dselect/install

   1 #!/bin/sh
   2
   3 # Get the configuration from /etc/apt/apt.conf
   4 CLEAN="prompt"
   5 OPTS="-f"
   6 APTGET="/usr/bin/apt-get"
   7 DPKG="/usr/bin/dpkg"
   8 set -e
   9 RES=`apt-config shell CLEAN DSelect::Clean OPTS DSelect::Options \
  10                       DPKG Dir::Bin::dpkg APTGET Dir::Bin::apt-get \
  11                       ARCHIVES Dir::Cache::Archives/`
  12 eval $RES
  13 set +e
  14
  15 # Yes/No Prompter
  16 yesno() {
  17 # $1 = prompt
  18 # $2 = default(y)
  19         local ans def defp
  20         if [ "$2" ];then
  21                 case $2 in
  22                         Y|y)    defp="(Y/n)" def=y;;
  23                         N|n)    defp="(y/N)" def=n;;
  24                         *)      echo "Bad default setting!" 1>&2; exit 1;;
  25                 esac
  26         else
  27                 defp="(y/N)" def=n
  28         fi
  29         while :;do
  30                 echo -n "$1$defp" 1>&3
  31                 read ans
  32                 case $ans in
  33                         Y|y|N|n)        break;;
  34                         "")             ans=$def;break;;
  35                 esac
  36                 echo
  37         done
  38         echo $ans | tr YN yn
  39 }
  40
  41 $APTGET $OPTS dselect-upgrade
  42 RES=$?
  43
  44 # 1 means the user choose no at the prompt
  45 if [ $RES -eq 1 ]; then
  46   exit 0
  47 fi
  48
  49 # Finished OK
  50 if [ $RES -eq 0 ]; then
  51
  52    if [ `ls $ARCHIVES $ARCHIVES/partial | egrep -v "^lock$|^partial$" | wc -l` \
  53         -eq 0 ]; then
  54       exit 0
  55    fi
  56
  57    # Check the cleaning mode
  58    case `echo $CLEAN | tr '[:upper:]' '[:lower:]'` in
  59      auto)
  60        $APTGET autoclean && echo "Press enter to continue." && read RES && exit 0;
  61        ;;
  62      always)
  63        $APTGET clean && echo "Press enter to continue." && read RES && exit 0;
  64        ;;
  65      prompt)
  66        exec 3>&1
  67        if [ `yesno "Do you want to erase the downloaded .deb files " y` = y ]; then
  68           $APTGET clean && echo "Press enter to continue." && read RES && exit 0;
  69        fi
  70        ;;
  71      *)
  72        ;;
  73    esac
  74 else
  75    echo "Some errors occurred while unpacking. I'm going to configure the"
  76    echo "packages that were installed. This may result in duplicate errors"
  77    echo "or errors caused by missing dependencies. This is OK, only the errors"
  78    echo "above this message are important. Please fix them and run [I]nstall again"
  79    echo "Press enter to continue."
  80    read RES && $DPKG --configure -a
  81    exit 100
  82 fi
  83
  84 exit $?