cli machines update: run deploy directly if deploying single machine

pkgs/clan-cli/clan_cli/machines/machine_group.py

@@ -10,6 +10,7 @@ T = TypeVar("T")
 
 class MachineGroup:
     def __init__(self, machines: list[Machine]) -> None:
+        self.machines = machines
         self.group = HostGroup([m.target_host for m in machines])
 
     def __repr__(self) -> str:

pkgs/clan-cli/clan_cli/machines/update.py

@@ -120,6 +120,7 @@ def deploy_machine(machines: MachineGroup) -> None:
         generate_vars([machine], None, False)
 
         upload_secrets(machine)
+
         path = upload_sources(
             machine,
         )
@@ -151,7 +152,10 @@ def deploy_machine(machines: MachineGroup) -> None:
         if ret.returncode != 0:
             ret = host.run(cmd, extra_env=env)
 
-    machines.run_function(deploy)
+    if len(machines.group.hosts) > 1:
+        machines.run_function(deploy)
+    else:
+        deploy(machines.machines[0])
 
 
 def update(args: argparse.Namespace) -> None: