Adap 496/add test connection mode to debug

.changes/unreleased/Features-20230604-025956.yaml

@@ -0,0 +1,6 @@
+kind: Features
+body: Revamp debug, add --connection flag. Prepare for future refactors/interface changes.
+time: 2023-06-04T02:59:56.28283-07:00
+custom:
+  Author: versusfacit
+  Issue: 7104

core/dbt/cli/main.py

@@ -401,6 +401,7 @@ def show(ctx, **kwargs):
 # dbt debug
 @cli.command("debug")
 @click.pass_context
+@p.debug_connection
 @p.config_dir
 @p.profile
 @p.profiles_dir_exists_false
@@ -411,7 +412,7 @@ def show(ctx, **kwargs):
 @requires.postflight
 @requires.preflight
 def debug(ctx, **kwargs):
-    """Test the database connection and show information for debugging purposes. Not to be confused with the --debug option which increases verbosity."""
+    """Show information on the current dbt environment and check dependencies, then test the database connection. Not to be confused with the --debug option which increases verbosity."""
 
     task = DebugTask(
         ctx.obj["flags"],

core/dbt/cli/params.py

@@ -491,6 +491,13 @@
     type=click.Path(),
 )
 
+debug_connection = click.option(
+    "--connection",
+    envvar=None,
+    help="Test the connection to the target database independent of dependency checks.",
+    is_flag=True,
+)
+
 threads = click.option(
     "--threads",
     envvar=None,