toansible: Use lineinfile for bash rc files

roles/bash/tasks/main.yml

@@ -13,12 +13,18 @@
       - bash-completion
   when: ansible_distribution == 'Debian'
 
-- name: Copy files
+- name: Copy rc files
   copy: src={{ item.src }} dest={{ item.dest }} backup=true
   with_items:
     - { src: 'inputrc', dest: '~/.inputrc' }
-    - { src: 'bash_profile', dest: '~/.bash_profile' }
-    - { src: 'bashrc', dest: '~/.bashrc' }
+    - { src: 'bash_profile.ansible', dest: '~/.bash_profile.ansible' }
+    - { src: 'bashrc.ansible', dest: '~/.bashrc.ansible' }
+
+- name: Source rc.ansible files
+  lineinfile: path={{ item.path }} line={{ item.line }} create=true insertbefore=BOF
+  with_items:
+    - { path: '~/.bashrc', line: '. "$HOME"/.bashrc.ansible' }
+    - { path: '~/.bash_profile', line: '. "$HOME"/.bash_profile.ansible' }
 
 - name: Clone bash-git-prompt
   git: