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-rw-r--r--src/systemctl/systemctl-add-dependency.c86
1 files changed, 86 insertions, 0 deletions
diff --git a/src/systemctl/systemctl-add-dependency.c b/src/systemctl/systemctl-add-dependency.c
new file mode 100644
index 0000000..8df25b5
--- /dev/null
+++ b/src/systemctl/systemctl-add-dependency.c
@@ -0,0 +1,86 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+
+#include "bus-error.h"
+#include "bus-locator.h"
+#include "systemctl-add-dependency.h"
+#include "systemctl-daemon-reload.h"
+#include "systemctl-util.h"
+#include "systemctl.h"
+
+int verb_add_dependency(int argc, char *argv[], void *userdata) {
+ _cleanup_strv_free_ char **names = NULL;
+ _cleanup_free_ char *target = NULL;
+ const char *verb = argv[0];
+ UnitDependency dep;
+ int r;
+
+ if (!argv[1])
+ return 0;
+
+ r = unit_name_mangle_with_suffix(argv[1], "as target",
+ arg_quiet ? 0 : UNIT_NAME_MANGLE_WARN,
+ ".target", &target);
+ if (r < 0)
+ return log_error_errno(r, "Failed to mangle unit name: %m");
+
+ r = mangle_names("as dependency", strv_skip(argv, 2), &names);
+ if (r < 0)
+ return r;
+
+ if (streq(verb, "add-wants"))
+ dep = UNIT_WANTS;
+ else if (streq(verb, "add-requires"))
+ dep = UNIT_REQUIRES;
+ else
+ assert_not_reached();
+
+ if (install_client_side()) {
+ InstallChange *changes = NULL;
+ size_t n_changes = 0;
+
+ CLEANUP_ARRAY(changes, n_changes, install_changes_free);
+
+ r = unit_file_add_dependency(arg_runtime_scope, unit_file_flags_from_args(), arg_root, names, target, dep, &changes, &n_changes);
+ install_changes_dump(r, "add dependency on", changes, n_changes, arg_quiet);
+ if (r < 0)
+ return r;
+ } else {
+ _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL, *m = NULL;
+ _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
+ sd_bus *bus;
+
+ r = acquire_bus(BUS_MANAGER, &bus);
+ if (r < 0)
+ return r;
+
+ polkit_agent_open_maybe();
+
+ r = bus_message_new_method_call(bus, &m, bus_systemd_mgr, "AddDependencyUnitFiles");
+ if (r < 0)
+ return bus_log_create_error(r);
+
+ r = sd_bus_message_append_strv(m, names);
+ if (r < 0)
+ return bus_log_create_error(r);
+
+ r = sd_bus_message_append(m, "ssbb", target, unit_dependency_to_string(dep), arg_runtime, arg_force);
+ if (r < 0)
+ return bus_log_create_error(r);
+
+ r = sd_bus_call(bus, m, 0, &error, &reply);
+ if (r < 0)
+ return log_error_errno(r, "Failed to add dependency: %s", bus_error_message(&error, r));
+
+ r = bus_deserialize_and_dump_unit_file_changes(reply, arg_quiet);
+ if (r < 0)
+ return r;
+
+ if (!arg_no_reload) {
+ r = daemon_reload(ACTION_RELOAD, /* graceful= */ false);
+ if (r < 0)
+ return r;
+ }
+ }
+
+ return 0;
+}