pkgs/core/pakfire/src/decompressor

   1 #!/bin/bash
   2 ###############################################################################
   3 #                                                                             #
   4 # IPFire.org - A linux based firewall                                         #
   5 # Copyright (C) 2007, 2008, 2009 Michael Tremer & Christian Schmidt           #
   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 FILES=
  23 ROOT=/
  24
  25 while [ $# -gt 0 ]; do
  26         case "$1" in
  27                 --root=*)
  28                         ROOT=${1#--root=}
  29                         ;;
  30                 *.ipk)
  31                         file=$1
  32                         [ ${file:0:1} != / ] && file="$(pwd)/$file"
  33                         if [ -e "$file" ]; then
  34                                 FILES="$FILES $file"
  35                         else
  36                                 echo "File does not exist: $file" >&2
  37                                 #exit 1
  38                         fi
  39                         ;;
  40         esac
  41         shift
  42 done
  43
  44 if [ "$ROOT" != "/" ]; then
  45         [ -d "$ROOT" ] || mkdir -p $ROOT
  46         cd $ROOT
  47         if [ "$(pwd)" != "$ROOT" ]; then
  48                 echo "Could not change to root: $ROOT" >&2
  49                 exit 1
  50         fi
  51 fi
  52
  53 # Sort all packages
  54 FILES=$(for i in $FILES; do echo $i; done | sort -u)
  55
  56 for file in $FILES; do
  57         echo "Extracting $file..."
  58         cpio --extract --quiet -H newc --to-stdout data.img < $file | \
  59                 tar --extract --xz -C ${ROOT}
  60 done