etc-git: create gitignore files differently so that it stays idempotent

roles/etc-git/files/gitignore_etc

@@ -0,0 +1,4 @@
+aliases.db
+*.swp
+random.seed
+openvpn/ipp.txt

roles/etc-git/tasks/main.yml

@@ -19,11 +19,6 @@
 - include: repository.yml
   vars:
     repository_path: "/etc"
-    gitignore_items:
-      - "aliases.db"
-      - "*.swp"
-      - "random.seed"
-      - "openvpn/ipp.txt"
 
 - name: verify /usr/share/scripts presence
   stat:
@@ -33,7 +28,6 @@
 - include: repository.yml
   vars:
     repository_path: "/usr/share/scripts"
-    gitignore_items: []
   when:
     - _usr_share_scripts.stat.isdir
 

roles/etc-git/tasks/repository.yml

@@ -29,21 +29,14 @@
     - etc-git
 
 - name: "{{ repository_path }}/.gitignore is present"
-  file:
-    path: "{{ repository_path }}/.gitignore"
+  copy:
+    src: "gitignore{{ repository_path | replace('/','_') }}"
+    dest: "{{ repository_path }}/.gitignore"
     owner: root
     mode: "0600"
   tags:
     - etc-git
 
-- name: "Some entries MUST be in the {{ repository_path }}/.gitignore file"
-  lineinfile:
-    dest: "{{ repository_path }}/.gitignore"
-    line: "{{ item }}"
-  loop: "{{ gitignore_items | default([]) }}"
-  tags:
-    - etc-git
-
 - name: Set vim as default editor
   git_config:
     name: core.editor