From 6c45198ea89e76a2d03b8d5ff17071cc5b4148ce Mon Sep 17 00:00:00 2001
From: Runxi Yu
Date: Sun, 8 Mar 2026 02:02:37 +0800
Subject: protocol/v0v1/server: Add FlushIO

---
 protocol/v0v1/server/session.go | 9 +++++++++
 1 file changed, 9 insertions(+)

(limited to 'protocol/v0v1/server')

diff --git a/protocol/v0v1/server/session.go b/protocol/v0v1/server/session.go
index 75884806..7e107f53 100644
--- a/protocol/v0v1/server/session.go
+++ b/protocol/v0v1/server/session.go
@@ -87,6 +87,15 @@ func (session *Session) WriteFlush() error {
 	return session.enc.WriteFlush()
 }
 
+// FlushIO flushes buffered transport output without emitting pkt-line frames.
+func (session *Session) FlushIO() error {
+	if session.useSideBand {
+		return session.sideband.FlushIO()
+	}
+
+	return session.enc.FlushIO()
+}
+
 // ProgressWriter returns one chunking writer for sideband progress output.
 //
 // When side-band-64k was not negotiated, writes are discarded.
-- 
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