static OutputMode arg_output = OUTPUT_SHORT;
static bool arg_plain = false;
-static const struct {
- const char *verb;
- const char *method;
-} unit_actions[] = {
- { "start", "StartUnit" },
- { "stop", "StopUnit" },
- { "condstop", "StopUnit" },
- { "reload", "ReloadUnit" },
- { "restart", "RestartUnit" },
- { "try-restart", "TryRestartUnit" },
- { "condrestart", "TryRestartUnit" },
- { "reload-or-restart", "ReloadOrRestartUnit" },
- { "reload-or-try-restart", "ReloadOrTryRestartUnit" },
- { "condreload", "ReloadOrTryRestartUnit" },
- { "force-reload", "ReloadOrTryRestartUnit" }
-};
-
static bool original_stdout_is_tty;
static int daemon_reload(sd_bus *bus, char **args);
assert(_unit_infos);
assert(_machines);
- replies = set_new(NULL, NULL);
+ replies = set_new(NULL);
if (!replies)
return log_oom();
return r;
STRV_FOREACH(i, machines) {
- _cleanup_bus_unref_ sd_bus *container = NULL;
+ _cleanup_bus_close_unref_ sd_bus *container = NULL;
int k;
r = sd_bus_open_system_container(&container, *i);
Iterator i;
unsigned n_units;
- h = hashmap_new(string_hash_func, string_compare_func);
+ h = hashmap_new(&string_hash_ops);
if (!h)
return log_oom();
}
n_units = hashmap_size(h);
+
units = new(UnitFileList, n_units);
- if (!units) {
+ if (!units && n_units > 0) {
unit_file_list_free(h);
return log_oom();
}
return bus_log_parse_error(r);
}
- if (c > 0) {
- qsort(units, c, sizeof(UnitFileList), compare_unit_file_list);
- output_unit_file_list(units, c);
- }
+ qsort_safe(units, c, sizeof(UnitFileList), compare_unit_file_list);
+ output_unit_file_list(units, c);
- if (avoid_bus())
+ if (avoid_bus()) {
for (unit = units; unit < units + c; unit++)
free(unit->path);
+ }
return 0;
}
}
static int get_machine_properties(sd_bus *bus, struct machine_info *mi) {
- _cleanup_bus_unref_ sd_bus *container = NULL;
+ _cleanup_bus_close_unref_ sd_bus *container = NULL;
int r;
assert(mi);
r = 0;
} else {
- _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
+ _cleanup_bus_message_unref_ sd_bus_message *reply = NULL, *m = NULL;
_cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
- r = sd_bus_call_method(
+ r = sd_bus_message_new_method_call(
bus,
+ &m,
"org.freedesktop.systemd1",
"/org/freedesktop/systemd1",
"org.freedesktop.systemd1.Manager",
- "SetDefaultTarget",
- &error,
- &reply,
- "sb", unit, true);
+ "SetDefaultTarget");
+ if (r < 0)
+ return bus_log_create_error(r);
+
+ r = sd_bus_message_set_allow_interactive_authorization(m, arg_ask_password);
+ if (r < 0)
+ return bus_log_create_error(r);
+
+ r = sd_bus_message_append(m, "sb", unit, 1);
+ if (r < 0)
+ return bus_log_create_error(r);
+
+ r = sd_bus_call(bus, m, 0, &error, &reply);
if (r < 0) {
log_error("Failed to set default target: %s", bus_error_message(&error, -r));
return r;
static int cancel_job(sd_bus *bus, char **args) {
_cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
char **name;
+ int r = 0;
assert(args);
return daemon_reload(bus, args);
STRV_FOREACH(name, args+1) {
+ _cleanup_bus_message_unref_ sd_bus_message *m = NULL;
uint32_t id;
- int r;
+ int q;
- r = safe_atou32(*name, &id);
- if (r < 0) {
- log_error("Failed to parse job id \"%s\": %s", *name, strerror(-r));
