#!/bin/bash

OUTPUT=${OUTPUT:-/tmp}

if [ -z "$ARCH" ]; then
  case "$( uname -m )" in
    i?86) ARCH=i486 ;;
    arm*) ARCH=arm ;;
       *) ARCH=$( uname -m ) ;;
  esac
fi

# if no package name, see if we're in a SlackBuild dir.
# if so, build a package if one doesn't exist in $OUTPUT.
# either way, install the package for the current dir.
if [ -z "$@" ]; then
	pkgname=$(basename `pwd`)
	if [ ! -e "$pkgname.info" ]; then
		echo "not in a proper SlackBuild dir and no package given, bailing" 1>&2
		exit 1
	fi

	source ./$pkgname.info
	if [ -z "$PRGNAM" -o -z "$VERSION" ]; then
		echo "bad/incomplete .info file, bailing" 1>&2
		exit 1
	fi

	if [ "$PRGNAM" != "$pkgname" ]; then
		echo "bad PRGNAM=$PRGNAM in $pkgname.info"
		exit 1
	fi

	for myarch in noarch "$ARCH"; do
		myglob="$OUTPUT/$PRGNAM-$VERSION-$myarch*t?z"
		myfile=$( echo $myglob )

		if [ "$myglob" = "$myfile" ]; then
			: # do naught
		elif [ "$( /bin/ls $myfile 2>/dev/null | wc -l )" -gt "1" ]; then
			echo "Multiple packages match, not installing anything:"
			/bin/ls $myfile
			exit 1
		else
			if [ -n "$found" ]; then
				echo "Multiple packages/arches, not installing anything:"
				echo $myfile $found
				exit 1
			else
				found=$myfile
				echo found $found
			fi
		fi
	done

	if [ -z "$found" ]; then
#echo "No package in $OUTPUT, building"
#sudo ./$pkgname.SlackBuild && exec $0
		echo "No package in $OUTPUT, build one!"
		exit 1
	fi

	set "$found"
fi

sudo upgradepkg --reinstall --install-new "$@"