merge(third_party/git): Merge squashed git subtree at v2.23.0

Merge commit '1b593e1ea4' as 'third_party/git'

third_party/git/t/t0022-crlf-rename.sh

@@ -0,0 +1,33 @@
+#!/bin/sh
+
+test_description='ignore CR in CRLF sequence while computing similiarity'
+
+. ./test-lib.sh
+
+test_expect_success setup '
+
+	cat "$TEST_DIRECTORY"/t0022-crlf-rename.sh >sample &&
+	git add sample &&
+
+	test_tick &&
+	git commit -m Initial &&
+
+	append_cr <"$TEST_DIRECTORY"/t0022-crlf-rename.sh >elpmas &&
+	git add elpmas &&
+	rm -f sample &&
+
+	test_tick &&
+	git commit -a -m Second
+
+'
+
+test_expect_success 'diff -M' '
+
+	git diff-tree -M -r --name-status HEAD^ HEAD |
+	sed -e "s/R[0-9]*/RNUM/" >actual &&
+	echo "RNUM	sample	elpmas" >expect &&
+	test_cmp expect actual
+
+'
+
+test_done