commit - 3b21cca385c403247960cfe9385dda1d56f28670
commit + f98e9045aef95fe28972d477ee549974c7cefb9f
blob - 3801306c4c6e1ee019b5b3cb1e5e57d3b9f55b78
blob + 472bedff33446af49b6954e29dcbc93ff2361ba2
--- ChangeLog
+++ ChangeLog
@@ -1,4 +1,6 @@
 2021-06-29  Omar Polo  <op@omarpolo.com>
+
+	* gmid.c (main): add -D to define macros from the cmd line
 
 	* parse.y (yylex): allow to define macros in the config file
 
blob - 4fcd5c208da21e5bdd56265a31662c058a456ccd
blob + 93e189561ec10c5b61f69da26f0608dcab452fd0
--- gmid.c
+++ gmid.c
@@ -27,7 +27,7 @@
 #include <signal.h>
 #include <string.h>
 
-static const char	*opts = "6c:d:fH:hnP:p:Vvx:";
+static const char	*opts = "6c:D:d:fH:hnP:p:Vvx:";
 
 static struct option longopts[] = {
 	{"help",	no_argument,		NULL,	'h'},
@@ -382,7 +382,7 @@ usage(void)
 {
 	fprintf(stderr,
 	    "Version: " GMID_STRING "\n"
-	    "Usage: %s [-fnv] [-c config] [-P pidfile]\n"
+	    "Usage: %s [-fnv] [-c config] [-D macro=value] [-P pidfile]\n"
 	    "       %s [-6hVv] [-d certs-dir] [-H hostname] [-p port] [-x cgi] [dir]\n",
 	    getprogname(),
 	    getprogname());
@@ -548,6 +548,11 @@ main(int argc, char **argv)
 			config_path = absolutify_path(optarg);
 			break;
 
+		case 'D':
+			if (cmdline_symset(optarg) == -1)
+				errx(1, "invalid macro: %s", optarg);
+			break;
+
 		case 'd':
 			certs_dir = optarg;
 			configless = 1;