|  | // +build darwin dragonfly freebsd netbsd openbsd
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							|  | // +build !js
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							|  | 
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							|  | package logrus
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							|  | 
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							|  | import "golang.org/x/sys/unix"
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							|  | 
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							|  | const ioctlReadTermios = unix.TIOCGETA
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							|  | 
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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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