--- a/bench.py	Mon Jul 18 18:47:26 2016 +0800
+++ b/bench.py	Mon Jul 18 18:53:20 2016 +0800
@@ -40,23 +40,24 @@
     results = []
 
     cmd = [rel(TESTHGREPO, 'hg'), '-R', TESTREPO]
+    filename = rel(TESTREPO, 'README')
 
     if mark == 'blame':
-        cmd += ['blame', rel(TESTREPO, 'README')]
+        cmd += ['blame', filename]
     elif mark == 'grepall':
-        cmd += ['grep', '--all', 'version',  rel(TESTREPO, 'README')]
+        cmd += ['grep', '--all', 'version', filename]
     elif mark == 'grepallf':
-        cmd += ['grep', '--all', '--follow', 'version',  rel(TESTREPO, 'README')]
+        cmd += ['grep', '--all', '--follow', 'version', filename]
     elif mark == 'stco':
-        cmd += ['status', '--copies', rel(TESTREPO, 'README')]
+        cmd += ['status', '--copies', filename]
     elif mark == 'diff':
-        cmd += ['diff', '-r', 'tip~100:tip', rel(TESTREPO, 'README')]
+        cmd += ['diff', '-r', 'tip~100:tip', filename]
     elif mark == 'diffg':
-        cmd += ['diff', '-r', 'tip~100:tip', '--git', rel(TESTREPO, 'README')]
+        cmd += ['diff', '-r', 'tip~100:tip', '--git', filename]
     elif mark == 'logfile':
-        cmd += ['log', rel(TESTREPO, 'README')]
+        cmd += ['log', filename]
     elif mark == 'logfilecp':
-        cmd += ['log', '--copies', rel(TESTREPO, 'README')]
+        cmd += ['log', '--copies', filename]
     elif mark == 'log1':
         cmd += ['log', '-l1']
     elif mark == 'log1000':