[FR] Add Env Var DR_CLI_MAX_WIDTH and DaC Docs Updates

CLI.md

@@ -44,6 +44,9 @@ Using the environment variable `DR_BYPASS_TAGS_VALIDATION` will bypass the Detec
 
 Using the environment variable `DR_BYPASS_TIMELINE_TEMPLATE_VALIDATION` will bypass the timeline template id and title validation for rules. 
 
+Using the environment variable `DR_CLI_MAX_WIDTH` will set a custom max width for the click CLI. 
+For instance, some users may want to increase the default value in cases where help messages are cut off. 
+
 ## Importing rules into the repo
 
 You can import rules into the repo using the `create-rule` or `import-rules-to-repo` commands. Both of these commands will

detection_rules/main.py

@@ -41,7 +41,13 @@
 RULES_DIRS = RULES_CONFIG.rule_dirs
 
 
-@click.group('detection-rules', context_settings={'help_option_names': ['-h', '--help']})
+@click.group(
+    'detection-rules',
+    context_settings={
+        'help_option_names': ['-h', '--help'],
+        'max_content_width': int(os.getenv('DR_CLI_MAX_WIDTH', 240)),
+    },
+)
 @click.option('--debug/--no-debug', '-D/-N', is_flag=True, default=None,
               help='Print full exception stacktrace on errors')
 @click.pass_context

pyproject.toml

@@ -1,6 +1,6 @@
 [project]
 name = "detection_rules"
-version = "0.4.16"
+version = "0.4.17"
 description = "Detection Rules is the home for rules used by Elastic Security. This repository is used for the development, maintenance, testing, validation, and release of rules for Elastic Security’s Detection Engine."
 readme = "README.md"
 requires-python = ">=3.12"