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Don't use OSC queries if we're not in control of the terminal #66

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merged 1 commit into from Feb 4, 2022
Merged

Don't use OSC queries if we're not in control of the terminal #66

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14 changes: 14 additions & 0 deletions termenv_unix.go
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Expand Up @@ -18,6 +18,15 @@ const (
OSCTimeout = 5 * time.Second
)

func isForeground(fd int) bool {
pgrp, err := unix.IoctlGetInt(fd, unix.TIOCGPGRP)
if err != nil {
return false
}

return pgrp == unix.Getpgrp()
}

func colorProfile() Profile {
term := os.Getenv("TERM")
colorTerm := os.Getenv("COLORTERM")
Expand Down Expand Up @@ -215,6 +224,11 @@ func termStatusReport(sequence int) (string, error) {
return "", ErrStatusReport
}

// if in background, we can't control the terminal
if !isForeground(unix.Stdout) {
return "", ErrStatusReport
}

t, err := unix.IoctlGetTermios(unix.Stdout, tcgetattr)
if err != nil {
return "", ErrStatusReport
Expand Down