- return r;
+ q = safe_atou32(*name, &id);
+ if (q < 0) {
+ log_error("Failed to parse job id \"%s\": %s", *name, strerror(-q));
+ return q;
}
- r = sd_bus_call_method(
+ q = sd_bus_message_new_method_call(
bus,
+ &m,
"org.freedesktop.systemd1",
"/org/freedesktop/systemd1",
"org.freedesktop.systemd1.Manager",
- "CancelJob",
- &error,
- NULL,
- "u", id);
- if (r < 0) {
- log_error("Failed to cancel job %u: %s", (unsigned) id, bus_error_message(&error, r));
- return r;
+ "CancelJob");
+ if (q < 0)
+ return bus_log_create_error(q);
+
+ q = sd_bus_message_set_allow_interactive_authorization(m, arg_ask_password);
+ if (q < 0)
+ return bus_log_create_error(1);
+
+ q = sd_bus_message_append(m, "u", id);
+ if (q < 0)
+ return bus_log_create_error(q);
+
+ q = sd_bus_call(bus, m, 0, &error, NULL);
+ if (q < 0) {
+ log_error("Failed to cancel job %"PRIu32": %s", id, bus_error_message(&error, q));
+ if (r == 0)
+ r = q;
}
}
- return 0;
+ return r;
}
static int need_daemon_reload(sd_bus *bus, const char *unit) {
else if (streq(d->result, "canceled"))
log_error("Job for %s canceled.", strna(d->name));
else if (streq(d->result, "dependency"))
- log_error("A dependency job for %s failed. See 'journalctl -xn' for details.", strna(d->name));
- else if (!streq(d->result, "done") && !streq(d->result, "skipped"))
- log_error("Job for %s failed. See 'systemctl status %s' and 'journalctl -xn' for details.", strna(d->name), strna(d->name));
+ log_error("A dependency job for %s failed. See 'journalctl -xe' for details.", strna(d->name));
+ else if (!streq(d->result, "done") && !streq(d->result, "skipped")) {
+ if (d->name) {
+ bool quotes;
+
+ quotes = chars_intersect(d->name, SHELL_NEED_QUOTES);
+
+ log_error("Job for %s failed. See \"systemctl status %s%s%s\" and \"journalctl -xe\" for details.",
+ d->name,
+ quotes ? "'" : "", d->name, quotes ? "'" : "");
+ } else
+ log_error("Job failed. See \"journalctl -xe\" for details.");
+ }
}
if (streq(d->result, "timeout"))
while (!set_isempty(s)) {
q = bus_process_wait(bus);
if (q < 0) {
- log_error("Failed to wait for response: %s", strerror(-r));
+ log_error("Failed to wait for response: %s", strerror(-q));
return q;
}
return 0;
}
+static const struct {
+ const char *verb;
+ const char *method;
+} unit_actions[] = {
+ { "start", "StartUnit" },
+ { "stop", "StopUnit" },
+ { "condstop", "StopUnit" },
+ { "reload", "ReloadUnit" },
+ { "restart", "RestartUnit" },
+ { "try-restart", "TryRestartUnit" },
+ { "condrestart", "TryRestartUnit" },
+ { "reload-or-restart", "ReloadOrRestartUnit" },
+ { "reload-or-try-restart", "ReloadOrTryRestartUnit" },
+ { "condreload", "ReloadOrTryRestartUnit" },
+ { "force-reload", "ReloadOrTryRestartUnit" }
+};
+
static const char *verb_to_method(const char *verb) {
uint i;
sd_bus_error *error,
Set *s) {
- _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
+ _cleanup_bus_message_unref_ sd_bus_message *m = NULL, *reply = NULL;
const char *path;
int r;
assert(error);
log_debug("Calling manager for %s on %s, %s", method, name, mode);
- r = sd_bus_call_method(
+
+ r = sd_bus_message_new_method_call(
bus,
+ &m,
"org.freedesktop.systemd1",
"/org/freedesktop/systemd1",
