Don't double loop, ensuring that machine formats don't dupe collections onto all paths (#80277)

* Don't double loop, ensuring that machine formats don't dupe collections onto all paths

* Add tests

lib/ansible/cli/galaxy.py

@@ -1629,9 +1629,8 @@ class GalaxyCLI(CLI):
             collection_path = pathlib.Path(to_text(collection.src)).parent.parent.as_posix()
 
             if output_format in {'yaml', 'json'}:
-                collections_in_paths[collection_path] = {
+                collections_in_paths.setdefault(collection_path, {})
-                    collection.fqcn: {'version': collection.ver} for collection in collections
+                collections_in_paths[collection_path][collection.fqcn] = {'version': collection.ver}
-                }
             else:
                 if collection_path not in seen:
                     _display_header(

test/integration/targets/ansible-galaxy-collection/tasks/list.yml

@@ -1,4 +1,4 @@
-- name: initialize collection structure
+- name: initialize dev collection structure
   command: ansible-galaxy collection init {{ item }} --init-path "{{ galaxy_dir }}/dev/ansible_collections" {{ galaxy_verbosity }}
   loop:
     - 'dev.collection1'
@@ -8,6 +8,13 @@
     - 'dev.collection5'
     - 'dev.collection6'
 
+- name: initialize prod collection structure
+  command: ansible-galaxy collection init {{ item }} --init-path "{{ galaxy_dir }}/prod/ansible_collections" {{ galaxy_verbosity }}
+  loop:
+    - 'prod.collection1'
+    - 'prod.collection2'
+    - 'prod.collection3'
+
 - name: replace the default version of the collections
   lineinfile:
     path: "{{ galaxy_dir }}/dev/ansible_collections/dev/{{ item.name }}/galaxy.yml"
@@ -82,6 +89,12 @@
   environment:
     ANSIBLE_COLLECTIONS_PATH: "{{ galaxy_dir }}/dev:{{ galaxy_dir }}/prod"
 
+- assert:
+    that:
+      - yaml_result[galaxy_dir ~ '/dev/ansible_collections'] != yaml_result[galaxy_dir ~ '/prod/ansible_collections']
+  vars:
+    yaml_result: '{{ list_result_yaml.stdout | from_yaml }}'
+
 - assert:
     that:
       - "item.value | length == 6"
@@ -91,6 +104,7 @@
       - "item.value['dev.collection5'].version == '*'"
       - "item.value['dev.collection6'].version == '*'"
   with_dict: "{{ list_result_yaml.stdout | from_yaml }}"
+  when: "'dev' in item.key"
 
 - name: list collections in json format
   command: ansible-galaxy collection list --format json
@@ -107,6 +121,7 @@
       - "item.value['dev.collection5'].version == '*'"
       - "item.value['dev.collection6'].version == '*'"
   with_dict: "{{ list_result_json.stdout | from_json }}"
+  when: "'dev' in item.key"
 
 - name: list single collection in json format
   command: "ansible-galaxy collection list {{ item.key }} --format json"