From 5788c408b7e8afe35926cf62daefa3d45777a67c Mon Sep 17 00:00:00 2001
From: Fuwn <contact@fuwn.net>
Date: Wed, 27 May 2026 09:57:05 +0000
Subject: fix: Reject out-of-range digits and surface data directory errors

---
 src/mayu.gleam | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

(limited to 'src/mayu.gleam')

diff --git a/src/mayu.gleam b/src/mayu.gleam
index 0d9fcf9..edb912d 100644
--- a/src/mayu.gleam
+++ b/src/mayu.gleam
@@ -12,7 +12,16 @@ import wisp
 pub fn main() {
   wisp.configure_logger()
 
-  let _ = simplifile.create_directory("./data")
+  case simplifile.create_directory("./data") {
+    Ok(_) | Error(simplifile.Eexist) -> Nil
+    Error(error) -> {
+      wisp.log_error(
+        "Failed to create ./data directory: "
+        <> simplifile.describe_error(error),
+      )
+      panic as "cannot create data directory"
+    }
+  }
   let image_cache = cache.load_themes()
   let version_tag = case envoy.get("MAYU_VERSION") {
     Ok(version) -> "(v" <> version <> ")"
-- 
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