diff mercurial/scmutil.py @ 38880:df0873ab5c14

revlog: use specialized exception for ambiguous prefix lookup

It's useful to be able to catch a specific exception for this
case. We'll use it soon.

Differential Revision: https://phab.mercurial-scm.org/D4036

--- a/mercurial/scmutil.py	Thu Aug 02 22:44:41 2018 +0300
+++ b/mercurial/scmutil.py	Fri Apr 13 23:37:53 2018 -0700
@@ -480,8 +480,8 @@
 def isrevsymbol(repo, symbol):
     """Checks if a symbol exists in the repo.
 
-    See revsymbol() for details. Raises error.LookupError if the symbol is an
-    ambiguous nodeid prefix.
+    See revsymbol() for details. Raises error.AmbiguousPrefixLookupError if the
+    symbol is an ambiguous nodeid prefix.
     """
     try:
         revsymbol(repo, symbol)