etc/iOS/redeb.sh

   1 #!/bin/sh
   2 #
   3 # http://modmyi.com/forums/general/713564-how-repack-dpkgs.html#post7205248
   4 #
   5 # redeb.sh - Command line utility for rewrapping installed Debian-packages
   6 # Copyright (C) 2015 Ikem Krueger <ikem.krueger@gmail.com>
   7 # Copyright (C) 2003 Tommi Saviranta <tsaviran@cs.helsinki.fi>
   8 #
   9 # This program is free software; you can redistribute it and/or
  10 # modify it under the terms of the GNU General Public License
  11 # as published by the Free Software Foundation; either version 2
  12 # of the License, or (at your option) any later version.
  13 #
  14 # This program is distributed in the hope that it will be useful,
  15 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  16 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17 # GNU General Public License for more details.
  18 #
  19 # You should have received a copy of the GNU General Public License
  20 # along with this program; if not, write to the Free Software
  21 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  22 #
  23 #
  24 # Version: redeb.sh v1.0.0  15-January-2015  ikem.krueger@gmail.com
  25
  26 BASENAME="${0##*/}"
  27 PWD_OLD="$PWD"
  28 PACKAGE="$1"
  29 TEMP="/tmp/$BASENAME-$$/$PACKAGE"
  30
  31 if [ $# -ne 1 ]
  32 then
  33         echo "Usage: $BASENAME <PACKAGE>"
  34
  35         exit 0
  36 fi
  37
  38 # See if such package is installed.
  39 if [ ! -f "/var/lib/dpkg/info/$PACKAGE.list" ]
  40 then
  41         echo "No such package installed."
  42
  43         exit 1
  44 fi
  45
  46 # Create temporary directory.
  47 mkdir -p "$TEMP"
  48 cd "$TEMP"
  49
  50 # Get file list for this package.
  51 for FILE in $(cat "/var/lib/dpkg/info/$PACKAGE.list")
  52 do
  53         test -f "$FILE" && echo "$FILE">>filelist.tmp
  54 done
  55
  56 # Copy files here.
  57 tar -cf - $(cat filelist.tmp)|tar -xf -
  58
  59 # Create package-info.
  60 mkdir DEBIAN
  61
  62 cp /var/lib/dpkg/info/$PACKAGE.* DEBIAN
  63
  64 rm "DEBIAN/$PACKAGE.list"
  65
  66 TOTAL=$(wc -l /var/lib/dpkg/available|cut -d ' ' -f 1)
  67 BEGIN=$(grep -nx "Package: $PACKAGE" /var/lib/dpkg/available|cut -d ':' -f 1)
  68
  69 tail -n $(expr $TOTAL - $BEGIN + 1) /var/lib/dpkg/available>control.tmp
  70
  71 LENGTH=$(grep -nx "" control.tmp|cut -d ':' -f 1|head -n 1)
  72
  73 head -n $LENGTH control.tmp>DEBIAN/control
  74
  75 # Get package info
  76 VERSION=$(grep -E "^Version:" DEBIAN/control|cut -d ' ' -f 2|cut -d ':' -f 2)
  77 ARCH=$(grep -E "^Architecture:" DEBIAN/control|cut -d ' ' -f 2)
  78
  79 # Clean up.
  80 rm -f control.tmp filelist.tmp
  81
  82 # Create package.
  83 cd ..
  84 dpkg-deb -b "$TEMP" "$PWD_OLD/${PACKAGE}_${VERSION}_${ARCH}.deb"
  85
  86 # Clean up the rest.
  87 rm -rf "$TEMP"