static bool arg_verbose = false;
+static enum {
+ ACTION_AC_POWER,
+ ACTION_LOW,
+} arg_action = ACTION_AC_POWER;
+
static void help(void) {
printf("%s\n\n"
"Report whether we are connected to an external power source.\n\n"
" -h --help Show this help\n"
" --version Show package version\n"
- " -v --verbose Show state as text\n",
+ " -v --verbose Show state as text\n"
+ " --low Checks if battery is discharing and low\n",
program_invocation_short_name);
}
enum {
ARG_VERSION = 0x100,
+ ARG_LOW,
};
static const struct option options[] = {
{ "help", no_argument, NULL, 'h' },
{ "version", no_argument, NULL, ARG_VERSION },
{ "verbose", no_argument, NULL, 'v' },
+ { "low", no_argument, NULL, ARG_LOW },
{}
};
arg_verbose = true;
break;
+ case ARG_LOW:
+ arg_action = ACTION_LOW;
+ break;
+
case '?':
return -EINVAL;
if (r <= 0)
return r;
- r = on_ac_power();
- if (r < 0)
- return log_error_errno(r, "Failed to read AC status: %m");
+ if (arg_action == ACTION_AC_POWER) {
+ r = on_ac_power();
+ if (r < 0)
+ return log_error_errno(r, "Failed to read AC status: %m");
+ } else {
+ r = battery_is_discharging_and_low();
+ if (r < 0)
+ return log_error_errno(r, "Failed to read battery discharging + low status: %m");
+ }
if (arg_verbose)
puts(yes_no(r));