add support for do_reposync on gentoo

config.cfg

@@ -30,6 +30,9 @@ default_service_policy=ignore
 # do depclean on Gentoo
 do_depclean=yes
 
+# do eix-sync on Gentoo
+do_reposync=yes
+
 # to only write to stderr when something unexpected happens or manual action is required
 # set stderr_loglevel to warning
 stderr_loglevel=debug

sau/gentoo.py

@@ -98,6 +98,7 @@ def pkg_upgrade():
     log = logging.getLogger(sau.LOGNAME)
     conf = sau.config
 
+    if conf.getboolean('default', 'do_reposync', fallback=True):
         _sync_portage()
 
     # [ebuild     U ] media-plugins/alsa-plugins-1.1.8 [1.1.6]