# HG changeset patch
# User Joerg Sonnenberger <joerg@bec.de>
# Date 2020-07-06 12:30:13
# Node ID cc2572923ea3f0a2e7fcf4654517883a3fbd45ab
# Parent  91f4662b7fa7a8b669586bfefe5278c5d64d7844

revlog: avoid hard-coded hash sizes

Differential Revision: https://phab.mercurial-scm.org/D8683

diff --git a/mercurial/revlog.py b/mercurial/revlog.py
--- a/mercurial/revlog.py
+++ b/mercurial/revlog.py
@@ -1523,7 +1523,7 @@ class revlog(object):
 
         def disambiguate(hexnode, minlength):
             """Disambiguate against wdirid."""
-            for length in range(minlength, 41):
+            for length in range(minlength, len(hexnode) + 1):
                 prefix = hexnode[:length]
                 if not maybewdir(prefix):
                     return prefix
@@ -1540,12 +1540,12 @@ class revlog(object):
                 pass
 
         if node == wdirid:
-            for length in range(minlength, 41):
+            for length in range(minlength, len(hexnode) + 1):
                 prefix = hexnode[:length]
                 if isvalid(prefix):
                     return prefix
 
-        for length in range(minlength, 41):
+        for length in range(minlength, len(hexnode) + 1):
             prefix = hexnode[:length]
             if isvalid(prefix):
                 return disambiguate(hexnode, length)