RPM packaging fixes.

packaging/linux/rpm/buildpackage.sh

@@ -10,23 +10,21 @@ fi
 
 PKGVERSION=`echo $5 | sed "s/-/\\./g"`
 sed -i "s/%define version [0-9\\.]\+/%define version $PKGVERSION/" openra.spec
-cp openra.spec $6/SPECS/
+cp openra.spec "$6/SPECS/"
 
-cd $6
-wget http://github.com/chrisforbes/OpenRA/tarball/playtest-$5 -O SOURCES/openra-$PKGVERSION.tar.gz
-
-folder=`tar -ztf SOURCES/openra-$PKGVERSION.tar.gz | head -n 1 | grep -o -E [[:alnum:]-]+`
-
-sed -i "s/%define folder [[:alnum:]-]\+/%define folder $folder/" SPECS/openra.spec
+pushd "$6"
 
 rpmbuild --target noarch -bb SPECS/openra.spec
 
-cd RPMS/noarch/
+pushd RPMS/noarch/
 PACKAGEFILE=openra-$PKGVERSION-1.noarch.rpm
 size=`stat -c "%s" $PACKAGEFILE`
+popd
 
 echo "$5,$size,$PACKAGEFILE" > /tmp/rpmlatest.txt
 
 wput $PACKAGEFILE "ftp://$3:$4@$1/$2/"
-cd /tmp
+pushd /tmp
 wput -u rpmlatest.txt "ftp://$3:$4@$1/$2/"
+popd
+popd