setup_native/scripts/downloadscript.sh

   1 #!/bin/sh
   2
   3 linenum=LINENUMBERPLACEHOLDER
   4
   5 UNPACKDIR=/var/tmp/unpack_PRODUCTNAMEPLACEHOLDER
   6 diskSpaceRequired=DISCSPACEPLACEHOLDER
   7 checksum=CHECKSUMPLACEHOLDER
   8
   9 EXTRACTONLY="no"
  10 if [ "$1" = "-x" ]
  11 then
  12     EXTRACTONLY=yes
  13 fi
  14
  15 # Determining current platform
  16
  17 platform=`uname -s`
  18
  19 case $platform in
  20 SunOS)
  21   tail_prog="tail"
  22   ;;
  23 Linux)
  24   tail_prog="tail -n"
  25   ;;
  26 *)
  27   tail_prog="tail"
  28   ;;
  29 esac
  30
  31 # Asking for the unpack directory
  32
  33 echo
  34 echo "Select the directory in which to save the unpacked files. [$UNPACKDIR] "
  35 read reply leftover
  36 if [ "x$reply" != "x" ]
  37 then
  38   UNPACKDIR="$reply"
  39 fi
  40
  41 if [ -d $UNPACKDIR ]; then
  42     printf "Directory $UNPACKDIR already exists.\n"
  43     printf "Please select a new directory name.\n"
  44     exit 1
  45 fi
  46
  47 # Unpacking
  48
  49 mkdir -m 700 $UNPACKDIR
  50
  51 diskSpace=`df -k $UNPACKDIR | $tail_prog -1 | awk '{if ( $4 ~ /%/) { print $3 } else { print $4 } }'`
  52 if [ $diskSpace -lt $diskSpaceRequired ]; then
  53     printf "The selected drive does not have enough disk space available.\n"
  54     printf "PRODUCTNAMEPLACEHOLDER requires at least %s kByte.\n" $diskSpaceRequired
  55     exit 1
  56 fi
  57
  58 trap 'rm -rf $UNPACKDIR; exit 1' HUP INT QUIT TERM
  59
  60 if [ -x /usr/bin/sum ] ; then
  61     echo "File is being checked for errors ..."
  62
  63     sum=`$tail_prog +$linenum $0 | /usr/bin/sum`
  64     sum=`echo $sum | awk '{ print $1 }'`
  65
  66     if [ $sum != $checksum ]; then
  67         echo "The download file appears to be corrupted. Please download PRODUCTNAMEPLACEHOLDER again."
  68         exit 1
  69     fi
  70 fi
  71
  72 echo "Unpacking ..."
  73
  74 $tail_prog +$linenum $0 | (cd $UNPACKDIR; tar xf -)
  75
  76 echo "All files have been successfully unpacked."
  77
  78 if [ "$EXTRACTONLY" != "yes" ]
  79 then
  80   if [ -f $UNPACKDIR/setup ]
  81   then
  82       chmod 775 $UNPACKDIR/setup
  83       $UNPACKDIR/setup
  84   fi
  85 fi
  86
  87 exit 0