sh-lib


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function package_deps(){
	pkgs=
	for pkg in $@; do
		if ! dpkg -l $pkg 2>&1 >/dev/null; then
			pkgs="$pkgs $pkg"
		fi
	done
	if [ "$pkgs" != "" ]; then
                apt-get update
		apt-get --no-install-recommends install $pkgs
	fi
}