#!/bin/sh

log()
{
	echo $@ >&2
}

err()
{
	echo $@ >&2
}

fatal()
{
	err "Giving up: $@"
	exit 1
}

usage()
{
	cat<<-EOT
	$myname cmd args
	EOT
}

run()
{
	log "Running ==== $@"
	eval "$@"
}

cmd_install()
{
	local env opts global_opts
	local non_interactive

	set -- `getopt 'y' $*`
	while [ "$1" != -- ] ; do
		case "$1" in
		-y)
			non_interactive=1
			;;
		esac
		shift
	done
	shift

	case $ID in
	opensuse|suse)
		[ "$non_interactive" = 1 ] && {
			opts="--force-resolution --auto-agree-with-licenses"
			global_opts="$global_opts --non-interactive --gpg-auto-import-keys --no-gpg-checks"
		}
		eval run sudo $env zypper $global_opts install $opts "$@"
		;;
	debian)
		[ "$non_interactive" = 1 ] && {
			global_opts="$global_opts -yq"
			env="$env DEBIAN_FRONTEND=noninteractive"
		}
		eval run sudo $env apt-get $global_opts install "$@"
		;;
	*)
		fatal "Tried to install on unsupported platform \"$ID\""
		;;
	esac
}

cmd_refresh()
{
	local env opts global_opts
	local non_interactive

	set -- `getopt 'y' $*`
	while [ "$1" != -- ] ; do
		case "$1" in
		-y)
			non_interactive=1
			;;
		esac
		shift
	done
	shift

	case $ID in
	opensuse|suse)
		[ "$non_interactive" = 1 ] && {
			global_opts="$global_opts --non-interactive --gpg-auto-import-keys --no-gpg-checks"
		}
		eval run sudo $env zypper $global_opts refresh $opts "$@"
		;;
	debian)
		eval run sudo $env apt-get $global_opts update "$@"
		;;
	*)
		fatal "Tried to update unsupported platform \"$ID\""
		;;
	esac
}

# -- here we go
myname=`basename $0`
. /etc/os-release
cmd="$1"
shift
eval cmd_$cmd "$@"