#!/bin/bash

usage()
{
	echo usage: $MYNAME /path/to/mkspec.sh -h [-N name] [-T topdir] [-V version] [-S source] [-R requires] [-P project] >&2
	[ "$1" ] && exit $1
}

append()
{
	local var=$1
	shift
	local tmp=`eval echo \\$$var $@ | sed 's/^[[:space:]]*//; s/[[:space:]]*$//'`
	eval $var=\"$tmp\" 
}

# -- here we go

#set -x

if [ ! "$INSTALL_LOG" ]; then
	#INSTALL_LOG=/var/tmp/%{name}-buildroot/install.log
	INSTALL_LOG=/tmp/rpmbuild-$ID/install.log
fi

MYNAME=`basename $0`
ID=`whoami`

eval set -- `getopt -l "provides-run:" -l "provides-devel:" -o "P:T:V:S:N:hR:D:X:Y:d:" -- "$@"`

while [ "$1" != -- ]; do
echo checking "$1=$2" >&2
case $1 in
	-h)
		usage 0;;
	-T)
		TOPDIR="$2"
		shift;;
	-V)
		V="$2"
		shift;;
	-S)
		SOURCE="$2"
		shift;;
	-N)
		NAME="$2"
		shift;;
	-R)
		append REQUIRES_RUN "$2"
		shift
		;;
	-X)
		append CONFLICTS_RUN "$2"
		shift
		;;
	-D)
		append REQUIRES_DEVEL "$2"
		shift
		;;
	-Y)
		append CONFLICTS_DEVEL "$2"
		shift
		;;
	--provides-run)
		append PROVIDES_RUN "$2"
		shift
		;;
	--provides-devel)
		append PROVIDES_DEVEL "$2"
		shift
		;;
	-P)
		PROJECT="$2"
		shift;;
	-d)
		DISTRIBUTION="$2"
		shift;;
	*)
		usage 1;;
esac
shift
done
shift

MKSPEC_SH="$1"
shift

[ -z "$TOPDIR" ] && TOPDIR=.

if [ -z "$V" ]; then
	if [ -f $TOPDIR/VERSION ]; then
		VERSION="`cat $TOPDIR/VERSION | cut -d- -f1`"
		RELEASE="`cat $TOPDIR/VERSION | cut -d- -f2- | sed 's/[-_].*//'`"
	else
		VERSION=noversion
		RELEASE=norelease
	fi
else
		VERSION="`echo $V | cut -d- -f1`"
		RELEASE="`cat $TOPDIR/VERSION | cut -d- -f2- | sed 's/[-_].*//'`"
fi

if [ -z "$NAME" ]; then
	NAME=`pwd | xargs basename`
fi

REQUIRES="$REQUIRES_RUN $REQUIRES_DEVEL"
CONFLICTS="$CONFLICTS_RUN $CONFLICTS_DEVEL"
#if [ -n "$REQUIRES" ]; then
#	REQUIRES_RUN=`echo $REQUIRES   |
#		sed -e '
#			s/\([a-zA-Z-]\+\) *\([<>=]*\) *\([a-zA-Z0-9\.-]*\)/\1-run \2 \3,/g
#			s/,$//
#			s/-run-run/-run/
#		'`
#	REQUIRES_DEVEL="$REQUIRES_RUN, $NAME-run = $VERSION-$RELEASE, `echo $REQUIRES_RUN | sed -e 's/-run/-devel/g'`"
#fi

#echo "REQUIRES_RUN=\"$REQUIRES_RUN\""
#exit

export \
	REQUIRES REQUIRES_RUN REQUIRES_DEVEL \
	CONFLICTS CONFLICTS_RUN CONFLICTS_DEVEL \
	TOPDIR \
	PROJECT NAME \
	SOURCE \
	VERSION RELEASE V \
	INSTALL_LOG \
	DISTRIBUTION

bash $MKSPEC_SH