"org.freedesktop.systemd1.Manager",
- method,
- error,
- &reply,
- "ss", name, mode);
+ method);
+ if (r < 0)
+ return bus_log_create_error(r);
+
+ r = sd_bus_message_set_allow_interactive_authorization(m, arg_ask_password);
+ if (r < 0)
+ return bus_log_create_error(r);
+
+ r = sd_bus_message_append(m, "ss", name, mode);
+ if (r < 0)
+ return bus_log_create_error(r);
+
+ r = sd_bus_call(bus, m, 0, error, &reply);
if (r < 0) {
const char *verb;
static int start_unit(sd_bus *bus, char **args) {
_cleanup_set_free_free_ Set *s = NULL;
_cleanup_strv_free_ char **names = NULL;
- const char *method, *mode, *one_name;
+ const char *method, *mode, *one_name, *suffix = NULL;
char **name;
int r = 0;
method = verb_to_method(args[0]);
action = verb_to_action(args[0]);
- mode = streq(args[0], "isolate") ? "isolate" :
- action_table[action].mode ?: arg_job_mode;
+ if (streq(args[0], "isolate")) {
+ mode = "isolate";
+ suffix = ".target";
+ } else
+ mode = action_table[action].mode ?: arg_job_mode;
one_name = action_table[action].target;
} else {
if (one_name)
names = strv_new(one_name, NULL);
else {
- r = expand_names(bus, args + 1, NULL, &names);
+ r = expand_names(bus, args + 1, suffix, &names);
if (r < 0)
log_error("Failed to expand names: %s", strerror(-r));
}
return r;
}
- s = set_new(string_hash_func, string_compare_func);
+ s = set_new(&string_hash_ops);
if (!s)
return log_oom();
}
method,
&error,
NULL,
- "b", true);
+ "b", arg_ask_password);
if (r < 0)
log_error("Failed to execute operation: %s", bus_error_message(&error, r));
log_error("Failed to expand names: %s", strerror(-r));
STRV_FOREACH(name, names) {
- q = sd_bus_call_method(
+ _cleanup_bus_message_unref_ sd_bus_message *m = NULL;
+
+ q = sd_bus_message_new_method_call(
bus,
+ &m,
"org.freedesktop.systemd1",
"/org/freedesktop/systemd1",
"org.freedesktop.systemd1.Manager",
- "KillUnit",
- &error,
- NULL,
- "ssi", *names, arg_kill_who, arg_signal);
+ "KillUnit");
+ if (q < 0)
+ return bus_log_create_error(q);
+
+ q = sd_bus_message_set_allow_interactive_authorization(m, arg_ask_password);
+ if (q < 0)
+ return bus_log_create_error(q);
+
+ q = sd_bus_message_append(m, "ssi", *names, arg_kill_who, arg_signal);
+ if (q < 0)
+ return bus_log_create_error(q);
+
+ q = sd_bus_call(bus, m, 0, &error, NULL);
if (q < 0) {
- log_error("Failed to kill unit %s: %s",
- *names, bus_error_message(&error, r));
+ log_error("Failed to kill unit %s: %s", *names, bus_error_message(&error, q));
if (r == 0)
r = q;
}
if (i->main_pid > 0 || i->control_pid > 0) {
if (i->main_pid > 0) {
- printf(" Main PID: %u", (unsigned) i->main_pid);
+ printf(" Main PID: "PID_FMT, i->main_pid);
if (i->running) {
_cleanup_free_ char *comm = NULL;
if (i->control_pid > 0) {
_cleanup_free_ char *c = NULL;
- printf(" %8s: %u", i->main_pid ? "" : " Control", (unsigned) i->control_pid);
+ printf(" %8s: "PID_FMT, i->main_pid ? "" : " Control", i->control_pid);
get_process_comm(i->control_pid, &c);
if (c)
return bus_log_parse_error(r);
if (u > 0)
- printf("%s=%u\n", name, (unsigned) u);
+ printf("%s=%"PRIu32"\n", name, u);
else if (arg_all)
printf("%s=\n", name);
tt = strv_join(info.argv, " ");
