19 lines
355 B
Nix
19 lines
355 B
Nix
{ pkgs, ... }:
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pkgs.writeDashBin "untilport" ''
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set -euf
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usage() {
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echo 'untiport $target $port'
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echo 'Sleeps until the destinated port is reachable.'
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echo 'ex: untilport google.de 80 && echo "google is now reachable"'
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}
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if [ $# -ne 2 ]; then
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usage
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else
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until ${pkgs.libressl.nc}/bin/nc -z "$@"; do sleep 1; done
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fi
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''
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