diff -r 94c25f694ec3 -r 24e493ec2229 mercurial/debugcommands.py
--- a/mercurial/debugcommands.py	Mon Sep 24 22:46:22 2018 -0400
+++ b/mercurial/debugcommands.py	Fri Sep 21 19:48:23 2018 -0400
@@ -99,7 +99,7 @@
     """find the ancestor revision of two revisions in a given index"""
     if len(args) == 3:
         index, rev1, rev2 = args
-        r = revlog.revlog(vfsmod.vfs(pycompat.getcwd(), audit=False), index)
+        r = revlog.revlog(vfsmod.vfs(encoding.getcwd(), audit=False), index)
         lookup = r.lookup
     elif len(args) == 2:
         if not repo:
@@ -503,7 +503,7 @@
     spaces = opts.get(r'spaces')
     dots = opts.get(r'dots')
     if file_:
-        rlog = revlog.revlog(vfsmod.vfs(pycompat.getcwd(), audit=False),
+        rlog = revlog.revlog(vfsmod.vfs(encoding.getcwd(), audit=False),
                              file_)
         revs = set((int(r) for r in revs))
         def events():
@@ -1754,7 +1754,7 @@
 
     def complete(path, acceptable):
         dirstate = repo.dirstate
-        spec = os.path.normpath(os.path.join(pycompat.getcwd(), path))
+        spec = os.path.normpath(os.path.join(encoding.getcwd(), path))
         rootdir = repo.root + pycompat.ossep
         if spec != repo.root and not spec.startswith(rootdir):
             return [], []