ssh: do not print warning if networkd is not running on the host

Tools like VSCode can use 'mkosi ssh' but use pexpect, so don't print
these warnings as it will break them.

diff --git a/mkosi/__init__.py b/mkosi/__init__.py
index ae71346a4e5a6b1e169db8386a88bfe91fb051ea..6f7f02f44485d54a20e9cbc93fec3a120a325ffc 100644 (file)
--- a/mkosi/__init__.py
+++ b/mkosi/__init__.py
@@ -7151,8 +7151,11 @@ def has_networkd_vm_vt() -> bool:
 def ensure_networkd(args: CommandLineArguments) -> bool:
     networkd_is_running = run(["systemctl", "is-active", "--quiet", "systemd-networkd"], check=False).returncode == 0
     if not networkd_is_running:
-        warn("--network-veth requires systemd-networkd to be running to initialize the host interface "
-             "of the veth link ('systemctl enable --now systemd-networkd')")
+        if args.verb != "ssh":
+            # Some programs will use 'mkosi ssh' with pexpect, so don't print warnings that will break
+            # them.
+            warn("--network-veth requires systemd-networkd to be running to initialize the host interface "
+                 "of the veth link ('systemctl enable --now systemd-networkd')")
         return False
 
     if args.verb == "qemu" and not has_networkd_vm_vt():