no need for an extra fork

plugins/hub/hub.plugin.zsh

@@ -1,5 +1,5 @@
 # hub alias from defunkt
 # https://github.com/defunkt/hub
 if [ $( which hub > /dev/null 2>&1 ; echo -n $? ) -lt 1 ]; then
-    eval $( hub alias -s $( ps -o comm= -p $$ ) )
+    eval $( hub alias -s zsh )
 fi