Update tutorial.

diff --git a/t/t4009-diff-rename-4.sh b/t/t4009-diff-rename-4.sh
old mode 100644 (file)
new mode 100755 (executable)
index 01d2766..6229a5b
--- a/t/t4009-diff-rename-4.sh
+++ b/t/t4009-diff-rename-4.sh
@@ -7,28 +7,7 @@ test_description='Same rename detection as t4003 but testing diff-raw -z.
 
 '
 . ./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/ '"$_x40"' '"$_x40"' \([A-Z]\)[0-9]*$/ X X \1#/'
-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
-
-    tr '\0' '\012' <"$1" | sed -e "$sanitize_diff_raw" >.tmp-1
-    tr '\0' '\012' <"$2" | sed -e "$sanitize_diff_raw" >.tmp-2
-    diff -u .tmp-1 .tmp-2 && rm -f .tmp-1 .tmp-2
-}
-
-compare_diff_patch () {
-    # When heuristics are improved, the score numbers would change.
-    # Ignore them while comparing.
-    sed -e '/^similarity index [0-9]*%$/d' <"$1" >.tmp-1
-    sed -e '/^similarity index [0-9]*%$/d' <"$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' \
@@ -63,7 +42,7 @@ EOF
 
 test_expect_success \
     'validate output from rename/copy detection (#1)' \
-    'compare_diff_raw current expected'
+    'compare_diff_raw_z current expected'
 
 # make sure diff-helper can grok it.
 mv current diff-raw
@@ -78,8 +57,8 @@ copy to COPYING.1
 - HOWEVER, in order to allow a migration to GPLv3 if that seems like
 + However, in order to allow a migration to GPLv3 if that seems like
 diff --git a/COPYING b/COPYING.2
-rename old COPYING
-rename new COPYING.2
+rename from COPYING
+rename to COPYING.2
 --- a/COPYING
 +++ b/COPYING.2
 @@ -2 +2 @@
@@ -120,7 +99,7 @@ EOF
 
 test_expect_success \
     'validate output from rename/copy detection (#2)' \
-    'compare_diff_raw current expected'
+    'compare_diff_raw_z current expected'
 
 # make sure diff-helper can grok it.
 mv current diff-raw
@@ -164,7 +143,7 @@ test_expect_success \
     'cat ../../COPYING >COPYING &&
      git-update-cache --add --remove COPYING COPYING.1'
 
-git-diff-cache -z -C $tree >current
+git-diff-cache -z -C --find-copies-harder $tree >current
 cat >expected <<\EOF
 :100644 100644 6ff87c4664981e4397625791c8ea3bbb5f2279a3 0603b3238a076dc6c8022aedc6648fa523a17178 C1234
 COPYING
@@ -173,7 +152,7 @@ EOF
 
 test_expect_success \
     'validate output from rename/copy detection (#3)' \
-    'compare_diff_raw current expected'
+    'compare_diff_raw_z current expected'
 
 # make sure diff-helper can grok it.
 mv current diff-raw