Replace synchronize module with fetch

Although rsync is the best it introduced an unnecessary dependency. Instead,
the 'fetch' module is now used to copy files from remote host to the
controller.

README.md

@@ -10,7 +10,6 @@ Requirements
 ------------
 
 * `sosreport` utility present on the remote host, installed if missing.
-* `rsync` utility present on the controller, **not installed** if missing.
 
 Role Variables
 --------------

tasks/main.yml

@@ -23,11 +23,16 @@
       {% endif %}
   environment: "{{ sosreport_env|default(omit) }}"
 
-- name: Copy sosreport to {{ sosreport_local_dir }} on the controller
-  synchronize:
-    src: "{{ sosreport_remote_dir }}/"
+- name: Find files to fetch
+  command: ls -1 {{ sosreport_remote_dir }}
+  register: sosreport_files
+
+- name: Fetch files to {{ sosreport_local_dir }} on the controller
+  fetch:
+    src: "{{ sosreport_remote_dir }}/{{ item }}"
     dest: "{{ sosreport_local_dir }}/"
-    mode: pull
+    flat: yes
+  with_items: "{{ sosreport_files.stdout_lines }}"
 
 - name: Remove {{ sosreport_remote_dir }} directory
   file: