git_config: fix state=absent if value is present (#8452)

* Fix state=absent if value is present.

* Update changelog fragment.

changelogs/fragments/8452-git_config-absent.yml

@@ -0,0 +1,2 @@
+bugfixes:
+  - "git_config - fix behavior of ``state=absent`` if ``value`` is present (https://github.com/ansible-collections/community.general/issues/8436, https://github.com/ansible-collections/community.general/pull/8452)."

plugins/modules/git_config.py

@@ -252,7 +252,7 @@ def main():
         module.exit_json(changed=False, msg='', config_value=old_values[0] if old_values else '')
     elif unset and not out:
         module.exit_json(changed=False, msg='no setting to unset')
-    elif new_value in old_values and (len(old_values) == 1 or add_mode == "add"):
+    elif new_value in old_values and (len(old_values) == 1 or add_mode == "add") and not unset:
         module.exit_json(changed=False, msg="")
 
     # Until this point, the git config was just read and in case no change is needed, the module has already exited.

tests/integration/targets/git_config/tasks/unset_value.yml

@@ -18,6 +18,30 @@
     scope: "{{ option_scope }}"
   register: get_result
 
+- name: assert unset changed and deleted value
+  assert:
+    that:
+      - unset_result is changed
+      - unset_result.diff.before == option_value + "\n"
+      - unset_result.diff.after == "\n"
+      - get_result.config_value == ''
+
+- import_tasks: setup_value.yml
+
+- name: unsetting value with value specified
+  git_config:
+    name: "{{ option_name }}"
+    scope: "{{ option_scope }}"
+    value: "{{ option_value }}"
+    state: absent
+  register: unset_result
+
+- name: getting value
+  git_config:
+    name: "{{ option_name }}"
+    scope: "{{ option_scope }}"
+  register: get_result
+
 - name: assert unset changed and deleted value
   assert:
     that: