Finished postgres role

roles/postgres/tasks/profile.yml

@@ -4,18 +4,22 @@
     src: postgres_profile.j2
     dest: ~/.postgres_profile
     mode: 0644
+  register: postgres_profile
 - name: include postgres profile in bash_profile
   lineinfile:
     path: ~/.bash_profile
     line: source ~/.postgres_profile
     insertafter: EOF
+  when: postgres_profile.changed
 - name: copy environment var file to home dir
   template:
     src: postgres_env.j2
     dest: ~/.postgres_vars
     mode: 0644
+  register: postgres_env
 - name: include postgres vars in bashrc
   lineinfile:
     path: ~/.bashrc
     line: source ~/.postgres_vars
     insertafter: EOF
+  when: postgres_env.changed