diff --git a/buck-tools/onos_stage.py b/buck-tools/onos_stage.py
index 2d9462f..0ed46a1 100755
--- a/buck-tools/onos_stage.py
+++ b/buck-tools/onos_stage.py
@@ -9,9 +9,6 @@
 import time
 from cStringIO import StringIO
 
-VERSION = '1.7.0' #FIXME version, and maybe git commit hash
-BASE = 'onos-%s/' % VERSION
-
 
 written_files = set()
 now = time.time()
@@ -37,7 +34,9 @@
         file.close()
         written_files.add(dest)
 
-def stageOnos(output, files=[]):
+def stageOnos(output, version, files=[]):
+    base = 'onos-%s/' % version
+
     # Note this is not a compressed zip
     with tarfile.open(output, 'w:gz') as output:
         for file in files:
@@ -45,40 +44,41 @@
                 with ZipFile(file, 'r') as zip_part:
                     for f in zip_part.infolist():
                         dest = f.filename
-                        if BASE not in dest:
-                            dest = BASE + 'apache-karaf-3.0.5/system/' + f.filename
+                        if base not in dest:
+                            dest = base + 'apache-karaf-3.0.5/system/' + f.filename
                         addFile(output, dest, zip_part.open(f), f.file_size)
             elif '.oar' in file:
                 with ZipFile(file, 'r') as oar:
                     app_xml = oar.open('app.xml').read()
                     app_name = re.search('name="([^"]+)"', app_xml).group(1)
-                    dest = BASE + 'apps/%(name)s/%(name)s.oar' % { 'name': app_name}
+                    dest = base + 'apps/%(name)s/%(name)s.oar' % { 'name': app_name}
                     addFile(output, dest, open(file), os.stat(file).st_size)
-                    dest = BASE + 'apps/%s/app.xml' % app_name
+                    dest = base + 'apps/%s/app.xml' % app_name
                     addString(output, dest, app_xml)
                     for f in oar.infolist():
                         filename = f.filename
                         if 'm2' in filename:
-                            dest = BASE + 'apache-karaf-3.0.5/system/' + filename[3:]
+                            dest = base + 'apache-karaf-3.0.5/system/' + filename[3:]
                             if dest not in written_files:
                                 addFile(output, dest, oar.open(f), f.file_size)
                                 written_files.add(dest)
             elif 'features.xml' in file:
-                dest = BASE + 'apache-karaf-3.0.5/system/org/onosproject/onos-features/1.7.0-SNAPSHOT/'
-                dest += 'onos-features-1.7.0-SNAPSHOT-features.xml'
+                dest = base + 'apache-karaf-3.0.5/system/org/onosproject/onos-features/%s/' % version
+                dest += 'onos-features-%s-features.xml' % version
                 with open(file) as f:
                     addFile(output, dest, f, os.stat(file).st_size)
-        addString(output, BASE + 'apps/org.onosproject.drivers/active', '')
-        addString(output, BASE + 'VERSION', VERSION)
+        addString(output, base + 'apps/org.onosproject.drivers/active', '')
+        addString(output, base + 'VERSION', version)
 
 if __name__ == '__main__':
     import sys
 
-    if len(sys.argv) < 2:
-        print 'USAGE'
+    if len(sys.argv) < 3:
+        print 'USAGE' #FIXME
         sys.exit(1)
 
     output = sys.argv[1]
-    args = sys.argv[2:]
+    version = sys.argv[2]
+    args = sys.argv[3:]
 
-    stageOnos(output, args)
+    stageOnos(output, version, args)