From cde64c684395e097c4112ce78ceeb5a7d77993c6 Mon Sep 17 00:00:00 2001
From: Gaetan Lepage <gaetan@glepage.com>
Date: Sun, 11 Aug 2024 15:43:11 +0200
Subject: [PATCH] fix: unset PRJ_ROOT to prevent impure behavior

---
 module-options.nix | 1 +
 1 file changed, 1 insertion(+)

diff --git a/module-options.nix b/module-options.nix
index b49975d..3d97d30 100644
--- a/module-options.nix
+++ b/module-options.nix
@@ -180,6 +180,7 @@ in
               else
                 ''
                   set -euo pipefail
+                  unset PRJ_ROOT
                   exec ${config.package}/bin/treefmt \
                     --config-file=${config.build.configFile} \
                     --tree-root-file=${config.projectRootFile} \