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

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

third_party/git/t/t9167-git-svn-cmd-branch-subproject.sh

@@ -0,0 +1,48 @@
+#!/bin/sh
+#
+# Copyright (c) 2013 Tobias Schulte
+#
+
+test_description='git svn branch for subproject clones'
+. ./lib-git-svn.sh
+
+test_expect_success 'initialize svnrepo' '
+	mkdir import &&
+	(
+		cd import &&
+		mkdir -p trunk/project branches tags &&
+		(
+			cd trunk/project &&
+			echo foo > foo
+		) &&
+		svn_cmd import -m "import for git-svn" . "$svnrepo" >/dev/null
+	) &&
+	rm -rf import &&
+	svn_cmd co "$svnrepo"/trunk/project trunk/project &&
+	(
+		cd trunk/project &&
+		echo bar >> foo &&
+		svn_cmd ci -m "updated trunk"
+	) &&
+	rm -rf trunk
+'
+
+test_expect_success 'import into git' '
+	git svn init --trunk=trunk/project --branches=branches/*/project \
+		--tags=tags/*/project "$svnrepo" &&
+	git svn fetch &&
+	git checkout remotes/origin/trunk
+'
+
+test_expect_success 'git svn branch tests' '
+	test_must_fail git svn branch a &&
+	git svn branch --parents a &&
+	test_must_fail git svn branch -t tag1 &&
+	git svn branch --parents -t tag1 &&
+	test_must_fail git svn branch --tag tag2 &&
+	git svn branch --parents --tag tag2 &&
+	test_must_fail git svn tag tag3 &&
+	git svn tag --parents tag3
+'
+
+test_done