[packages/poldek.git] / poldek-config.sh

#!/bin/sh
#
# poldek-config - poldek(1) configuration program
#
# poldek-config is an program to provide consistent configurability.
# It accesses the main configuration file /etc/poldek/poldek.conf(5)
# in a manner that is easy to use by scripted applications.
#
# Author: Elan Ruusamäe <glen@pld-linux.org>
# Date: 2015-11-13

usage() {
	cat <<EOF
Usage: $0 [options] command

Commands:

ignore [PACKAGE] [PACKAGE...]
    Ignore package list - packages fits given mask will be invisible.

hold [PACKAGE] [PACKAGE...]
    Prevent package listed from being upgraded if they are already installed.

keep_downloads yes|no
    Do not remove downloaded packages after its successful installation.

cachedir /var/cache/poldek
    Cache directory for downloaded files. NOTE that parent directory of cachedir must exist.

EOF
}

die() {
	echo >&2 "$PROGRAM: $*"
	exit 1
}

option_set() {
	local option="$1"; shift
	sed -i -re "/^#?$option\s*=/ s#.*#$option = $*#" "$poldek_conf"
}

# parse command line args
parse_arguments() {
	t=$(getopt -o hc: --long help -n "$PROGRAM" -- "$@")
	[ $? != 0 ] && exit $?
	eval set -- "$t"

	while :; do
		case "$1" in
		-h|--help)
			usage
			exit 0
		;;
		-c)
			shift
			poldek_conf=$1
		;;
		--)
			shift
			break
		;;
		*)
			die "Internal error: [$1] not recognized!"
		;;
		esac
		shift
	done

	if [ $# = 0 ]; then
		usage
		exit 1
	fi

	command=$1; shift
	arguments="$*"
}

main() {
	parse_arguments "$@"

	case "$command" in
		ignore|hold)
			option_set "$command" "$arguments"
			;;
		keep_downloads)
			option_set "keep downloads" "$arguments"
			;;
		cachedir|cache_dir)
			option_set "cachedir" "$arguments"
			;;
		*)
			die "Unknown command: $command"
			;;
	esac
}

PROGRAM="${0##*/}"
poldek_conf=/etc/poldek/poldek.conf

main "$@"
Commit	Line	Data
	1	#!/bin/sh
	2	#
	3	# poldek-config - poldek(1) configuration program
	4	#
	5	# poldek-config is an program to provide consistent configurability.
	6	# It accesses the main configuration file /etc/poldek/poldek.conf(5)
	7	# in a manner that is easy to use by scripted applications.
	8	#
	9	# Author: Elan Ruusamäe <glen@pld-linux.org>
	10	# Date: 2015-11-13
	11
	12	usage() {
	13	cat <<EOF
	14	Usage: $0 [options] command
	15
	16	Commands:
	17
	18	ignore [PACKAGE] [PACKAGE...]
	19	Ignore package list - packages fits given mask will be invisible.
	20
	21	hold [PACKAGE] [PACKAGE...]
	22	Prevent package listed from being upgraded if they are already installed.
	23
	24	keep_downloads yes\|no
	25	Do not remove downloaded packages after its successful installation.
	26
	27	cachedir /var/cache/poldek
	28	Cache directory for downloaded files. NOTE that parent directory of cachedir must exist.
	29
	30	EOF
	31	}
	32
	33	die() {
	34	echo >&2 "$PROGRAM: $*"
	35	exit 1
	36	}
	37
	38	option_set() {
	39	local option="$1"; shift
	40	sed -i -re "/^#?$option\s=/ s#.#$option = $*#" "$poldek_conf"
	41	}
	42
	43	# parse command line args
	44	parse_arguments() {
	45	t=$(getopt -o hc: --long help -n "$PROGRAM" -- "$@")
	46	[ $? != 0 ] && exit $?
	47	eval set -- "$t"
	48
	49	while :; do
	50	case "$1" in
	51	-h\|--help)
	52	usage
	53	exit 0
	54	;;
	55	-c)
	56	shift
	57	poldek_conf=$1
	58	;;
	59	--)
	60	shift
	61	break
	62	;;
	63	*)
	64	die "Internal error: [$1] not recognized!"
	65	;;
	66	esac
	67	shift
	68	done
	69
	70	if [ $# = 0 ]; then
	71	usage
	72	exit 1
	73	fi
	74
	75	command=$1; shift
	76	arguments="$*"
	77	}
	78
	79	main() {
	80	parse_arguments "$@"
	81
	82	case "$command" in
	83	ignore\|hold)
	84	option_set "$command" "$arguments"
	85	;;
	86	keep_downloads)
	87	option_set "keep downloads" "$arguments"
	88	;;
	89	cachedir\|cache_dir)
	90	option_set "cachedir" "$arguments"
	91	;;
	92	*)
	93	die "Unknown command: $command"
	94	;;
	95	esac
	96	}
	97
	98	PROGRAM="${0##*/}"
	99	poldek_conf=/etc/poldek/poldek.conf
	100
	101	main "$@"