renamed certbot_from_git variable to certbot_install_from_source and fixed some wording

README.md

@@ -10,12 +10,12 @@ Certbot requires Git to be installed if one wants to install Certbot from Git re
 
 ## Role Variables
 
-    certbot_from_git: no
+    certbot_install_from_source: no
     certbot_repo: https://github.com/certbot/certbot.git
     certbot_version: master
     certbot_keep_updated: yes
 
-Certbot Git repository options. This role clones the agent from the configured repo, then makes the `certbot-auto` script executable if `certbot_from_git` is `yes`. Otherwise it will be installed from distribution's package management.
+Certbot Git repository options. This role clones the agent from the configured repo, then makes the `certbot-auto` script executable if `certbot_install_from_source` is `yes`. Otherwise it will be installed from distribution's package management.
 
     certbot_dir: /opt/certbot
 

defaults/main.yml

@@ -1,6 +1,6 @@
 ---
 # Where to get Certbot.
-certbot_from_git: no
+certbot_install_from_source: no
 certbot_repo: https://github.com/certbot/certbot.git
 certbot_version: master
 certbot_keep_updated: yes

tasks/install-from-source.yml

@@ -7,7 +7,7 @@
     update: "{{ certbot_keep_updated }}"
     force: yes
 
-- name: Set Certbot script variable
+- name: Set Certbot script variable.
   set_fact:
     certbot_script: "{{ certbot_dir }}/certbot-auto"
 

tasks/install-with-package.yml

@@ -1,7 +1,7 @@
 ---
-- name: Install Certbot
+- name: Install Certbot.
   package: name=certbot state=present
 
-- name: Set Certbot script variable
+- name: Set Certbot script variable.
   set_fact:
     certbot_script: certbot

tasks/main.yml

@@ -1,9 +1,9 @@
 ---
-- include: install-from-package.yml
-  when: not certbot_from_git
+- include: install-with-package.yml
+  when: not certbot_install_from_source
 
-- include: install-from-git.yml
-  when: certbot_from_git
+- include: install-from-source.yml
+  when: certbot_install_from_source
 
 - include: renew-cron.yml
   when: certbot_auto_renew