAlreadyExistsError < StandardError
+end