swaybar: add --help option

This commit is contained in:
Christoph Gysin 2016-01-23 21:22:27 +02:00
parent bba72fb21a
commit ac3f36c091

View File

@ -1191,6 +1191,7 @@ int main(int argc, char **argv) {
bool debug = false; bool debug = false;
static struct option long_options[] = { static struct option long_options[] = {
{"help", no_argument, NULL, 'h'},
{"version", no_argument, NULL, 'v'}, {"version", no_argument, NULL, 'v'},
{"socket", required_argument, NULL, 's'}, {"socket", required_argument, NULL, 's'},
{"bar_id", required_argument, NULL, 'b'}, {"bar_id", required_argument, NULL, 'b'},
@ -1198,10 +1199,23 @@ int main(int argc, char **argv) {
{0, 0, 0, 0} {0, 0, 0, 0}
}; };
const char *usage =
"Usage: swaybar [options...] <output>\n"
"\n"
" -h, --help Show help message and quit.\n"
" -v, --version Show the version number and quit.\n"
" -s, --socket <socket> Connect to sway via socket.\n"
" -b, --bar_id <id> Bar ID for which to get the configuration.\n"
" -d, --debug Enable debugging.\n"
"\n"
" PLEASE NOTE that swaybar will be automatically started by sway as\n"
" soon as there is a 'bar' configuration block in your config file.\n"
" You should never need to start it manually.\n";
int c; int c;
while (1) { while (1) {
int option_index = 0; int option_index = 0;
c = getopt_long(argc, argv, "vs:b:d", long_options, &option_index); c = getopt_long(argc, argv, "hvs:b:d", long_options, &option_index);
if (c == -1) { if (c == -1) {
break; break;
} }
@ -1224,6 +1238,7 @@ int main(int argc, char **argv) {
debug = true; debug = true;
break; break;
default: default:
fprintf(stderr, "%s", usage);
exit(EXIT_FAILURE); exit(EXIT_FAILURE);
} }
} }