- printf("%s={ path=%s ; argv[]=%s ; ignore_errors=%s ; start_time=[%s] ; stop_time=[%s] ; pid=%u ; code=%s ; status=%i%s%s }\n",
+ printf("%s={ path=%s ; argv[]=%s ; ignore_errors=%s ; start_time=[%s] ; stop_time=[%s] ; pid="PID_FMT" ; code=%s ; status=%i%s%s }\n",
name,
strna(info.path),
strna(tt),
yes_no(info.ignore),
strna(format_timestamp(timestamp1, sizeof(timestamp1), info.start_timestamp)),
strna(format_timestamp(timestamp2, sizeof(timestamp2), info.exit_timestamp)),
- (unsigned) info. pid,
+ info.pid,
sigchld_code_to_string(info.code),
info.status,
info.code == CLD_EXITED ? "" : "/",
}
static int cat(sd_bus *bus, char **args) {
- _cleanup_free_ char *unit = NULL;
_cleanup_strv_free_ char **names = NULL;
char **name;
bool first = true;
STRV_FOREACH(name, names) {
_cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
_cleanup_strv_free_ char **dropin_paths = NULL;
- _cleanup_free_ char *fragment_path = NULL;
+ _cleanup_free_ char *fragment_path = NULL, *unit = NULL;
char **path;
unit = unit_dbus_path_from_name(*name);
if (r < 0)
return bus_log_create_error(r);
+ r = sd_bus_message_set_allow_interactive_authorization(m, arg_ask_password);
+ if (r < 0)
+ return bus_log_create_error(r);
+
n = unit_name_mangle(args[1], MANGLE_NOGLOB);
if (!n)
return log_oom();
static int snapshot(sd_bus *bus, char **args) {
_cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
- _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
+ _cleanup_bus_message_unref_ sd_bus_message *m = NULL, *reply = NULL;
_cleanup_free_ char *n = NULL, *id = NULL;
const char *path;
int r;
if (!n)
return log_oom();
- r = sd_bus_call_method(
+ r = sd_bus_message_new_method_call(
bus,
+ &m,
"org.freedesktop.systemd1",
"/org/freedesktop/systemd1",
"org.freedesktop.systemd1.Manager",
- "CreateSnapshot",
- &error,
- &reply,
- "sb", n, false);
+ "CreateSnapshot");
+ if (r < 0)
+ return bus_log_create_error(r);
+
+ r = sd_bus_message_set_allow_interactive_authorization(m, arg_ask_password);
+ if (r < 0)
+ return bus_log_create_error(r);
+
+ r = sd_bus_message_append(m, "sb", n, false);
+ if (r < 0)
+ return bus_log_create_error(r);
+
+ r = sd_bus_call(bus, m, 0, &error, &reply);
if (r < 0) {
log_error("Failed to create snapshot: %s", bus_error_message(&error, r));
return r;
_cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
_cleanup_strv_free_ char **names = NULL;
char **name;
- int r, q;
+ int r;
assert(args);
log_error("Failed to expand names: %s", strerror(-r));
STRV_FOREACH(name, names) {
- q = sd_bus_call_method(
+ _cleanup_bus_message_unref_ sd_bus_message *m = NULL;
+ int q;
+
+ q = sd_bus_message_new_method_call(
bus,
+ &m,
"org.freedesktop.systemd1",
"/org/freedesktop/systemd1",
"org.freedesktop.systemd1.Manager",
- "RemoveSnapshot",
- &error,
- NULL,
- "s", *name);
+ "RemoveSnapshot");
+ if (q < 0)
+ return bus_log_create_error(q);
+
+ q = sd_bus_message_set_allow_interactive_authorization(m, arg_ask_password);
+ if (q < 0)
+ return bus_log_create_error(q);
+
+ q = sd_bus_message_append(m, "s", *name);
+ if (q < 0)
+ return bus_log_create_error(q);
+
+ q = sd_bus_call(bus, m, 0, &error, NULL);
if (q < 0) {
- log_error("Failed to remove snapshot %s: %s",
