23 lines
632 B
Nix
23 lines
632 B
Nix
{
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self,
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pkgs,
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}:
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pkgs.writeShellScriptBin "runbg" ''
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#!/usr/bin/env bash
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[ $# -eq 0 ] && { # $# is number of args
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echo "$(basename $0): missing command" >&2
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exit 1
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}
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prog="$(which "$1")" # see below
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[ -z "$prog" ] && {
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echo "$(basename $0): unknown command: $1" >&2
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exit 1
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}
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shift # remove $1, now $prog, from args
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tty -s && exec </dev/null # if stdin is a terminal, redirect from null
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tty -s <&1 && exec >/dev/null # if stdout is a terminal, redirect to null
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tty -s <&2 && exec 2>&1 # stderr to stdout (which might not be null)
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"$prog" "$@" & # $@ is all args
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''
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