[PATCH v3 3/4] transport-helper: call do_take_over() in connect_helper

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From: Jiang Xin <zhiyou.jx@xxxxxxxxxxxxxxx>

After successfully connecting to the smart transport by calling
process_connect_service() in connect_helper(), run do_take_over() to
replace the old vtable with a new one which has methods ready for the
smart transport connection.

The connect_helper() function is used as the connect method of the
vtable in "transport-helper.c", and it is called by transport_connect()
in "transport.c" to setup a connection. The only place that we call
transport_connect() so far is in "builtin/archive.c". Without running
do_take_over(), it may fail to call transport_disconnect() in
run_remote_archiver() of "builtin/archive.c". This is because for a
stateless connection or a service like "git-upload-pack-archive", the
remote helper may receive a SIGPIPE signal and exit early. To have a
graceful disconnect method by calling do_take_over() will solve this
issue.

The subsequent commit will introduce remote archive over a stateless-rpc
connection.

Signed-off-by: Jiang Xin <zhiyou.jx@xxxxxxxxxxxxxxx>
---
 transport-helper.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/transport-helper.c b/transport-helper.c
index 51088cc03a..3b036ae1ca 100644
--- a/transport-helper.c
+++ b/transport-helper.c
@@ -672,6 +672,8 @@ static int connect_helper(struct transport *transport, const char *name,
 
 	fd[0] = data->helper->out;
 	fd[1] = data->helper->in;
+
+	do_take_over(transport);
 	return 0;
 }
 
-- 
2.40.1.50.gf560bcc116.dirty




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