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#!/bin/sh

prog=prepkg

err()
{
	echo "$prog: $*" 1>&2
	exit 1
}

basicmeta()
{
	printf "pkgname\n%s\n\n" "$pkgname"
	printf "pkgrel\n%d\n\n" "${PKGREL:-1}"
	printf "packager\n%s\n\n" "${PACKAGER:-Anonymous}"
	
	if [ "$MAINTAINER" ]
	then
		printf "maintainer\n%s\n\n" "$MAINTAINER"
	fi

	return 0
}

case $# in
0)	echo "usage: $prog [package name]" 1>&2
	exit 1
esac

case "$PREPSPATH" in
'')	err "set PREPSPATH before calling $prog"
esac

for flav in "$PREPSPATH"/*
do
	pkgname="$1"
	[ -f "$flav" -a -x "$flav" ] || continue
	PATH="$PATH:$flav.d" "$flav" "$pkgname"
	prepret=$?
	
	case "$prepret" in
	100)	;; # loop
	0)	basicmeta
		exit 0 ;;
	1)	err "$flav encountered an error" ;;
	*)	err "$flav returned error code $prepret" ;;
	esac
done

err "no matching meta generator found for '$1'"