- *name, bus_error_message(&error, r));
+ log_error("Failed to remove snapshot %s: %s", *name, bus_error_message(&error, q));
if (r == 0)
r = q;
}
static int daemon_reload(sd_bus *bus, char **args) {
_cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
+ _cleanup_bus_message_unref_ sd_bus_message *m = NULL;
const char *method;
int r;
/* "daemon-reload" */ "Reload";
}
- r = sd_bus_call_method(
+ r = sd_bus_message_new_method_call(
bus,
+ &m,
"org.freedesktop.systemd1",
"/org/freedesktop/systemd1",
"org.freedesktop.systemd1.Manager",
- method,
- &error,
- NULL,
- NULL);
+ method);
+ if (r < 0)
+ return bus_log_create_error(r);
+
+ r = sd_bus_message_set_allow_interactive_authorization(m, arg_ask_password);
+ if (r < 0)
+ return bus_log_create_error(r);
+ r = sd_bus_call(bus, m, 0, &error, NULL);
if (r == -ENOENT && arg_action != ACTION_SYSTEMCTL)
/* There's always a fallback possible for
* legacy actions. */
log_error("Failed to expand names: %s", strerror(-r));
STRV_FOREACH(name, names) {
- q = sd_bus_call_method(
+ _cleanup_bus_message_unref_ sd_bus_message *m = NULL;
+
+ q = sd_bus_message_new_method_call(
bus,
+ &m,
"org.freedesktop.systemd1",
"/org/freedesktop/systemd1",
"org.freedesktop.systemd1.Manager",
- "ResetFailedUnit",
- &error,
- NULL,
- "s", *name);
+ "ResetFailedUnit");
+ if (q < 0)
+ return bus_log_create_error(q);
+
+ q = sd_bus_message_set_allow_interactive_authorization(m, arg_ask_password);
+ if (q < 0)
+ return bus_log_create_error(q);
+
+ q = sd_bus_message_append(m, "s", *name);
+ if (q < 0)
+ return bus_log_create_error(q);
+
+ q = sd_bus_call(bus, m, 0, &error, NULL);
if (q < 0) {
- log_error("Failed to reset failed state of unit %s: %s",
- *name, bus_error_message(&error, r));
+ log_error("Failed to reset failed state of unit %s: %s", *name, bus_error_message(&error, q));
if (r == 0)
r = q;
}
const char *root_systemd_path = NULL, *root_init_path = NULL;
root_systemd_path = strappenda(root, "/" SYSTEMD_BINARY_PATH);
- root_init_path = strappenda3(root, "/", init);
+ root_init_path = strappenda(root, "/", init);
/* If the passed init is actually the same as the
* systemd binary, then let's suppress it. */
if (r < 0)
return bus_log_create_error(r);
+ r = sd_bus_message_set_allow_interactive_authorization(m, arg_ask_password);
+ if (r < 0)
+ return bus_log_create_error(r);
+
r = sd_bus_message_append_strv(m, args + 1);
if (r < 0)
return bus_log_create_error(r);
if (r < 0)
return bus_log_create_error(r);
+ r = sd_bus_message_set_allow_interactive_authorization(m, arg_ask_password);
+ if (r < 0)
+ return bus_log_create_error(r);
+
if (strv_isempty(args + 1))
r = sd_bus_message_append_strv(m, environ);
else {
if (r < 0)
return bus_log_create_error(r);
+ r = sd_bus_message_set_allow_interactive_authorization(m, arg_ask_password);
+ 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);
return r;
}
+static int add_dependency(sd_bus *bus, char **args) {
+ _cleanup_strv_free_ char **names = NULL;
+ _cleanup_free_ char *target = NULL;
+ const char *verb = args[0];
+ UnitDependency dep;
+ int r = 0;
+
+ if (!args[1])
+ return 0;
+
+ target = unit_name_mangle_with_suffix(args[1], MANGLE_NOGLOB, ".target");
