fix multiple issues with t5300

diff --git a/t/t4006-diff-mode.sh b/t/t4006-diff-mode.sh
index 8c1b81e248bced2ccb5e4ff0067996462e89deb8..ff8c2f7532aa6fd748dbbdc0322384576f3a35ed 100755 (executable)
--- a/t/t4006-diff-mode.sh
+++ b/t/t4006-diff-mode.sh
@@ -20,8 +20,6 @@ test_expect_success \
     'test_chmod +x rezrov &&
      git diff-index $tree >current'
 
-_x40='[0-9a-f][0-9a-f][0-9a-f][0-9a-f][0-9a-f]'
-_x40="$_x40$_x40$_x40$_x40$_x40$_x40$_x40$_x40"
 sed -e 's/\(:100644 100755\) \('"$_x40"'\) \2 /\1 X X /' <current >check
 echo ":100644 100755 X X M     rezrov" >expected