[PR #10537/9a296225 backport][stable-11] Disable pipelining for doas and machinectl on ansible-core 2.19+ (#10557)

Disable pipelining for doas and machinectl on ansible-core 2.19+ (#10537)

Disable pipelining for doas and machinectl.

(cherry picked from commit 9a29622584)

Co-authored-by: Felix Fontein <felix@fontein.de>

plugins/become/doas.py

@@ -83,6 +83,9 @@ options:
       - name: ansible_doas_prompt_l10n
     env:
       - name: ANSIBLE_DOAS_PROMPT_L10N
+notes:
+  - This become plugin does not work when connection pipelining is enabled. With ansible-core 2.19+, using it automatically
+    disables pipelining. On ansible-core 2.18 and before, pipelining must explicitly be disabled by the user.
 """
 
 import re
@@ -99,6 +102,10 @@ class BecomeModule(BecomeBase):
     fail = ('Permission denied',)
     missing = ('Authorization required',)
 
+    # See https://github.com/ansible-collections/community.general/issues/9977,
+    # https://github.com/ansible/ansible/pull/78111
+    pipelining = False
+
     def check_password_prompt(self, b_output):
         ''' checks if the expected password prompt exists in b_output '''