From f3a2876c3a830bfc073ebd11f725657e03e98935 Mon Sep 17 00:00:00 2001
From: Farid Zakaria <farid.m.zakaria@gmail.com>
Date: Mon, 29 Sep 2025 09:24:43 -0700
Subject: [PATCH] shellcheck fix: tests/functional/hash-convert.sh

---
 maintainers/flake-module.nix     | 1 -
 tests/functional/hash-convert.sh | 2 +-
 2 files changed, 1 insertion(+), 2 deletions(-)

diff --git a/maintainers/flake-module.nix b/maintainers/flake-module.nix
index b080683ff..3bf41bc14 100644
--- a/maintainers/flake-module.nix
+++ b/maintainers/flake-module.nix
@@ -106,7 +106,6 @@
             enable = true;
             excludes = [
               # We haven't linted these files yet
-              ''^tests/functional/hash-convert\.sh$''
               ''^tests/functional/impure-derivations\.sh$''
               ''^tests/functional/impure-eval\.sh$''
               ''^tests/functional/install-darwin\.sh$''
diff --git a/tests/functional/hash-convert.sh b/tests/functional/hash-convert.sh
index c40cb469c..9ef4c189d 100755
--- a/tests/functional/hash-convert.sh
+++ b/tests/functional/hash-convert.sh
@@ -99,7 +99,7 @@ try3() {
     expectStderr 1 nix hash convert --hash-algo "$1" --from nix32 "$4" | grepQuiet "input hash"
 
     # Base-16 hashes can be in uppercase.
-    nix hash convert --hash-algo "$1" --from base16 "$(echo $2 | tr [a-z] [A-Z])"
+    nix hash convert --hash-algo "$1" --from base16 "$(echo "$2" | tr '[:lower:]' '[:upper:]')"
 }
 
 try3 sha1 "800d59cfcd3c05e900cb4e214be48f6b886a08df" "vw46m23bizj4n8afrc0fj19wrp7mj3c0" "gA1Zz808BekAy04hS+SPa4hqCN8="