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 OLDLS=`ls -ld $ARCHIVES`
  43 if [ x$WAIT = "xyes" ]; then
  44    $APTGET $OPTS -d dselect-upgrade
  45    echo "Press enter to continue." && read RES
  46    $APTGET $OPTS dselect-upgrade
  47    RES=$?
  48 else
  49    $APTGET $OPTS dselect-upgrade
  50    RES=$?
  51 fi
  52
  53 # 1 means the user choose no at the prompt
  54 if [ $RES -eq 1 ]; then
  55   exit 0
  56 fi
  57
  58 # Finished OK
  59 if [ $RES -eq 0 ]; then
  60
  61    if [ `ls $ARCHIVES $ARCHIVES/partial | egrep -v "^lock$|^partial$" | wc -l` \
  62         -eq 0 ]; then
  63       exit 0
  64    fi
  65
  66    NEWLS=`ls -ld $ARCHIVES`
  67    if [ "x$OLDLS" == "x$NEWLS" ]; then
  68       exit 0
  69    fi
  70
  71    # Check the cleaning mode
  72    case `echo $CLEAN | tr '[:upper:]' '[:lower:]'` in
  73      auto)
  74        $APTGET autoclean && echo "Press enter to continue." && read RES && exit 0;
  75        ;;
  76      always)
  77        $APTGET clean && echo "Press enter to continue." && read RES && exit 0;
  78        ;;
  79      prompt)
  80        exec 3>&1
  81        if [ `yesno "Do you want to erase the downloaded .deb files?" y` = y ]; then
  82           $APTGET clean && echo "Press enter to continue." && read RES && exit 0;
  83        fi
  84        ;;
  85      *)
  86        ;;
  87    esac
  88 else
  89    echo "Some errors occurred while unpacking. I'm going to configure the"
  90    echo "packages that were installed. This may result in duplicate errors"
  91    echo "or errors caused by missing dependencies. This is OK, only the errors"
  92    echo "above this message are important. Please fix them and run [I]nstall again"
  93    echo "Press enter to continue."
  94    read RES && $DPKG --configure -a
  95    exit 100
  96 fi
  97
  98 exit $?