From c8bae7493d2f2910b57f13ded012e86bdcfb0532 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Sun, 7 Apr 2024 16:47:53 +0200
Subject: Adding upstream version 1:2.39.2.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 t/t4009-diff-rename-4.sh | 100 +++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 100 insertions(+)
 create mode 100755 t/t4009-diff-rename-4.sh

(limited to 't/t4009-diff-rename-4.sh')

diff --git a/t/t4009-diff-rename-4.sh b/t/t4009-diff-rename-4.sh
new file mode 100755
index 0000000..3480781
--- /dev/null
+++ b/t/t4009-diff-rename-4.sh
@@ -0,0 +1,100 @@
+#!/bin/sh
+#
+# Copyright (c) 2005 Junio C Hamano
+#
+
+test_description='Same rename detection as t4003 but testing diff-raw -z.
+
+'
+
+TEST_PASSES_SANITIZE_LEAK=true
+. ./test-lib.sh
+. "$TEST_DIRECTORY"/lib-diff.sh ;# test-lib chdir's into trash
+
+test_expect_success \
+    'prepare reference tree' \
+    'COPYING_test_data >COPYING &&
+     echo frotz >rezrov &&
+    git update-index --add COPYING rezrov &&
+    orig=$(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' \
+    'COPYING_test_data >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
-- 
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