input: prevent duplicate input configs

 river/command/input.zig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/river/command/input.zig b/river/command/input.zig
index 09acae7..acc7927 100644
--- a/river/command/input.zig
+++ b/river/command/input.zig
@@ -91,6 +91,7 @@ pub fn input(
     for (server.input_manager.configs.items) |*input_config| {
         if (mem.eql(u8, input_config.glob, args[1])) {
             try input_config.parse(args[2], args[3]);
+            break;
         }
     } else {
         var input_config: InputConfig = .{