win_powershell: $Ansible.Result can no longer be set to an empty list

[JosedeLeon85]

SUMMARY

It is no longer possible to set $Ansible.Result to an empty list, it gets changed to null. The problem started on v2.5.0.

ISSUE TYPE

• Bug Report

COMPONENT NAME

• win_powershell

ANSIBLE VERSION

ansible [core 2.17.5]
  config file = /root/user1/my-repo/ansible.cfg
  configured module search path = ['/root/.ansible/plugins/modules', '/usr/share/ansible/plugins/modules']
  ansible python module location = /usr/local/lib/python3.12/dist-packages/ansible
  ansible collection location = /root/.ansible/collections:/usr/share/ansible/collections
  executable location = /usr/local/bin/ansible
  python version = 3.12.3 (main, Sep 11 2024, 14:17:37) [GCC 13.2.0] (/usr/bin/python3.12)
  jinja version = 3.1.4
  libyaml = True

COLLECTION VERSION

# /usr/local/lib/python3.12/dist-packages/ansible_collections
Collection      Version
--------------- -------
ansible.windows 2.5.0  

OS / ENVIRONMENT

• Windows 2022

STEPS TO REPRODUCE

• Set $Ansible.Result to an empty list

- name: Reproduce bug in ansible.windows.win_powershell
  hosts: server_name.domain
  connection: psrp
  gather_facts: false
  tasks:
    - name: Set $Ansible.Result to an empty list
      ansible.windows.win_powershell:
        error_action: stop
        script: $Ansible.Result = @()
      register: script_result

    - name: Print result
      debug:
        var: script_result

EXPECTED RESULTS

• result should be an empty list:

{
    "script_result": {
        "changed": true,
        "debug": [],
        "error": [],
        "failed": false,
        "host_err": "",
        "host_out": "",
        "information": [],
        "output": [],
        "result": [],
        "verbose": [],
        "warning": []
    }
}

ACTUAL RESULTS

• result is set to null

{
    "script_result": {
        "changed": true,
        "debug": [],
        "error": [],
        "failed": false,
        "host_err": "",
        "host_out": "",
        "information": [],
        "output": [],
        "result": null,
        "verbose": [],
        "warning": []
    }
}

[jborean93]

Sorry for the delay in responding. I've opened #711 which fixes this bug and returns the behavior back to how it was before.