Merge branch 'jt/clone-server-option'

"git clone" learned a new --server-option option when talking over
the protocol version 2.

* jt/clone-server-option:
  clone: send server options when using protocol v2
  transport: die if server options are unsupported

1 files changed, 41 insertions, 0 deletions

diff --git a/t/t5702-protocol-v2.sh b/t/t5702-protocol-v2.sh
index a089659337..dbb4cf8881 100755
--- a/t/t5702-protocol-v2.sh
+++ b/t/t5702-protocol-v2.sh
@@ -182,6 +182,13 @@ test_expect_success 'server-options are sent when using ls-remote' '
 	grep "server-option=world" log
 '
 
+test_expect_success 'warn if using server-option with ls-remote with legacy protocol' '
+	test_must_fail env GIT_TEST_PROTOCOL_VERSION=0 git -c protocol.version=0 \
+		ls-remote -o hello -o world "file://$(pwd)/file_parent" master 2>err &&
+
+	test_i18ngrep "see protocol.version in" err &&
+	test_i18ngrep "server options require protocol version 2 or later" err
+'
 
 test_expect_success 'clone with file:// using protocol v2' '
 	test_when_finished "rm -f log" &&
@@ -251,6 +258,40 @@ test_expect_success 'server-options are sent when fetching' '
 	grep "server-option=world" log
 '
 
+test_expect_success 'warn if using server-option with fetch with legacy protocol' '
+	test_when_finished "rm -rf temp_child" &&
+
+	git init temp_child &&
+
+	test_must_fail env GIT_TEST_PROTOCOL_VERSION=0 git -C temp_child -c protocol.version=0 \
+		fetch -o hello -o world "file://$(pwd)/file_parent" master 2>err &&
+
+	test_i18ngrep "see protocol.version in" err &&
+	test_i18ngrep "server options require protocol version 2 or later" err
+'
+
+test_expect_success 'server-options are sent when cloning' '
+	test_when_finished "rm -rf log myclone" &&
+
+	GIT_TRACE_PACKET="$(pwd)/log" git -c protocol.version=2 \
+		clone --server-option=hello --server-option=world \
+		"file://$(pwd)/file_parent" myclone &&
+
+	grep "server-option=hello" log &&
+	grep "server-option=world" log
+'
+
+test_expect_success 'warn if using server-option with clone with legacy protocol' '
+	test_when_finished "rm -rf myclone" &&
+
+	test_must_fail env GIT_TEST_PROTOCOL_VERSION=0 git -c protocol.version=0 \
+		clone --server-option=hello --server-option=world \
+		"file://$(pwd)/file_parent" myclone 2>err &&
+
+	test_i18ngrep "see protocol.version in" err &&
+	test_i18ngrep "server options require protocol version 2 or later" err
+'
+
 test_expect_success 'upload-pack respects config using protocol v2' '
 	git init server &&
 	write_script server/.git/hook <<-\EOF &&