55356a7821
Currently the varlink interface for hostname is only available after sysinit. This means it is not available until systemd-firstboot is finished. But there is information like the boot-id in there that is useful to get early. My use-case is to query the system early via the varlink-http-bridge and currently I can't get data from io.systemd.Hostname until systemd-firstboot is completed which is a bit limiting. So to fix it this commit sets DefaultDependencies=no on both the socket and service units. It also changes hostnamed.c to use bus_open_system_watch_bind_with_description() which means we will reconnect once dbus is available. This mimics what resolved-bus.c is doing (and which was originally introduced in d7afd945b). Thanks to Lennart for pointing this out.
System and Service Manager
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