diff -r 8a84347b9907 -r 6f447b9ec263 mercurial/commands.py
--- a/mercurial/commands.py	Mon Aug 29 17:48:14 2016 -0700
+++ b/mercurial/commands.py	Tue Aug 30 09:22:53 2016 -0700
@@ -2449,7 +2449,7 @@
     ui.write(('exec: %s\n') % (util.checkexec(path) and 'yes' or 'no'))
     ui.write(('symlink: %s\n') % (util.checklink(path) and 'yes' or 'no'))
     ui.write(('hardlink: %s\n') % (util.checknlink(path) and 'yes' or 'no'))
-    ui.write(('case-sensitive: %s\n') % (util.checkcase('.debugfsinfo')
+    ui.write(('case-sensitive: %s\n') % (util.fscasesensitive('.debugfsinfo')
                                 and 'yes' or 'no'))
     os.unlink('.debugfsinfo')