bin/xbps-dgraph: print usage if package is not given

fixes: #614
void-linux · Dec 29, 2024 · 84f332c · 84f332c
1 parent e82437f
commit 84f332c
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/bin/xbps-dgraph/main.c b/bin/xbps-dgraph/main.c
@@ -594,6 +594,10 @@ main(int argc, char **argv)
 		/* NOTREACHED */
 	}
 	pkg = *argv;
+	if (!pkg) {
+		usage(true);
+		/* NOTREACHED */
+	}
 
 	/* Initialize libxbps */
 	memset(&xh, 0, sizeof(xh));