csum-file: fix missing buf pointer update

diff --git a/t/t4007-rename-3.sh b/t/t4007-rename-3.sh
index 518892b90c7cbb3fb193d6bfb622046aff0f4431..ab83ea3b8abdc7228455c9dd326c1f179a02b5f5 100644 (file)
--- a/t/t4007-rename-3.sh
+++ b/t/t4007-rename-3.sh
@@ -7,20 +7,7 @@ test_description='Rename interaction with pathspec.
 
 '
 . ./test-lib.sh
-
-_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"
-sanitize_diff_raw='s/ \('"$_x40"'\) \1 \([CR]\)[0-9]*  / \1 \1 \2#     /'
-compare_diff_raw () {
-    # When heuristics are improved, the score numbers would change.
-    # Ignore them while comparing.
-    # Also we do not check SHA1 hash generation in this test, which
-    # is a job for t0000-basic.sh
-
-    sed -e "$sanitize_diff_raw" <"$1" >.tmp-1
-    sed -e "$sanitize_diff_raw" <"$2" >.tmp-2
-    diff -u .tmp-1 .tmp-2 && rm -f .tmp-1 .tmp-2
-}
+. ../diff-lib.sh ;# test-lib chdir's into trash
 
 test_expect_success \
     'prepare reference tree' \
@@ -39,7 +26,7 @@ test_expect_success \
 # path1 both have COPYING and the latter is a copy of path0/COPYING.
 # Comparing the full tree with cache should tell us so.
 
-git-diff-cache -C $tree >current
+git-diff-cache -C --find-copies-harder $tree >current
 
 cat >expected <<\EOF
 :100644 100644 6ff87c4664981e4397625791c8ea3bbb5f2279a3 6ff87c4664981e4397625791c8ea3bbb5f2279a3 C100  path0/COPYING   path1/COPYING