1 files changed, 77 insertions, 0 deletions
diff --git a/third_party/git/t/t4005-diff-rename-2.sh b/third_party/git/t/t4005-diff-rename-2.sh
new file mode 100755
index 000000000000..f542d2929d23
--- /dev/null
+++ b/third_party/git/t/t4005-diff-rename-2.sh
@@ -0,0 +1,77 @@
+#!/bin/sh
+#
+# Copyright (c) 2005 Junio C Hamano
+#
+
+test_description='Same rename detection as t4003 but testing diff-raw.'
+
+. ./test-lib.sh
+. "$TEST_DIRECTORY"/diff-lib.sh ;# test-lib chdir's into trash
+
+test_expect_success 'setup reference tree' '
+	cat "$TEST_DIRECTORY"/diff-lib/COPYING >COPYING &&
+	echo frotz >rezrov &&
+	git update-index --add COPYING rezrov &&
+	tree=$(git write-tree) &&
+	echo $tree &&
+	sed -e 's/HOWEVER/However/' <COPYING >COPYING.1 &&
+	sed -e 's/GPL/G.P.L/g' <COPYING >COPYING.2 &&
+	origoid=$(git hash-object COPYING) &&
+	oid1=$(git hash-object COPYING.1) &&
+	oid2=$(git hash-object COPYING.2)
+'
+
+################################################################
+# tree has COPYING and rezrov.  work tree has COPYING.1 and COPYING.2,
+# both are slightly edited, and unchanged rezrov.  We say COPYING.1
+# and COPYING.2 are based on COPYING, and do not say anything about
+# rezrov.
+
+test_expect_success 'validate output from rename/copy detection (#1)' '
+	rm -f COPYING &&
+	git update-index --add --remove COPYING COPYING.? &&
+
+	cat <<-EOF >expected &&
+	:100644 100644 $origoid $oid1 C1234	COPYING	COPYING.1
+	:100644 100644 $origoid $oid2 R1234	COPYING	COPYING.2
+	EOF
+	git diff-index -C $tree >current &&
+	compare_diff_raw expected current
+'
+
+################################################################
+# tree has COPYING and rezrov.  work tree has COPYING and COPYING.1,
+# both are slightly edited, and unchanged rezrov.  We say COPYING.1
+# is based on COPYING and COPYING is still there, and do not say anything
+# about rezrov.
+
+test_expect_success 'validate output from rename/copy detection (#2)' '
+	mv COPYING.2 COPYING &&
+	git update-index --add --remove COPYING COPYING.1 COPYING.2 &&
+
+	cat <<-EOF >expected &&
+	:100644 100644 $origoid $oid2 M	COPYING
+	:100644 100644 $origoid $oid1 C1234	COPYING	COPYING.1
+	EOF
+	git diff-index -C $tree >current &&
+	compare_diff_raw current expected
+'
+
+################################################################
+# tree has COPYING and rezrov.  work tree has the same COPYING and
+# copy-edited COPYING.1, and unchanged rezrov.  We should not say
+# anything about rezrov or COPYING, since the revised again diff-raw
+# nows how to say Copy.
+
+test_expect_success 'validate output from rename/copy detection (#3)' '
+	cat "$TEST_DIRECTORY"/diff-lib/COPYING >COPYING &&
+	git update-index --add --remove COPYING COPYING.1 &&
+
+	cat <<-EOF >expected &&
+	:100644 100644 $origoid $oid1 C1234	COPYING	COPYING.1
+	EOF
+	git diff-index -C --find-copies-harder $tree >current &&
+	compare_diff_raw current expected
+'
+
+test_done