From 76f26b26924377a8c60f7f18eedaf24ba86ef71e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=B6rg=20Thalheim?= <joerg@thalheim.io>
Date: Sat, 13 Nov 2021 06:45:36 +0100
Subject: [PATCH] useFlake(): fix sed invocation on legacy operating systems

macOS has `-i` but it insists on writing backup files.
---
 direnvrc | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/direnvrc b/direnvrc
index 5e8951e..81b81e2 100644
--- a/direnvrc
+++ b/direnvrc
@@ -152,7 +152,8 @@ use_flake() {
 
     log_status renewed cache
   else
-    sed -i "/eval \"\$shellHook\"/d" "$profile_rc"
+    sed "/eval \"\$shellHook\"/d" "$profile_rc" > "${profile_rc}.tmp"
+    mv "${profile_rc}.tmp" "${profile_rc}"
     log_status using cached dev shell
   fi