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

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

third_party/git/t/t9137-git-svn-dcommit-clobber-series.sh

@@ -0,0 +1,63 @@
+#!/bin/sh
+#
+# Copyright (c) 2007 Eric Wong
+test_description='git svn dcommit clobber series'
+. ./lib-git-svn.sh
+
+test_expect_success 'initialize repo' '
+	mkdir import &&
+	(cd import &&
+	awk "BEGIN { for (i = 1; i < 64; i++) { print i } }" > file &&
+	svn_cmd import -m "initial" . "$svnrepo"
+	) &&
+	git svn init "$svnrepo" &&
+	git svn fetch &&
+	test -e file
+	'
+
+test_expect_success '(supposedly) non-conflicting change from SVN' '
+	test x"$(sed -n -e 58p < file)" = x58 &&
+	test x"$(sed -n -e 61p < file)" = x61 &&
+	svn_cmd co "$svnrepo" tmp &&
+	(cd tmp &&
+		perl -i.bak -p -e "s/^58$/5588/" file &&
+		perl -i.bak -p -e "s/^61$/6611/" file &&
+		poke file &&
+		test x"$(sed -n -e 58p < file)" = x5588 &&
+		test x"$(sed -n -e 61p < file)" = x6611 &&
+		svn_cmd commit -m "58 => 5588, 61 => 6611"
+	)
+	'
+
+test_expect_success 'some unrelated changes to git' "
+	echo hi > life &&
+	git update-index --add life &&
+	git commit -m hi-life &&
+	echo bye >> life &&
+	git commit -m bye-life life
+	"
+
+test_expect_success 'change file but in unrelated area' "
+	test x\"\$(sed -n -e 4p < file)\" = x4 &&
+	test x\"\$(sed -n -e 7p < file)\" = x7 &&
+	perl -i.bak -p -e 's/^4\$/4444/' file &&
+	perl -i.bak -p -e 's/^7\$/7777/' file &&
+	test x\"\$(sed -n -e 4p < file)\" = x4444 &&
+	test x\"\$(sed -n -e 7p < file)\" = x7777 &&
+	git commit -m '4 => 4444, 7 => 7777' file &&
+	git svn dcommit &&
+	svn_cmd up tmp &&
+	cd tmp &&
+		test x\"\$(sed -n -e 4p < file)\" = x4444 &&
+		test x\"\$(sed -n -e 7p < file)\" = x7777 &&
+		test x\"\$(sed -n -e 58p < file)\" = x5588 &&
+		test x\"\$(sed -n -e 61p < file)\" = x6611
+	"
+
+test_expect_success 'attempt to dcommit with a dirty index' '
+	echo foo >>file &&
+	git add file &&
+	test_must_fail git svn dcommit
+'
+
+test_done