diff --git a/osc/commandline.py b/osc/commandline.py
index b6cbdee5..c4ddad05 100755
--- a/osc/commandline.py
+++ b/osc/commandline.py
@@ -436,6 +436,36 @@ class Osc(cmdln.Cmdln):
             return 1
         link_pac(src_project, src_package, dst_project, dst_package)
 
+    def do_aggregatepac(self, subcmd, opts, *args):
+        """${cmd_name}: "Aggregate" a package to another package
+        
+        The DESTPAC name is optional; the source packages' name will be used if
+        DESTPAC is omitted.
+
+        usage: 
+            osc aggregatepac SOURCEPRJ SOURCEPAC DESTPRJ [DESTPAC]
+        ${cmd_option_list}
+        """
+
+        args = slash_split(args)
+
+        if not args or len(args) < 3:
+            print >>sys.stderr, 'Incorrect number of argument.'
+            self.do_help([None, 'aggregatepac'])
+            return 2
+
+        src_project = args[0]
+        src_package = args[1]
+        dst_project = args[2]
+        if len(args) > 3:
+            dst_package = args[3]
+        else:
+            dst_package = src_package
+
+        if src_project == dst_project and src_package == dst_package:
+            print >>sys.stderr, 'Error: source and destination are the same.'
+            return 1
+        aggregate_pac(src_project, src_package, dst_project, dst_package)
 
     @cmdln.option('-t', '--to-apiurl', metavar='URL',
                         help='URL of destination api server. Default is the source api server.')
diff --git a/osc/core.py b/osc/core.py
index 91441e77..17d1698a 100755
--- a/osc/core.py
+++ b/osc/core.py
@@ -1423,6 +1423,50 @@ def link_pac(src_project, src_package, dst_project, dst_package):
     http_PUT(u, data=link_template)
     print 'Done.'
 
+def aggregate_pac(src_project, src_package, dst_project, dst_package):
+    """
+    aggregate package
+     - "src" is the original package
+     - "dst" is the "aggregate" package that we are creating here
+    """
+
+    src_meta = show_package_meta(conf.config['apiurl'], src_project, src_package)
+
+    # replace package name and username
+    # using a string buffer
+    # and create the package
+    tree = ET.parse(StringIO(''.join(src_meta)))
+    root = tree.getroot()
+    root.set('name', dst_package)
+    root.set('project', dst_project)
+    tree.find('person').set('userid', conf.config['user'])
+    buf = StringIO()
+    tree.write(buf)
+    src_meta = buf.getvalue()
+
+    edit_meta('pkg',
+              path_args=(dst_project, dst_package), 
+              data=src_meta)
+
+    # create the _aggregate file
+    # but first, make sure not to overwrite an existing one
+    if '_aggregate' in meta_get_filelist(conf.config['apiurl'], dst_project, dst_package):
+        print >>sys.stderr
+        print >>sys.stderr, '_aggregate file already exists...! Aborting'
+        sys.exit(1)
+
+    print 'Creating _aggregate...',
+    aggregate_template = """\
+<aggregatelist>
+  <aggregate project="%s">
+    <package>%s</package>
+  </aggregate>
+</aggregatelist>
+""" % (src_project, src_package)
+
+    u = makeurl(conf.config['apiurl'], ['source', dst_project, dst_package, '_aggregate'])
+    http_PUT(u, data=aggregate_template)
+    print 'Done.'
 
 def copy_pac(src_apiurl, src_project, src_package, 
              dst_apiurl, dst_project, dst_package):
@@ -1625,6 +1669,8 @@ def get_prj_results(apiurl, prj, show_legend=False):
             line = []
             line.append(' ')
             for pac in pacs[startpac:startpac+max_pacs]:
+                if not status.has_key(pac):     # for newly added packages, status may be missing
+                    status[pac] = '?'
                 line.append(status[pac])
                 line.append(' ')
             line.append(' %s %s' % (target['repo'], target['arch']))