gentoo-overlay/app-text/calibre/files/calibre-no_updates_dialog.patch

--- calibre-0.8.60+dfsg.orig/src/calibre/gui2/main.py	2012-07-20 06:26:28.000000000 +0200
+++ calibre-0.8.60+dfsg/src/calibre/gui2/main.py	2012-07-21 17:53:13.944924329 +0200
@@ -34,8 +34,8 @@
                       help=_('Start minimized to system tray.'))
     parser.add_option('-v', '--verbose', default=0, action='count',
                       help=_('Log debugging information to console'))
-    parser.add_option('--no-update-check', default=False, action='store_true',
-            help=_('Do not check for updates'))
+    parser.add_option('--update-check', dest='no_update_check', default=True, action='store_false',
+            help=_('Check for updates'))
     parser.add_option('--ignore-plugins', default=False, action='store_true',
             help=_('Ignore custom plugins, useful if you installed a plugin'
                 ' that is preventing calibre from starting'))