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#!/bin/sh

set -e

if [ $# -lt 1 ]; then
	echo "usage: $0: package.opk filename ..."
	exit 1
fi

if [ $# -eq 2 ]; then
  opkgfilename=$1
  filename=$2
else
  echo "usage: $0 opkgfilename filename"  
  exit -1
fi

case $opkgfilename in
http:*)
    wget -N $opkgfilename
    opkgfilename=`basename $opkgfilename`
    echo eez http url $opkgfilename
;;
ftp:*)
    wget -N $opkgfilename
    opkgfilename=`basename $opkgfilename`
    echo eez ftp url $opkgfilename
;;
esac


tmpdir=/tmp/opkg-extract-$$
mkdir $tmpdir

pkgdir=$tmpdir/`basename $opkgfilename | sed 's/.*\///;s/.opk$//;s/.deb$//;s/.ipk$//'`

mkdir -p $pkgdir/CONTROL

cur_dir=$PWD
cd $pkgdir; (ar x $cur_dir/$opkgfilename || tar zxf $cur_dir/$opkgfilename) >& /dev/null
cd $cur_dir

tar xzf $pkgdir/data.tar.gz -C $pkgdir
tar xzf $pkgdir/control.tar.gz -C $pkgdir/CONTROL
rm -f $pkgdir/control.tar.gz $pkgdir/data.tar.gz $pkgdir/debian-binary

cp $pkgdir/$filename `basename $filename`
ls -l `basename $filename`
file `basename $filename`
rm -fr $tmpdir