Alias 'gitnonymous-exit' deactivates identity.

README.md

 
 	KEYNAME⚔ yourname@yourbox:~$
 
-To deactivate the gitnonymous environment run the same command again:
+To deactivate the gitnonymous environment run `gitnonymous-exit`:
 
-	KEYNAME⚔ yourname@yourbox:~$ . gitnonymous KEYNAME
+	KEYNAME⚔ yourname@yourbox:~$ gitnonymous-exit
 	yourname@yourbox:~$ _
 
 Or just exit the current shell.
 
 Whilst this will help you adopt a pseudonymous virtual identity, you should be aware of the following information leaks that may still be used to try to identify you, pointed out by @ryancdotorg on Hacker News:
 
- * Commit times will be leaked (narrows down sleeping/working hours).
+ * Commit times will be leaked (narrows down sleeping/working hours), although timezone is not exposed.
  * SSH client version will be leaked to servers you connect to (shows Linux distro version and patch level).
 
 ## Dependencies ##

gitnonymous

       # unset our environment variables we set
       unset _GITNONYMOUS_OLDPS1
       unset _GITNONYMOUS
+      unalias "gitnonymous-exit"
       echo "Done unsetting ${keyname}."
     else
       # add our custom local SSH key (make the key with ./make-anonymous-key)
       _GITNONYMOUS_OLDPS1="${PS1}"
       export PS1="${keyname}⚔ ${PS1}"
       export _GITNONYMOUS="${keyname}"
+
+      echo "Run 'gitnonymous-exit' to exit this identity."
+      # alias exit command
+      alias "gitnonymous-exit"=". ${BASH_SOURCE[0]} ${keyname}"
     fi
   fi
 else