From bf2eea31b52be71246eb0f1bd4b5d479640d224c Mon Sep 17 00:00:00 2001
From: Sebastiaan van Stijn <github@gone.nl>
Date: Wed, 21 May 2025 17:34:51 +0200
Subject: [PATCH] cli/command/container: hijackedIOStreamer.setupInput: use
 sync.OnceFunc

Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
---
 cli/command/container/hijack.go | 9 +++------
 1 file changed, 3 insertions(+), 6 deletions(-)

diff --git a/cli/command/container/hijack.go b/cli/command/container/hijack.go
index cd91e69514..4d5ad26786 100644
--- a/cli/command/container/hijack.go
+++ b/cli/command/container/hijack.go
@@ -84,12 +84,9 @@ func (h *hijackedIOStreamer) setupInput() (restore func(), err error) {
 
 	// Use sync.Once so we may call restore multiple times but ensure we
 	// only restore the terminal once.
-	var restoreOnce sync.Once
-	restore = func() {
-		restoreOnce.Do(func() {
-			_ = restoreTerminal(h.streams, h.inputStream)
-		})
-	}
+	restore = sync.OnceFunc(func() {
+		_ = restoreTerminal(h.streams, h.inputStream)
+	})
 
 	// Wrap the input to detect detach escape sequence.
 	// Use default escape keys if an invalid sequence is given.