From 4a438d1a8ae75fdc07da2aa22cde2491af299f82 Mon Sep 17 00:00:00 2001
From: Eman Resu <78693624+quatquatt@users.noreply.github.com>
Date: Fri, 15 May 2026 23:38:09 -0400
Subject: [PATCH] lib.strings.toSentenceCase: use -1 trick instead of computing
 stringLength

---
 lib/strings.nix | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/strings.nix b/lib/strings.nix
index f9b653ff1670..53dc515ac3f8 100644
--- a/lib/strings.nix
+++ b/lib/strings.nix
@@ -1594,7 +1594,7 @@ rec {
       (
         let
           firstChar = substring 0 1 str;
-          rest = substring 1 (stringLength str) str;
+          rest = substring 1 (-1) str; # -1 takes till the end of the string
         in
         addContextFrom str (toUpper firstChar + toLower rest)
       );