Only update if global packages are required

tasks/update.yml

@@ -9,6 +9,12 @@
   shell: "{{ composer_path }} selfupdate"
   when: composer_date.stdout|int > composer_stat.stat.mtime|int
 
+- name: ""
+  stat:
+    path: '{{ composer_home_path }}/composer.json'
+  register: composer_file
+
 - name: "Update Composer Packages"
   shell: env COMPOSER_HOME={{ composer_home_path }}
          composer global update
+  when: composer_file.stat.exists is defined and composer_file.stat.exists