[ACR] Add breaking change announcement for acr content-trust related commands

Author: lizMSFT

src/azure-cli/azure/cli/command_modules/acr/_breaking_change.py

@@ -3,7 +3,10 @@
 # Licensed under the MIT License. See License.txt in the project root for license information.
 # --------------------------------------------------------------------------------------------
 
-from azure.cli.core.breaking_change import register_command_group_deprecate
+from azure.cli.core.breaking_change import (
+    register_command_group_deprecate,
+    register_logic_breaking_change
+)
 
 helm_bc_msg = 'In November 2020, Helm 2 reached end of life. ' \
               'Starting on March 30th, 2025 Azure Container Registry will no longer support Helm 2. ' \
@@ -20,5 +23,21 @@
               'then it is stored in a legacy Helm repository and is at risk of deletion.\n' \
               'For more information on managing and deploying applications for Kubernetes, ' \
               'see https://aka.ms/acr/helm.'
+
+content_trust_bc_msg = 'Content Trust is being deprecated and will be completely removed on March 31, 2028. ' \
+                       'Refer to https://aka.ms/acr/dctdeprecation for details and transition guidance'
+
 register_command_group_deprecate(command_group='acr helm', redirect='Helm v3 commands', message=helm_bc_msg,
                                  target_version='Sept 30th, 2025')
+
+register_command_group_deprecate(command_group='acr config content-trust', message=content_trust_bc_msg)
+
+register_logic_breaking_change('acr check-health', 'Remove Notary client version validation',
+                               detail='The Notary client version check will no longer be performed as part of the '
+                                      'check-health command due to Docker Content Trust deprecation.',
+                               doc_link='https://aka.ms/acr/dctdeprecation')
+
+register_logic_breaking_change('acr config content-trust update', 'Remove content-trust enabled configuration',
+                               detail='The `--status enabled` parameter will no longer be accepted and will result in '
+                                      'an error due to Docker Content Trust deprecation.',
+                               doc_link='https://aka.ms/acr/dctdeprecation')