debian/nbd-server.postinst

   1 #! /bin/bash
   2 # postinst script for nbd
   3 #
   4 # see: dh_installdeb(1)
   5
   6 set -e
   7
   8 . /usr/share/debconf/confmodule
   9
  10 # Quotes each argument for shell expression inclusion, to prevent
  11 # interpretation of special characters.
  12 function shell_quote () {
  13        local first=true
  14        while [ "$#" -gt 0 ]; do
  15                if [ ! "$first" ]; then
  16                        echo -n ' '
  17                fi
  18                # sed expression transforms instances of ' to '\''
  19                echo -n "'$(echo "$1" | sed -e "s/'/'\\\\''/g")'"
  20                first=
  21                shift
  22        done
  23 }
  24
  25 case "$1" in
  26     configure)
  27         if [ -f /etc/nbd-server -o -f /etc/nbd-server.oldconf ]
  28         then
  29             db_get nbd-server/convert
  30             if [ "$RET" = "true" ]
  31             then
  32                 convert_config;
  33                 exit 0;
  34             fi
  35         fi
  36         db_get nbd-server/number
  37         NUMBER=${RET:-0}
  38         umask 066
  39         if [ "$NUMBER" -gt 0 ]
  40         then
  41             TMPFILE=`mktemp /tmp/nbd-server.XXXXXX`
  42             cat /usr/share/nbd-server/nbd-server.conf.tmpl > $TMPFILE
  43             db_get nbd-server/useports
  44             DOPORTS="$RET"
  45             if [ "$DOPORTS" ]
  46             then
  47               echo "    oldstyle = true" >> $TMPFILE
  48             fi
  49             for i in $(seq 0 $(( $NUMBER - 1 )) )
  50             do
  51               # stay downward compatible
  52               if [ "$i" -eq 0 ]
  53               then
  54                   unset i
  55               fi
  56               db_get nbd-server/port$i
  57               PORT=$RET
  58               db_get nbd-server/name$i
  59               NAME=$RET
  60               db_get nbd-server/filename$i
  61               FN=$RET
  62               (   echo "[$NAME]"
  63                   echo "        exportname = $FN"
  64               ) >> $TMPFILE
  65               if [ $DOPORTS ]
  66               then
  67                   echo "        port = $PORT" >> $TMPFILE
  68               fi
  69             done
  70             ucf --debconf-ok $TMPFILE /etc/nbd-server/config
  71         else
  72             ucf --debconf-ok /usr/share/nbd-server/nbd-server.conf.tmpl /etc/nbd-server/config
  73         fi
  74         if ! id nbd >/dev/null 2>&1; then
  75             adduser --system --group --home /etc/nbd-server --no-create-home nbd
  76         fi
  77         ;;
  78
  79     abort-upgrade|abort-remove|abort-deconfigure)
  80
  81         ;;
  82
  83     *)
  84         echo "postinst called with unknown argument \`$1'">&2
  85         exit 0
  86         ;;
  87 esac
  88
  89 db_stop
  90
  91 # dh_installdeb will replace this with shell code automatically
  92 # generated by other debhelper scripts.
  93
  94 #DEBHELPER#
  95
  96 exit 0