Make dry_run a setting and --force its inverse

fixes pulp#236

CHANGES/236.feature

@@ -0,0 +1 @@
+Added ``--force`` as the inverse of ``--dry-run`` and started to allow ``dry_run`` in the settings.

pulpcore/cli/common/__init__.py

@@ -26,6 +26,8 @@
 def _validate_config(config: Dict[str, Any]) -> bool:
     if "format" in config and config["format"].lower() not in FORMAT_CHOICES:
         raise ValueError(_("'format' is not one of {}").format(FORMAT_CHOICES))
+    if "dry_run" in config and not isinstance(config["dry_run"], bool):
+        raise ValueError(_("'dry_run' is not a bool"))
     return True
 
 
@@ -84,6 +86,9 @@ def _config_callback(ctx: click.Context, param: Any, value: Optional[str]) -> No
         default="json",
         help=_("Format of the response"),
     ),
+    click.option(
+        "--dry-run/--force", is_flag=True, help=_("Trace commands without performing any unsafe HTTP calls")
+    ),
 ]
 
 
@@ -124,9 +129,6 @@ def config_options(command: Callable[..., Any]) -> Callable[..., Any]:
     help=_("Start tasks in the background instead of awaiting them"),
 )
 @click.option("--refresh-api", is_flag=True, help=_("Invalidate cached API docs"))
-@click.option(
-    "--dry-run", is_flag=True, help=_("Trace commands without performing any unsafe HTTP calls")
-)
 @config_options
 @click.pass_context
 def main(