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                       WAIT DSelect::WaitAfterDownload`
  13 eval $RES
  14 set +e
  15
  16 # Yes/No Prompter
  17 yesno() {
  18 # $1 = prompt
  19 # $2 = default(y)
  20         local ans def defp
  21         if [ "$2" ];then
  22                 case $2 in
  23                         Y|y)    defp="[Y/n]" def=y;;
  24                         N|n)    defp="[y/N]" def=n;;
  25                         *)      echo "Bad default setting!" 1>&2; exit 1;;
  26                 esac
  27         else
  28                 defp="[y/N]" def=n
  29         fi
  30         while :;do
  31                 echo -n "$1 $defp" 1>&3
  32                 read ans
  33                 case $ans in
  34                         Y|y|N|n)        break;;
  35                         "")             ans=$def;break;;
  36                 esac
  37                 echo
  38         done
  39         echo $ans | tr YN yn
  40 }
  41
  42 if [ x$WAIT = "xyes" ]; then
  43    $APTGET $OPTS -d dselect-upgrade
  44    echo "Press enter to continue." && read RES
  45    $APTGET $OPTS dselect-upgrade
  46    RES=$?
  47 else
  48    $APTGET $OPTS dselect-upgrade
  49    RES=$?
  50 fi
  51
  52 # 1 means the user choose no at the prompt
  53 if [ $RES -eq 1 ]; then
  54   exit 0
  55 fi
  56
  57 # Finished OK
  58 if [ $RES -eq 0 ]; then
  59
  60    if [ `ls $ARCHIVES $ARCHIVES/partial | egrep -v "^lock$|^partial$" | wc -l` \
  61         -eq 0 ]; then
  62       exit 0
  63    fi
  64
  65    # Check the cleaning mode
  66    case `echo $CLEAN | tr '[:upper:]' '[:lower:]'` in
  67      auto)
  68        $APTGET autoclean && echo "Press enter to continue." && read RES && exit 0;
  69        ;;
  70      always)
  71        $APTGET clean && echo "Press enter to continue." && read RES && exit 0;
  72        ;;
  73      prompt)
  74        exec 3>&1
  75        if [ `yesno "Do you want to erase the downloaded .deb files?" y` = y ]; then
  76           $APTGET clean && echo "Press enter to continue." && read RES && exit 0;
  77        fi
  78        ;;
  79      *)
  80        ;;
  81    esac
  82 else
  83    echo "Some errors occurred while unpacking. I'm going to configure the"
  84    echo "packages that were installed. This may result in duplicate errors"
  85    echo "or errors caused by missing dependencies. This is OK, only the errors"
  86    echo "above this message are important. Please fix them and run [I]nstall again"
  87    echo "Press enter to continue."
  88    read RES && $DPKG --configure -a
  89    exit 100
  90 fi
  91
  92 exit $?