1 files changed, 98 insertions, 0 deletions
diff --git a/third_party/git/t/t4009-diff-rename-4.sh b/third_party/git/t/t4009-diff-rename-4.sh
new file mode 100755
index 000000000000..b63bdf031f51
--- /dev/null
+++ b/third_party/git/t/t4009-diff-rename-4.sh
@@ -0,0 +1,98 @@
+#!/bin/sh
+#
+# Copyright (c) 2005 Junio C Hamano
+#
+
+test_description='Same rename detection as t4003 but testing diff-raw -z.
+
+'
+. ./test-lib.sh
+. "$TEST_DIRECTORY"/diff-lib.sh ;# test-lib chdir's into trash
+
+test_expect_success \
+    'prepare reference tree' \
+    'cat "$TEST_DIRECTORY"/diff-lib/COPYING >COPYING &&
+     echo frotz >rezrov &&
+    git update-index --add COPYING rezrov &&
+    orig=$(git hash-object COPYING) &&
+    tree=$(git write-tree) &&
+    echo $tree'
+
+test_expect_success \
+    'prepare work tree' \
+    'sed -e 's/HOWEVER/However/' <COPYING >COPYING.1 &&
+    sed -e 's/GPL/G.P.L/g' <COPYING >COPYING.2 &&
+    rm -f COPYING &&
+    c1=$(git hash-object COPYING.1) &&
+    c2=$(git hash-object COPYING.2) &&
+    git update-index --add --remove COPYING COPYING.?'
+
+# 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.
+
+git diff-index -z -C $tree >current
+
+cat >expected <<EOF
+:100644 100644 $orig $c1 C1234
+COPYING
+COPYING.1
+:100644 100644 $orig $c2 R1234
+COPYING
+COPYING.2
+EOF
+
+test_expect_success \
+    'validate output from rename/copy detection (#1)' \
+    'compare_diff_raw_z current expected'
+
+################################################################
+
+test_expect_success \
+    'prepare work tree again' \
+    'mv COPYING.2 COPYING &&
+     git update-index --add --remove COPYING COPYING.1 COPYING.2'
+
+# 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.
+
+git diff-index -z -C $tree >current
+cat >expected <<EOF
+:100644 100644 $orig $c2 M
+COPYING
+:100644 100644 $orig $c1 C1234
+COPYING
+COPYING.1
+EOF
+
+test_expect_success \
+    'validate output from rename/copy detection (#2)' \
+    'compare_diff_raw_z current expected'
+
+################################################################
+
+# tree has COPYING and rezrov.  work tree has the same COPYING and
+# copy-edited COPYING.1, and unchanged rezrov.  We should not say
+# anything about rezrov or COPYING, since the revised again diff-raw
+# nows how to say Copy.
+
+test_expect_success \
+    'prepare work tree once again' \
+    'cat "$TEST_DIRECTORY"/diff-lib/COPYING >COPYING &&
+     git update-index --add --remove COPYING COPYING.1'
+
+git diff-index -z -C --find-copies-harder $tree >current
+cat >expected <<EOF
+:100644 100644 $orig $c1 C1234
+COPYING
+COPYING.1
+EOF
+
+test_expect_success \
+    'validate output from rename/copy detection (#3)' \
+    'compare_diff_raw_z current expected'
+
+test_done