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cli/command/container: hijackedIOStreamer.setupInput: use sync.OnceFunc #6092

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Merged
thaJeztah merged 1 commit into from
May 22, 2025
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cli/command/container: hijackedIOStreamer.setupInput: use sync.OnceFunc #6092

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9 changes: 3 additions & 6 deletions cli/command/container/hijack.go
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Original file line number Diff line number Diff line change
Expand Up @@ -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.
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