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Check $TERM on pancurses as well
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@ -35,6 +35,20 @@ fn find_closest_pair(pair: ColorPair) -> (i16, i16) {
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impl Backend {
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/// Creates a new pancurses-based backend.
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pub fn init() -> std::io::Result<Box<dyn backend::Backend>> {
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// Check the $TERM variable (at least on unix).
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// Otherwise we'll just abort.
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// TODO: On windows, is there anything to check?
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if cfg!(unix)
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&& std::env::var("TERM")
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.map(|var| var.is_empty())
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.unwrap_or(true)
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{
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return Err(std::io::Error::new(
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std::io::ErrorKind::Other,
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"$TERM is unset. Cannot initialize pancurses interface.",
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));
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}
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::std::env::set_var("ESCDELAY", "25");
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// TODO: use pancurses::newterm()
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