Add task to delete and reclone local repos on error

tasks/docker/build.yml

@@ -1,5 +1,26 @@
 ---
-- name: Clone repositories
+- name: Download source
+  block:
+    - name: Clone repositories
+      when: item.value.build is defined
+      git:
+        repo: "{{ item.value.build.repository }}"
+        dest: /tmp/{{ item.key }}
+        version: "{{ item.value.build.version }}"
+        accept_hostkey: true
+      loop: "{{ omni_compose_apps | dict2items }}"
+      loop_control:
+        label: "{{ item.key }}"
+  rescue:
+    - name: Remove existing repository downloads
+      file:
+        path: /tmp/{{ item.key }}
+        state: absent
+      loop: "{{ omni_compose_apps | dict2items }}"
+      loop_control:
+        label: "{{ item.key }}"
+
+    - name: Clone repositories
       when: item.value.build is defined
       git:
         repo: "{{ item.value.build.repository }}"