Add git-svn branch to allow branch creation in SVN repositories

[ew: fixed a warning to stderr causing t9108 to fail]

Signed-off-by: Florian Ragwitz <rafl@debian.org>
Signed-off-by: Deskin Miller <deskinm@umich.edu>
Acked-by: Eric Wong <normalperson@yhbt.net>
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>

t/t9128-git-svn-cmd-branch.sh

@@ -0,0 +1,59 @@
+#!/bin/sh
+#
+# Copyright (c) 2008 Deskin Miller
+#
+
+test_description='git svn partial-rebuild tests'
+. ./lib-git-svn.sh
+
+test_expect_success 'initialize svnrepo' '
+	mkdir import &&
+	(
+		cd import &&
+		mkdir trunk branches tags &&
+		cd trunk &&
+		echo foo > foo &&
+		cd .. &&
+		svn import -m "import for git-svn" . "$svnrepo" >/dev/null &&
+		cd .. &&
+		rm -rf import &&
+		svn co "$svnrepo"/trunk trunk &&
+		cd trunk &&
+		echo bar >> foo &&
+		svn ci -m "updated trunk" &&
+		cd .. &&
+		rm -rf trunk
+	)
+'
+
+test_expect_success 'import into git' '
+	git svn init --stdlayout "$svnrepo" &&
+	git svn fetch &&
+	git checkout remotes/trunk
+'
+
+test_expect_success 'git svn branch tests' '
+	git svn branch a &&
+	base=$(git rev-parse HEAD:) &&
+	test $base = $(git rev-parse remotes/a:) &&
+	git svn branch -m "created branch b blah" b &&
+	test $base = $(git rev-parse remotes/b:) &&
+	test_must_fail git branch -m "no branchname" &&
+	git svn branch -n c &&
+	test_must_fail git rev-parse remotes/c &&
+	test_must_fail git svn branch a &&
+	git svn branch -t tag1 &&
+	test $base = $(git rev-parse remotes/tags/tag1:) &&
+	git svn branch --tag tag2 &&
+	test $base = $(git rev-parse remotes/tags/tag2:) &&
+	git svn tag tag3 &&
+	test $base = $(git rev-parse remotes/tags/tag3:) &&
+	git svn tag -m "created tag4 foo" tag4 &&
+	test $base = $(git rev-parse remotes/tags/tag4:) &&
+	test_must_fail git svn tag -m "no tagname" &&
+	git svn tag -n tag5 &&
+	test_must_fail git rev-parse remotes/tags/tag5 &&
+	test_must_fail git svn tag tag1
+'
+
+test_done