src/scripts/find-prerequires

   1 #!/bin/bash
   2 ###############################################################################
   3 #                                                                             #
   4 # Pakfire - The IPFire package management system                              #
   5 # Copyright (C) 2021 Pakfire development team                                 #
   6 #                                                                             #
   7 # This program is free software: you can redistribute it and/or modify        #
   8 # it under the terms of the GNU General Public License as published by        #
   9 # the Free Software Foundation, either version 3 of the License, or           #
  10 # (at your option) any later version.                                         #
  11 #                                                                             #
  12 # This program is distributed in the hope that it will be useful,             #
  13 # but WITHOUT ANY WARRANTY; without even the implied warranty of              #
  14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the               #
  15 # GNU General Public License for more details.                                #
  16 #                                                                             #
  17 # You should have received a copy of the GNU General Public License           #
  18 # along with this program.  If not, see <http://www.gnu.org/licenses/>.       #
  19 #                                                                             #
  20 ###############################################################################
  21
  22 error() {
  23         echo "$@" >&2
  24 }
  25
  26 main() {
  27         local scriptlet="${1}"
  28
  29         if [ ! -r "${scriptlet}" ]; then
  30                 error "Input file is not readable"
  31                 return 1
  32         fi
  33
  34         # We require a shell
  35         echo "/bin/sh"
  36
  37         local req
  38         while read -r req; do
  39                 case "${req}" in
  40                         /*)
  41                                 echo "${req}"
  42                                 ;;
  43                         *)
  44                                 which "${req}" 2>/dev/null
  45                                 ;;
  46                 esac
  47         done < <(bash --rpm-requires < "${scriptlet}" | sed -e "s/^.*(//;s/)$//" | sort -u)
  48
  49         return 0
  50 }
  51
  52 main "$@" || exit $?