i3-dmenu-desktop: improve error message when dmenu cannot be found
fixes #984
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@ -306,7 +306,14 @@ for my $app (keys %apps) {
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# open2 will just make dmenu’s STDERR go to our own STDERR.
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my ($dmenu_out, $dmenu_in);
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my $pid = open2($dmenu_out, $dmenu_in, $dmenu_cmd);
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my $pid = eval {
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open2($dmenu_out, $dmenu_in, $dmenu_cmd);
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} or do {
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print STDERR "$@";
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say STDERR "Running dmenu failed. Is dmenu installed at all? Try running dmenu -v";
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exit 1;
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};
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binmode $dmenu_in, ':utf8';
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binmode $dmenu_out, ':utf8';
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