machinectl: add "enable" and "disable" verbs for enabling/disabling systemd-nspawn for containers

This is basically just a shortcut for "systemctl enable
systemd-nspawn@<foobar>.service", but does escaping.

2 files changed, 28 insertions, 0 deletions

diff --git a/src/libsystemd/sd-bus/bus-util.c b/src/libsystemd/sd-bus/bus-util.c
index c264f2d3fd..29520f95d2 100644
--- a/src/libsystemd/sd-bus/bus-util.c
+++ b/src/libsystemd/sd-bus/bus-util.c
@@ -1776,3 +1776,29 @@ int bus_wait_for_jobs_add(BusWaitForJobs *d, const char *path) {
 
         return set_put_strdup(d->jobs, path);
 }
+
+int bus_deserialize_and_dump_unit_file_changes(sd_bus_message *m, bool quiet) {
+        const char *type, *path, *source;
+        int r;
+
+        r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(sss)");
+        if (r < 0)
+                return bus_log_parse_error(r);
+
+        while ((r = sd_bus_message_read(m, "(sss)", &type, &path, &source)) > 0) {
+                if (!quiet) {
+                        if (streq(type, "symlink"))
+                                log_info("Created symlink from %s to %s.", path, source);
+                        else
+                                log_info("Removed symlink %s.", path);
+                }
+        }
+        if (r < 0)
+                return bus_log_parse_error(r);
+
+        r = sd_bus_message_exit_container(m);
+        if (r < 0)
+                return bus_log_parse_error(r);
+
+        return 0;
+}
diff --git a/src/libsystemd/sd-bus/bus-util.h b/src/libsystemd/sd-bus/bus-util.h
index 31e7fadbb6..e8a97cef9e 100644
--- a/src/libsystemd/sd-bus/bus-util.h
+++ b/src/libsystemd/sd-bus/bus-util.h
@@ -210,3 +210,5 @@ int bus_wait_for_jobs_add(BusWaitForJobs *d, const char *path);
 int bus_wait_for_jobs(BusWaitForJobs *d, bool quiet);
 
 DEFINE_TRIVIAL_CLEANUP_FUNC(BusWaitForJobs*, bus_wait_for_jobs_free);
+
+int bus_deserialize_and_dump_unit_file_changes(sd_bus_message *m, bool quiet);