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diff mercurial/filemerge.py @ 34946:5caae380ff90 stable

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filemerge: pass a default value to _toolstr (issue5718) After a refactoring, _toolstr stopped having default="" as one of it's args, therefore when called without a default it returns None and not "". This causes concatenation to fail.
author Kostia Balytskyi <ikostia@fb.com>
date Thu, 26 Oct 2017 11:07:06 -0700
parents cab34bda259e
children 010179e21e91
line wrap: on
line diff
--- a/mercurial/filemerge.py	Tue Oct 31 06:39:38 2017 +0530
+++ b/mercurial/filemerge.py	Thu Oct 26 11:07:06 2017 -0700
@@ -116,7 +116,7 @@
             continue
         p = util.lookupreg(k, _toolstr(ui, tool, "regname"))
         if p:
-            p = util.findexe(p + _toolstr(ui, tool, "regappend"))
+            p = util.findexe(p + _toolstr(ui, tool, "regappend", ""))
             if p:
                 return p
     exe = _toolstr(ui, tool, "executable", tool)