dselect/methods/media/update.sh

   1 #!/bin/sh
   2 #
   3 # Copyright © 1995-1998 Ian Jackson <ijackson@chiark.greenend.org.uk>
   4 # Copyright © 1998 Heiko Schlittermann <hs@schlittermann.de>
   5 #
   6 # This is free software; you can redistribute it and/or modify
   7 # it under the terms of the GNU General Public License as published by
   8 # the Free Software Foundation; either version 2 of the License, or
   9 # (at your option) any later version.
  10 #
  11 # This program is distributed in the hope that it will be useful,
  12 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 # GNU General Public License for more details.
  15 #
  16 # You should have received a copy of the GNU General Public License
  17 # along with this program.  If not, see <https://www.gnu.org/licenses/>.
  18
  19 set -e
  20 vardir="$1"
  21 method=$2
  22 option=$3
  23 iarch=$(dpkg --print-architecture)
  24
  25 cd "$vardir/methods/$method"
  26
  27 . ./shvar.$option
  28
  29 #debug() { echo "DEBUG: $@"; }
  30 debug() {
  31   true
  32 }
  33
  34 packages=0
  35 for f in main ctb nf lcl; do
  36   eval 'this_packages=$p_'$f'_packages'
  37
  38   if [ -n "$this_packages" ]; then
  39     packages=1
  40   fi
  41 done
  42
  43 if [ $packages eq 0 ]; then
  44   echo '
  45 No Packages files available, cannot update available packages list.
  46 Hit RETURN to continue.  '
  47   read response
  48   exit 0
  49 fi
  50
  51 xit=1
  52 trap '
  53   for area in main ctb nf lcl; do
  54     rm -f packages-$area
  55   done
  56   if [ -n "$umount" ]; then
  57     umount "$umount" >/dev/null 2>&1
  58   fi
  59   exit $xit
  60 ' 0
  61
  62 if [ ! -b "$p_blockdev" ]; then
  63   loop=",loop"
  64 fi
  65
  66 if [ -n "$p_blockdev" ]; then
  67   umount="$p_mountpoint"
  68   mount -rt "$p_fstype" -o nosuid,nodev${loop} "$p_blockdev" "$p_mountpoint"
  69 fi
  70
  71 updatetype=update
  72
  73 if [ -z "$p_multi" ]; then
  74   exit 1
  75 fi
  76
  77 for f in main ctb nf lcl; do
  78   eval 'this_packages=$p_'$f'_packages'
  79   case "$this_packages" in
  80   '')
  81     continue
  82     ;;
  83   scan)
  84     eval 'this_binary=$p_'$f'_binary'
  85     if [ -z "$this_binary" ]; then
  86       continue
  87     fi
  88     if [ "$updatetype" = update ]; then
  89       dpkg --clear-avail
  90       updatetype=merge
  91     fi
  92     echo Running dpkg --record-avail -R "$p_mountpoint$this_binary"
  93     dpkg --record-avail -R "$p_mountpoint$this_binary"
  94     ;;
  95   *)
  96     packagesfile="$p_mountpoint$this_packages"
  97     case "$packagesfile" in
  98     *.gz)
  99       echo -n "Uncompressing $packagesfile ... "
 100       zcat <"$packagesfile" >packages-$f
 101       echo done.
 102       dpkg --$updatetype-avail packages-$f
 103       updatetype=merge
 104       ;;
 105     '')
 106       ;;
 107     *)
 108       dpkg --$updatetype-avail "$packagesfile"
 109       updatetype=merge
 110       ;;
 111     esac
 112   ;;
 113   esac
 114 done
 115
 116 cp -f $vardir/available $vardir/methods/$method
 117
 118 echo -n 'Update OK.  Hit RETURN.  '
 119 read response
 120
 121 xit=0