clan-cli: Fix garbled clan vms run output. docs: Improve debugging guide

pkgs/clan-cli/clan_cli/templates.py

@@ -73,17 +73,6 @@ def get_clan_nix_attrset(clan_dir: Flake | None = None) -> ClanExports:
 
     log.debug(f"Evaluating flake {clan_dir} for Clan attrsets")
 
-    # from clan_cli.nix import nix_metadata
-    # from urllib.parse import urlencode
-    # myurl = f"path://{clan_dir}"
-
-    # metadata = nix_metadata(myurl)["locked"]
-    # query_params = {
-    #     "lastModified": metadata["lastModified"],
-    #     "narHash": metadata["narHash"]
-    # }
-    # url = f"{myurl}?{urlencode(query_params)}"
-
     # Nix evaluation script to compute find inputs that have a "clan" attribute
     eval_script = f"""
         let

pkgs/clan-cli/clan_cli/vms/run.py

@@ -129,6 +129,7 @@ def start_vm(
     env.update(extra_env)
     cmd = nix_shell(packages, args)
     machine.debug(f"Starting VM with command: {cmd}")
+
     with subprocess.Popen(
         cmd, env=env, stdout=stdout, stderr=stderr, stdin=stdin
     ) as process:
@@ -354,7 +355,7 @@ def run_vm(
             stdout=sys.stdout.buffer,
             stderr=sys.stderr.buffer,
             input_bytes=None,
-            log=Log.BOTH,
+            log=Log.NONE,
         )
         args: list[str] = vm.process.args  # type: ignore[assignment]