Use 'gpg' instead of 'gpg2'

diaspora/install.sls

@@ -40,7 +40,7 @@ diaspora_user:
 
 diaspora_rvm_gpg_key:
   cmd.run:
-    - name: gpg2 --keyserver hkp://keys.gnupg.net --recv-keys 409B6B1796C275462A1703113804BB82D39DC0E3
+    - name: gpg --keyserver hkp://keys.gnupg.net --recv-keys 409B6B1796C275462A1703113804BB82D39DC0E3
     - unless: gpg --list-keys 409B6B1796C275462A1703113804BB82D39DC0E3
     - runas: {{ diaspora.user.username }}
     - require: