mercurial/scmutil.py

--- a/mercurial/scmutil.py	Thu Jan 31 18:17:02 2019 +0530
+++ b/mercurial/scmutil.py	Tue Jan 29 15:37:14 2019 -0800
@@ -725,6 +725,14 @@
         return []
     return parents
 
+def getuipathfn(repo, relative):
+    if relative:
+        cwd = repo.getcwd()
+        pathto = repo.pathto
+        return lambda f: pathto(f, cwd)
+    else:
+        return lambda f: f
+
 def expandpats(pats):
     '''Expand bare globs when running on windows.
     On posix we assume it already has already been done by sh.'''