poldek-config.sh

   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: $0 [options] command
  15
  16 Commands:
  17
  18 ignore [PACKAGE] [PACKAGE...]
  19     Ignore package list - packages fits given mask will be invisible.
  20
  21 hold [PACKAGE] [PACKAGE...]
  22     Prevent package listed from being upgraded if they are already installed.
  23
  24 EOF
  25 }
  26
  27 die() {
  28         echo >&2 "$PROGRAM: $*"
  29         exit 1
  30 }
  31
  32 option_set() {
  33         local option="$1"; shift
  34         sed -i -e "/^$option/ s/.*/$option = $*/" "$poldek_conf"
  35 }
  36
  37 # parse command line args
  38 parse_arguments() {
  39         t=$(getopt -o h --long help -n "$PROGRAM" -- "$@")
  40         [ $? != 0 ] && exit $?
  41         eval set -- "$t"
  42
  43         while :; do
  44                 case "$1" in
  45                 -h|--help)
  46                         usage
  47                         exit 0
  48                 ;;
  49                 --)
  50                         shift
  51                         break
  52                 ;;
  53                 *)
  54                         die "Internal error: [$1] not recognized!"
  55                 ;;
  56                 esac
  57                 shift
  58         done
  59
  60         if [ $# = 0 ]; then
  61                 usage
  62                 exit 1
  63         fi
  64
  65         command=$1; shift
  66         arguments="$*"
  67 }
  68
  69 main() {
  70         parse_arguments "$@"
  71
  72         case "$command" in
  73                 ignore|hold)
  74                         option_set "$command" "$arguments"
  75                         ;;
  76                 *)
  77                         die "Unknown command: $command"
  78                         ;;
  79         esac
  80 }
  81
  82 PROGRAM="${0##*/}"
  83 poldek_conf=/etc/poldek/poldek.conf
  84
  85 main "$@"