core: add --dump-bus-properties option to systemd

If systemd is invoked with this option, this dumps all bus properties.
This may be useful for shell completion for `systemctl --property`.

1 files changed, 2 insertions, 0 deletions

diff --git a/src/core/dbus.h b/src/core/dbus.h
index 1ef1fa27fd..a7a0eb3249 100644
--- a/src/core/dbus.h
+++ b/src/core/dbus.h
@@ -39,3 +39,5 @@ int bus_verify_set_environment_async(Manager *m, sd_bus_message *call, sd_bus_er
 int bus_forward_agent_released(Manager *m, const char *path);
 
 uint64_t manager_bus_n_queued_write(Manager *m);
+
+void dump_bus_properties(FILE *f);