1#!/bin/sh
2
3linenum=LINENUMBERPLACEHOLDER
4
5UNPACKDIR=/var/tmp/unpack_PRODUCTNAMEPLACEHOLDER
6diskSpaceRequired=DISCSPACEPLACEHOLDER
7checksum=CHECKSUMPLACEHOLDER
8
9EXTRACTONLY="no"
10if [ "$1" = "-x" ]
11then
12    EXTRACTONLY=yes
13fi
14
15# Determining current platform
16
17platform=`uname -s`
18
19case $platform in
20SunOS)
21  tail_prog="tail"
22  ;;
23Linux)
24  tail_prog="tail -n"
25  ;;
26*)
27  tail_prog="tail"
28  ;;
29esac
30
31# Asking for the unpack directory
32
33echo
34echo "Select the directory in which to save the unpacked files. [$UNPACKDIR] "
35read reply leftover
36if [ "x$reply" != "x" ]
37then
38  UNPACKDIR="$reply"
39fi
40
41if [ -d $UNPACKDIR ]; then
42    printf "Directory $UNPACKDIR already exists.\n"
43    printf "Please select a new directory name.\n"
44    exit 1
45fi
46
47# Unpacking
48
49mkdir -m 700 $UNPACKDIR
50
51diskSpace=`df -k $UNPACKDIR | $tail_prog -1 | awk '{if ( $4 ~ /%/) { print $3 } else { print $4 } }'`
52if [ $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
56fi
57
58trap 'rm -rf $UNPACKDIR; exit 1' HUP INT QUIT TERM
59
60if [ -x /usr/bin/sum ] ; then
61    echo "File is being checked for errors ..."
62
63	sum=`$tail_prog +$linenum $0 | /usr/bin/sum`
64    sum=`echo $sum | awk '{ print $1 }'`
65
66    if [ $sum != $checksum ]; then
67		echo "The download file appears to be corrupted. Please download PRODUCTNAMEPLACEHOLDER again."
68		exit 1
69	fi
70fi
71
72echo "Unpacking ..."
73
74$tail_prog +$linenum $0 | (cd $UNPACKDIR; tar xf -)
75
76echo "All files have been successfully unpacked."
77
78if [ "$EXTRACTONLY" != "yes" ]
79then
80  if [ -f $UNPACKDIR/setup ]
81  then
82      chmod 775 $UNPACKDIR/setup
83      $UNPACKDIR/setup
84  fi
85fi
86
87exit 0
88