@@ -188,11 +188,11 @@
 	file delete $altindexfile
 	file link -hard $altindexfile $indexfile
 }
 
 # Create "package/name/<pkg>/ver/<ver>/arch/<arch>/file"
-proc create_output_files {dstdir pkginfo_arrlist} {
+proc create_output_files {dstdir pkginfo_arrlist {force 0}} {
 	array set pkginfo $pkginfo_arrlist
 
 	foreach ent [array names pkginfo] {
 		set pkg [lindex $ent 0]
 		set ver [lindex $ent 1]
@@ -209,10 +209,14 @@
 		catch {
 			file mkdir $workdir
 		}
 
 		if {$multifile} {
+			if {[file exists $extfile] && !$force} {
+				continue
+			}
+
 			if {[catch {
 				cd $pkgdir
 
 				file delete $extfile
 				exec zip -r $extfile . -x build.log