bin/casper-reconfigure

   1 #! /bin/sh
   2
   3 set -e
   4 export PATH=/usr/bin:/usr/sbin:/sbin:/bin
   5
   6 frontend=noninteractive
   7
   8 findcommandinroot() {
   9     ROOT="$1/"
  10     shift
  11     while [ "$#" -ge 1 ]; do
  12         P="$PATH"
  13         while [ "$P" ]; do
  14             D=${P%%:*}
  15             P=${P#*:}
  16             if [ "$D" = "$P" ]; then
  17                 P=
  18             fi
  19             if [ -z "$D" ]; then
  20                 D=.
  21             fi
  22             if [ -x "$ROOT$D/$1" ]; then
  23                 echo "$D/$1"
  24                 return 0
  25             fi
  26         done
  27         shift
  28     done
  29     return 1
  30 }
  31
  32 runcommandinroot() {
  33     C=$(findcommandinroot "$1" "$2")
  34     ROOT="$1"
  35     shift
  36     shift
  37     [ -n "$C" ] && chroot "$ROOT" "$C" "$@"
  38 }
  39
  40 root="$1"
  41 package="$2"
  42
  43 version=$(runcommandinroot "$root" dpkg-query -W --showformat='${Version}' "$package" 2>/dev/null) || version=""
  44
  45 if [ -z "$version" ]; then
  46     echo >&2 "$0: package '$package' is not installed"
  47     exit 0
  48 fi
  49
  50 runcommandinroot "$root" dpkg-reconfigure -fnoninteractive --no-reload "$package"
  51
  52 exit 0