Better variable naming

README.md

@@ -81,9 +81,9 @@ Set as the `proxy_cache_path` directive in the `nginx.conf` file. By default, th
 
 (For Debian/Ubuntu only) Allows you to set a different repository for the installation of Nginx. As an example, if you are running Debian's wheezy release, and want to get a newer version of Nginx, you can install the `wheezy-backports` repository and set that value here, and Ansible will use that as the `-t` option while installing Nginx.
 
-    nginx_el_install_mainline: yes
+    nginx_install_redhat_branch: stable
 
-(For Centos/Rhel only) Defaults to no. If true, installs the mainline nginx repository.
+(For Centos/RedHat only) Defaults to `stable`. Set to `mainline` to use the latest nginx mainline repository.
 
 ## Dependencies
 

defaults/main.yml

@@ -1,8 +1,8 @@
 ---
 # Used only for Debian/Ubuntu installation, as the -t option for apt.
 nginx_default_release: ""
-# Used only for RHEL/Centos installation. Set to true to install mainline
-nginx_el_install_mainline: no
+# Used only for RHEL/Centos installation. Set to "mainline" when wanting to use the latest nginx version
+nginx_install_redhat_branch: stable
 # Used only for RHEL/Centos installation. Define the short gpg key id for nginx repo.
 # Here: https://pgp.mit.edu/pks/lookup?op=vindex&search=0xABF5BD827BD9BF62
 nginx_el_repo_gpg_key: 7BD9BF62

templates/nginx.repo.j2

@@ -1,5 +1,5 @@
 [nginx]
-{% if nginx_el_install_mainline %}
+{% if nginx_install_redhat_branch == 'mainline' %}
 name=nginx repo mainline
 baseurl=http://nginx.org/packages/mainline/{% if ansible_distribution == 'CentOS' %}centos{% else %}rhel{% endif%}/$releasever/$basearch/
 {% else %}