prt-auf: respect non-whitespace separators when reading optional dependencies

scripts/prt-auf

@@ -307,6 +307,9 @@ sub sync {
     push @drivers, $d;
   }
   closedir($drv);
+  if ($#drivers < 0) {
+    print("No valid ports drivers. Aborting sync.\n"); return;
+  }
   if ($#OPT_COLLECTIONS >= 0) { # Update selected collections
     foreach my $coll (@OPT_COLLECTIONS) {
       if (! glob("$sup_path/$coll.*")) {
@@ -482,7 +485,7 @@ sub get_pkgfile_fields {
   }
 
   $Dependencies =~ s/,(| )/ /g;
-  $SoftDeps =~ s/,(| )/ /g;
+  $SoftDeps =~ s/,(| )/ /g; $SoftDeps =~ s/(\051|\050)//g;
   if (shift) {
     return $Name, $portpath, $Version, $Release, $descrip, $Dependencies,
     $url, $SoftDeps, $maintainer, $readme, $preInstall, $postInstall;
@@ -760,6 +763,7 @@ sub deporder { # returns a sorted list of packages required.
           print "Dependency cycle found: ";
           foreach (@treewalk) { print "$_ => "; }
           print "$s\n";
+          return;
       }
 
       push(@treewalk, $s); $imark{$s}=1;