Fix Ansible lint issues.

README.md

@@ -13,8 +13,9 @@ Requires `git` on the managed machine (you can easily install it with `geerlingg
 Available variables are listed below, along with default values (see `defaults/main.yml`):
 
     dotfiles_repo: "https://github.com/geerlingguy/dotfiles.git"
+    dotfiles_repo_version: master
 
-The git repository to use for retrieving dotfiles. Dotfiles should generally be laid out within the root directory of the repository.
+The git repository and branch/tag/commit hash to use for retrieving dotfiles. Dotfiles should generally be laid out within the root directory of the repository.
 
     dotfiles_repo_accept_hostkey: false
 

defaults/main.yml

@@ -1,5 +1,6 @@
 ---
 dotfiles_repo: "https://github.com/geerlingguy/dotfiles.git"
+dotfiles_repo_version: master
 dotfiles_repo_accept_hostkey: false
 dotfiles_repo_local_destination: "~/Documents/dotfiles"
 

tasks/main.yml

@@ -3,11 +3,12 @@
   git:
     repo: "{{ dotfiles_repo }}"
     dest: "{{ dotfiles_repo_local_destination }}"
+    version: "{{ dotfiles_repo_version }}"
     accept_hostkey: "{{ dotfiles_repo_accept_hostkey }}"
   become: false
 
 - name: Ensure all configured dotfiles are links.
-  shell: "ls -F {{ dotfiles_home }}/{{ item }}"
+  command: "ls -F {{ dotfiles_home }}/{{ item }}"
   register: existing_dotfile_info
   failed_when: false
   check_mode: false