nginx : fix variable name and debug

nginx_minimal defined the nginx_package_name_default variable which was not
used instead of the nginx_default_package_name variable

also fixed debug which was reversed, and add another one to be sure which mode
is used

CHANGELOG.md

@@ -22,6 +22,8 @@ The **patch** part changes is incremented if multiple releases happen the same m
 
 ### Fixed
 
+* nginx : fix variable name and debug to actually use nginx-light
+
 ### Removed
 
 ### Security

nginx/tasks/main.yml

@@ -2,6 +2,10 @@
 
 - debug:
     msg: "Nginx minimal mode has been removed, falling back to normal mode."
+  when: not nginx_minimal | bool
+
+- debug:
+    msg: "Nginx minimal mode has been set, using minimal mode."
   when: nginx_minimal | bool
 
 - include: packages.yml

nginx/tasks/packages.yml

@@ -1,7 +1,7 @@
 
 
 - set_fact:
-    nginx_package_name_default: nginx-light
+    nginx_default_package_name: nginx-light
   when: nginx_minimal | bool
 
 - include: packages_backports.yml