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/* 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 add_dependency(int argc, char *argv[], void *userdata) {
_cleanup_strv_free_ char **names = NULL;
_cleanup_free_ char *target = NULL;
const char *verb = argv[0];
UnitFileChange *changes = NULL;
size_t n_changes = 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("Unknown verb");
if (install_client_side()) {
r = unit_file_add_dependency(arg_scope, unit_file_flags_from_args(), arg_root, names, target, dep, &changes, &n_changes);
unit_file_dump_changes(r, "add dependency on", changes, n_changes, arg_quiet);
if (r > 0)
r = 0;
} 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, &changes, &n_changes);
if (r < 0)
goto finish;
if (arg_no_reload) {
r = 0;
goto finish;
}
r = daemon_reload(argc, argv, userdata);
}
finish:
unit_file_changes_free(changes, n_changes);
return r;
}
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