From 99d476e7b12f47d8ec0ad87efb9829870a26f6f9 Mon Sep 17 00:00:00 2001
From: Charlotte Van Petegem <charlotte@vanpetegem.me>
Date: Fri, 24 Jul 2020 20:45:02 +0200
Subject: [PATCH] Make sure direnv flake profiles aren't garbage-collected

---
 configurations/direnv.nix | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/configurations/direnv.nix b/configurations/direnv.nix
index f48fa0e3..dac7a500 100644
--- a/configurations/direnv.nix
+++ b/configurations/direnv.nix
@@ -18,7 +18,12 @@
         use_flake() {
           watch_file flake.nix
           watch_file flake.lock
-          eval "$(nix print-dev-env --profile "$(direnv_layout_dir)/flake-profile")"
+          local profile_dir="$(direnv_layout_dir)/flake-profile"
+          eval "$(nix print-dev-env --profile "''${profile_dir}")"
+          local stripped_pwd=''${PWD/\//}
+          local escaped_pwd=''${stripped_pwd//-/--}
+          local escaped_pwd=''${escaped_pwd//\//-}
+          ln -fs "''${profile_dir}" "/nix/var/nix/gcroots/per-user/$USER/''${escaped_pwd}"
         }
       '';
     };