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#!/bin/bash
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if test -z "$BASH"; then
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cmd="$0"
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if test "`basename $0`" = "$0"; then
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cmd="./$0"
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fi
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echo "This script is designed to be run using GNU bash."
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echo "Try: chmod +x $0 && $cmd"
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exit 1
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fi
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my_which_real()
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{
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test -n "$1" || return 1
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local i
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local part
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for (( i=1; ; i++ )); do
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part=`echo "$PATH" | cut -d ':' -f $i`
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test -n "$part" || return 1
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if test -x "$part/$1"; then echo "$part/$1"; return 0; fi
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done
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}
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my_which()
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{
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local out
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local r
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out=`my_which_real "$1"`
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r=$?
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if test -z "$out" -o $r = 1 ; then echo "ERROR: $1 command not found on system" 1>&2;exit 1;fi
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echo $out
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return $r
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}
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progressbit()
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{
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local i
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local pbar
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local line
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i=0
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pbar="-\\|/"
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while read line; do
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((i++))
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j=$(($i % ${#pbar}))
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echo -ne "\r${pbar:$j:1} Extracting..."
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done
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}
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mktempdir()
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{
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local tempdir
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tempdir=/tmp/ext`$dd if=/dev/urandom bs=128 count=1 2>/dev/null | $md5sum - | cut -c 1-6`
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echo $tempdir
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return 0
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}
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getdata()
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{
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offset=`$cat $0 | $grep -an '^##DATA' | cut -d ':' -f 1 || exit 1`
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offset=$((offset + 1))
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$cat $0 | $tail -n+$offset
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}
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for cmd in bzip2 tar grep tail cat wc dd md5sum; do
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my_which $cmd>/dev/null || exit 1
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eval $cmd=`my_which $cmd`
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if test x$? = x1; then
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exit 1
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fi
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done
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tempdir=""
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extractonly=0
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while test -n "$1"; do
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case "$1" in
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-x)
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extractonly=1
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if test -n "$2"; then
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tempdir=$2
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else
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tempdir=`echo $0 | sed -re 's/\.[a-z0-9_-]{1,5}$//'`
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fi
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;;
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esac
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shift
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done
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test -n "$tempdir" || tempdir=`mktempdir`
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if test -d "$tempdir"; then
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if test $extractonly = 1; then
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i=0
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basetemp="$tempdir"
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while test -d "$tempdir"; do
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tempdir="${basetemp}${i}"
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((i++))
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done
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else
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while test -d "$tempdir"; do
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tempdir=`mktempdir`
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done
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fi
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fi
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mkdir "$tempdir" || exit 1
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echo -ne "\e[?25l- Extracting..."
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getdata | $bzip2 -dc | $tar xvCf $tempdir - | progressbit \
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|| (
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rm -rf $tempdir
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echo -ne "\e[?25h"
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exit 1
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)
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echo -ne "\r\e[?25h"
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# trap exits so we can clean up if the script is interrupted
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handle_interrupt()
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{
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rm -rf $tempdir
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}
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trap handle_interrupt 0
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if test -x $tempdir/autorun.sh && test $extractonly != 1; then
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$tempdir/autorun.sh
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ret=$?
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rm -rf $tempdir
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exit $ret
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else
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echo "Contents extracted to $tempdir."
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fi
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trap "exit 0;" 0
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exit 0
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##DATA
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