#!/bin/sh
##
##  Shell-based package for OpenPKG source bootstrap procedure
##  Copyright (c) 2000-2002 Cable & Wireless Deutschland GmbH
##  Copyright (c) 2000-2002 The OpenPKG Project <http://www.openpkg.org/>
##  Copyright (c) 2000-2002 Ralf S. Engelschall <rse@engelschall.com>
##

#   defaults
f="$0"
h=0
v=''
p=''
u=''
g=''
d='@DIR@'
t='@TGZ@'

#   parse command line options
for opt
do
    case $opt in
        -*=*) arg=`echo "$opt" | sed 's/^[-_a-zA-Z0-9]*=//'` ;;
           *) arg='' ;;
    esac
    case $opt in
        -h | --help    ) h=1    ;;
        -v | --verbose ) v=v    ;;
        --prefix=*     ) p=$arg ;;
        --user=*       ) u=$arg ;;
        --group=*      ) g=$arg ;;
        *              ) h=1    ;;
    esac
done
if [ ".$p" = . ]; then
    h=1
fi
if [ ".$h" = .1 ]; then
    echo "Usage: sh $0 [-h|--help] [-v|--verbose] --prefix=<prefix> [--user=<user>] [--group=<group>]" 2>&1
    exit 1
fi

#   establish standard environment
LC_CTYPE=C
export LC_CTYPE
umask 022

#   determine current user and group
thisuser=`(id -un) 2>/dev/null ||\
          (id | sed -e 's;^[^(]*(\([^)]*\)).*;\1;') 2>/dev/null ||\
          (whoami) 2>/dev/null ||\
          (who am i | cut "-d " -f1) 2>/dev/null ||\
          echo $LOGNAME`
thisgroup=`(cat /etc/passwd; ypcat passwd) 2>/dev/null |\
           grep "^${thisuser}:" | awk -F: '{ print $4; }'`
thisgroup=`(cat /etc/group; ypcat group) 2>/dev/null |\
           grep ":${thisgroup}:" | awk -F: '{ print $1; }'`
if [ ".$thisgroup" = . ]; then
    thisgroup="$thisuser"
fi

#   perform the extraction
echo "$0: extracting to $d..."
uudecode $f
rm -rf $d >/dev/null 2>&1
mkdir $d || exit 1
uncompress <$t |\
(cd $d; tar x${v}f - 2>/dev/null)
if [ ".$thisuser" = .root ]; then
    ( cd $d 
      chown -R -h $thisuser  . >/dev/null 2>&1 || true
      chgrp -R -h $thisgroup . >/dev/null 2>&1 || true
    )
fi
echo "$0: extraction done."

#   perform building
echo "$0: building for $p..."
cd $d || exit 1
./openpkg.boot $p $u $g || exit 1
echo "$0: build done."

#   cleanup
echo "$0: cleaning up..."
cd ..
rm -rf $d >/dev/null 2>&1
rm -f $t >/dev/null 2>&1
echo "$0: cleaned up."

#   die explicitly just before the shell would discover
#   that we carry mega-bytes of data with us...
exit 0

#   the distribution tarball