Fix more errors

Signed-off-by: Noah Knegt <git@noahknegt.com>

roles/corepack/tasks/main.yml

@@ -10,10 +10,10 @@
   register: node_version
   ignore_errors: true
 
-- name: Set node version if not defined
+- name: Set node version if empty
   set_fact:
     node_version: 0.0.0
-  when: node_version.stdout is not defined
+  when: node_version.stdout is ""
 
 - name: Enable corepack
   shell: corepack enable

roles/node/tasks/main.yml

@@ -18,4 +18,4 @@
   become_flags: '--login'
   vars:
     ansible_become_pass: "{{ noahk_password }}"
-  when: node_version.stdout is not defined
+  when: node_version.stdout is ""

roles/nvm/tasks/check_installed.yml

@@ -10,5 +10,11 @@
 ---
 - name: Check nvm version
   shell: nvm --version
+  become: true
+  become_user: noahk
+  become_method: su
+  become_flags: '--login'
+  vars:
+    ansible_become_pass: "{{ noahk_password }}"
   register: nvm_version
   ignore_errors: true