From 917757fedfb95ed482cab4313907ce6ec698b603 Mon Sep 17 00:00:00 2001
From: Philipp Bokatius <contact@vonpb.de>
Date: Sun, 26 Feb 2023 18:46:15 +0100
Subject: [PATCH] fix: error on shell == nil

---
 lua/rust-tools/utils/utils.lua | 1 +
 1 file changed, 1 insertion(+)

diff --git a/lua/rust-tools/utils/utils.lua b/lua/rust-tools/utils/utils.lua
index 091f386..baaf975 100644
--- a/lua/rust-tools/utils/utils.lua
+++ b/lua/rust-tools/utils/utils.lua
@@ -7,6 +7,7 @@ end
 
 function M.is_nushell()
     local shell = vim.loop.os_getenv("SHELL")
+    if shell == nil then return false end
     local nu = "nu"
     -- Check if $SHELL ends in "nu"
     return shell:sub(-string.len(nu)) == nu