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							// +build darwin dragonfly freebsd netbsd openbsd
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							// +build !js
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							package logrus
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							import "golang.org/x/sys/unix"
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							const ioctlReadTermios = unix.TIOCGETA
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							func isTerminal(fd int) bool {
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								_, err := unix.IoctlGetTermios(fd, ioctlReadTermios)
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								return err == nil
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							}
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