+ if (!target)
+ return log_oom();
+
+ r = mangle_names(args+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 (!bus || avoid_bus()) {
+ UnitFileChange *changes = NULL;
+ unsigned n_changes = 0;
+
+ r = unit_file_add_dependency(arg_scope, arg_runtime, arg_root, names, target, dep, arg_force, &changes, &n_changes);
+
+ if (r < 0) {
+ log_error("Can't add dependency: %s", strerror(-r));
+ return r;
+ }
+
+ if (!arg_quiet)
+ dump_unit_file_changes(changes, n_changes);
+
+ unit_file_changes_free(changes, n_changes);
+
+ } else {
+ _cleanup_bus_message_unref_ sd_bus_message *reply = NULL, *m = NULL;
+ _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
+
+ r = sd_bus_message_new_method_call(
+ bus,
+ &m,
+ "org.freedesktop.systemd1",
+ "/org/freedesktop/systemd1",
+ "org.freedesktop.systemd1.Manager",
+ "AddDependencyUnitFiles");
+ if (r < 0)
+ return bus_log_create_error(r);
+
+ r = sd_bus_message_set_allow_interactive_authorization(m, arg_ask_password);
+ 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) {
+ log_error("Failed to execute operation: %s", bus_error_message(&error, r));
+ return r;
+ }
+
+ r = deserialize_and_dump_unit_file_changes(reply);
+ if (r < 0)
+ return r;
+
+ if (!arg_no_reload)
+ r = daemon_reload(bus, args);
+ else
+ r = 0;
+ }
+
+ return r;
+}
+
static int preset_all(sd_bus *bus, char **args) {
UnitFileChange *changes = NULL;
unsigned n_changes = 0;
r = 0;
} else {
- _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
+ _cleanup_bus_message_unref_ sd_bus_message *m = NULL, *reply = NULL;
_cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
- r = sd_bus_call_method(
+ r = sd_bus_message_new_method_call(
bus,
+ &m,
"org.freedesktop.systemd1",
"/org/freedesktop/systemd1",
"org.freedesktop.systemd1.Manager",
- "PresetAllUnitFiles",
- &error,
- &reply,
+ "PresetAllUnitFiles");
+ if (r < 0)
+ return bus_log_create_error(r);
+
+ r = sd_bus_message_set_allow_interactive_authorization(m, arg_ask_password);
+ if (r < 0)
+ return bus_log_create_error(r);
+
+ r = sd_bus_message_append(
+ m,
"sbb",
unit_file_preset_mode_to_string(arg_preset_mode),
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) {
log_error("Failed to execute operation: %s", bus_error_message(&error, r));
return r;
" unmask NAME... Unmask one or more units\n"
" link PATH... Link one or more units files into\n"
" the search path\n"
+ " add-wants TARGET NAME... Add 'Wants' dependency for the target\n"
+ " on specified one or more units\n"
+ " add-requires TARGET NAME... Add 'Requires' dependency for the target\n"
+ " on specified one or more units\n"
" get-default Get the name of the default target\n"
" set-default NAME Set the default target\n\n"
"Machine Commands:\n"
{ "get-default", EQUAL, 1, get_default, NOBUS },
{ "set-property", MORE, 3, set_property },
{ "is-system-running", EQUAL, 1, is_system_running },
+ { "add-wants", MORE, 3, add_dependency, NOBUS },
+ { "add-requires", MORE, 3, add_dependency, NOBUS },
{}
}, *verb = verbs;
}
int main(int argc, char*argv[]) {
- _cleanup_bus_unref_ sd_bus *bus = NULL;
+ _cleanup_bus_close_unref_ sd_bus *bus = NULL;
int r;
setlocale(LC_ALL, "");
~ianmdlvl / elogind.git / blobdiff