From 5ce2ca1bc0411b43e94e8a1dfdf3a90a5dc7fd20 Mon Sep 17 00:00:00 2001
From: Leon Henrik Plickat <leonhenrik.plickat@stud.uni-goettingen.de>
Date: Fri, 30 Jun 2023 22:43:29 +0200
Subject: [PATCH] river: fix crash when trying to add tag rule without tag
 argument

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

diff --git a/river/command/rule.zig b/river/command/rule.zig
index 773975e..562b6f2 100644
--- a/river/command/rule.zig
+++ b/river/command/rule.zig
@@ -52,6 +52,7 @@ pub fn ruleAdd(_: *Seat, args: []const [:0]const u8, _: *?[]const u8) Error!void
         .tag => 1,
     };
     if (result.args.len > positional_arguments_count) return Error.TooManyArguments;
+    if (result.args.len < positional_arguments_count) return Error.NotEnoughArguments;
 
     const app_id_glob = result.flags.@"app-id" orelse "*";
     const title_glob = result.flags.title orelse "*";