chiark - git - mdw - dpkg/blob - dselect/methods/disk/update

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