Fixes 418

changelogs/fragments/442.yml

@@ -0,0 +1,3 @@
+---
+minor_changes:
+  - "The ``build-release`` role fails to execute when ``./build/antsibull-build-data`` doesn't exist and when the antsibull_data_reset variable is set to false (https://github.com/ansible-community/antsibull/pull/442)."

roles/build-release/tasks/setup.yaml

@@ -17,3 +17,9 @@
     force: true
   # By setting antsibull_data_reset to false, we can run with an edited or otherwise prepared version of ansible-build-data
   when: antsibull_data_reset | bool
+
+- name: Ensure {{ antsibull_data_git_dir }} exists when antsibull_data_reset variable is set to false
+  ansible.builtin.stat:
+    path: "{{ antsibull_data_git_dir }}"
+  register: antsibull_data_directory
+  failed_when: antsibull_data_reset == 0 and antsibull_data_directory.stat.exists == 0