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busctl: always prefix bus error message with local string

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The message we get from the bus can be pretty bare-bones, and the user might be
confused which operation failed. Since we don't control the other side, let's
prefix the remote message with an informative prefix.
This commit is contained in:
Zbigniew Jędrzejewski-Szmek 2019-05-31 16:21:56 +02:00
parent 9e5205d2f7
commit 24a4e7ff9d
1 changed files with 17 additions and 6 deletions
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23
src/busctl/busctl.c
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@ -975,7 +975,8 @@ static int introspect(int argc, char **argv, void *userdata) {
r = sd_bus_call_method(bus, argv[1], argv[2], "org.freedesktop.DBus.Properties", "GetAll", &error, &reply, "s", m->interface);
if (r < 0)
return log_error_errno(r, "%s", bus_error_message(&error, r));
return log_error_errno(r, "Failed to get all properties on interface %s: %s",
m->interface, bus_error_message(&error, r));
r = sd_bus_message_enter_container(reply, 'a', "{sv}");
if (r < 0)
@ -1181,7 +1182,12 @@ static int monitor(int argc, char **argv, int (*dump)(sd_bus_message *m, FILE *f
return r;
/* upgrade connection; it's not used for anything else after this call */
r = sd_bus_message_new_method_call(bus, &message, "org.freedesktop.DBus", "/org/freedesktop/DBus", "org.freedesktop.DBus.Monitoring", "BecomeMonitor");
r = sd_bus_message_new_method_call(bus,
&message,
"org.freedesktop.DBus",
"/org/freedesktop/DBus",
"org.freedesktop.DBus.Monitoring",
"BecomeMonitor");
if (r < 0)
return bus_log_create_error(r);
@ -1229,7 +1235,8 @@ static int monitor(int argc, char **argv, int (*dump)(sd_bus_message *m, FILE *f
r = sd_bus_call(bus, message, arg_timeout, &error, NULL);
if (r < 0)
return log_error_errno(r, "%s", bus_error_message(&error, r));
return log_error_errno(r, "Call to org.freedesktop.DBus.Monitoring.BecomeMonitor failed: %s",
bus_error_message(&error, r));
r = sd_bus_get_unique_name(bus, &unique_name);
if (r < 0)
@ -1987,7 +1994,7 @@ static int call(int argc, char **argv, void *userdata) {
r = sd_bus_call(bus, m, arg_timeout, &error, &reply);
if (r < 0)
return log_error_errno(r, "%s", bus_error_message(&error, r));
return log_error_errno(r, "Call failed: %s", bus_error_message(&error, r));
r = sd_bus_message_is_empty(reply);
if (r < 0)
@ -2089,7 +2096,9 @@ static int get_property(int argc, char **argv, void *userdata) {
r = sd_bus_call_method(bus, argv[1], argv[2], "org.freedesktop.DBus.Properties", "Get", &error, &reply, "ss", argv[3], *i);
if (r < 0)
return log_error_errno(r, "%s", bus_error_message(&error, r));
return log_error_errno(r, "Failed to get property %s on interface %s: %s",
*i, argv[3],
bus_error_message(&error, r));
r = sd_bus_message_peek_type(reply, &type, &contents);
if (r < 0)
@ -2173,7 +2182,9 @@ static int set_property(int argc, char **argv, void *userdata) {
r = sd_bus_call(bus, m, arg_timeout, &error, NULL);
if (r < 0)
return log_error_errno(r, "%s", bus_error_message(&error, r));
return log_error_errno(r, "Failed to set property %s on interface %s: %s",
argv[4], argv[3],
bus_error_message(&error, r));
return 0;
}