#!/bin/sh

#$Id: fetch-netbsd-tools,v 1.7 2008-02-23 13:44:35 cheusov Exp $
#
# written by Aleksey Cheusov, public domain
#
# downloads and packs netbsd userlevel tools from NetBSD CVS
# usage:
#  ./fetch-netbsd-tools -r 3.1
#  ./fetch-netbsd-tools -d 2007-01-01
# tools are listed at the end of script
#

usage (){
cat <<EOF
fetch-netbsd-tools [OPTIONS]
OPTIONS:
  -r <release>
  -d <date>
EOF
}

if test $# -ne 2; then
    usage
    exit 1
fi

BSD=netbsd
case $1 in
    -r) VER=$2; CVSVER="-r `printf ${BSD}-%s-RELEASE $VER | tr . -`";;
    -d) CVSVER="-D $2"; VER="`echo $2 | sed 's/-//g'`";;
    *) usage; exit 2;
esac

TARCMD="tar -cf -"
COMPRESSCMD="bzip2"
TARBALL_EXT=tar.bz2
CVS_ROOT=anoncvs@anoncvs.NetBSD.org:/cvsroot

init_vars (){
    if test $# != 2; then
	echo 'invalid $#' 1>&2
	exit 10
    fi

    # $1 - basename
    fn=$1
    # $2 - CVS repository
    cvsrep=$2

    #
    tarball="${BSD}-${fn}-${VER}"
    dirnm="$tarball"
    tarball="$tarball.$TARBALL_EXT"
}

do_fetch (){
    init_vars "$@"

    rm -rf $dirnm || return 1
    cvs -d"$CVS_ROOT" co -d"$dirnm" $CVSVER "$cvsrep"
}

do_pack (){
    init_vars "$@"

    if test -f $tarball; then
	return 0
    fi

    do_fetch "$@" || exit 11
    $TARCMD "$dirnm" | $COMPRESSCMD > $tarball || exit 12
    rm -rf "$dirnm" || exit 13
}

#do_fetch \
#   bgrep 3.1 anoncvs@anoncvs.NetBSD.org:/cvsroot \
#   src/usr.bin/grep -rnetbsd-3-1
while read tool path; do
    do_pack $tool $path
done <<EOF
bsdgrep src/usr.bin/grep 
cut     src/usr.bin/cut
sed     src/usr.bin/sed
awk     src/dist/nawk
m4      src/usr.bin/m4
sh      src/bin/sh
make     src/usr.bin/make
uuencode src/usr.bin/uuencode
uudecode src/usr.bin/uudecode
EOF