fix shell/command/script tasks skipping in check mode (#76353)

* fix shell/command/script tasks skipping in check mode

* changelog

changelogs/fragments/76353-fix-check-mode-skipping.yaml

@@ -0,0 +1,3 @@
+bugfixes:
+  - shell/command - only skip in check mode if the options `creates` and `removes` are both None.
+  - script - skip in check mode since the plugin cannot determine if a change will occur.

lib/ansible/modules/command.py

@@ -373,7 +373,8 @@ def main():
         # this is partial check_mode support, since we end up skipping if we get here
         r['rc'] = 0
         r['msg'] = "Command would have run if not in check mode"
-        r['skipped'] = True
+        if creates is None and removes is None:
+            r['skipped'] = True
 
     r['changed'] = True
 

lib/ansible/plugins/action/script.py

@@ -119,7 +119,9 @@ class ActionModule(ActionBase):
                     script_cmd = ' '.join([env_string, target_command])
 
             if self._play_context.check_mode:
-                raise _AnsibleActionDone()
+                # If the script doesn't return changed in the result, it defaults to True,
+                # but since the script may override 'changed', just skip instead of guessing.
+                raise AnsibleActionSkip('Check mode is not supported for this task.')
 
             script_cmd = self._connection._shell.wrap_for_exec(script_cmd)