feat: switch to nix-direnv

home/shell/.direnvrc

@@ -1,62 +0,0 @@
-use_nix() {
-  local path="$(nix-instantiate --find-file nixpkgs)"
-
-  if [ -f "${path}/.version-suffix" ]; then
-    local version="$(< $path/.version-suffix)"
-  elif [ -f "${path}/.git" ]; then
-    local version="$(< $(< ${path}/.git/HEAD))"
-  fi
-
-  local cache=".direnv/cache-${version:-unknown}"
-
-  local update_drv=0
-  if [[ ! -e "$cache" ]] || \
-    [[ "$HOME/.direnvrc" -nt "$cache" ]] || \
-    [[ .envrc -nt "$cache" ]] || \
-    [[ default.nix -nt "$cache" ]] || \
-    [[ shell.nix -nt "$cache" ]];
-  then
-    [ -d .direnv ] || mkdir .direnv
-    nix-shell --show-trace --pure "$@" --run "\"$direnv\" dump bash" > "$cache"
-    update_drv=1
-  else
-    log_status using cached derivation
-  fi
-  local term_backup=$TERM path_backup=$PATH
-  if ! [ -z ${TMPDIR+x} ]; then
-    local tmp_backup=$TMPDIR
-  fi
-
-  eval "$(< $cache)"
-  export PATH=$PATH:$path_backup TERM=$term_backup TMPDIR=$tmp_backup
-  if ! [ -z ${tmp_backup+x} ]; then
-    export TMPDIR=${tmp_backup}
-  else
-    unset TMPDIR
-  fi
-
-  # `nix-shell --pure` sets invalid ssl certificate paths
-  if [ "${SSL_CERT_FILE:-}" = /no-cert-file.crt ]; then
-    unset SSL_CERT_FILE
-  fi
-  if [ "${NIX_SSL_CERT_FILE:-}" = /no-cert-file.crt ]; then
-    unset NIX_SSL_CERT_FILE
-  fi
-
-  # This part is based on https://discourse.nixos.org/t/what-is-the-best-dev-workflow-around-nix-shell/418/4
-  if [ "$out" ] && (( $update_drv )); then
-    local drv_link=".direnv/drv"
-    local drv="$(nix show-derivation $out | grep -E -o -m1 '/nix/store/.*.drv')"
-    local stripped_pwd=${PWD/\//}
-    local escaped_pwd=${stripped_pwd//-/--}
-    local escaped_pwd=${escaped_pwd//\//-}
-    ln -fs "$drv" "$drv_link"
-    ln -fs "$PWD/$drv_link" "/nix/var/nix/gcroots/per-user/$LOGNAME/$escaped_pwd"
-    log_status renewed cache and derivation link
-  fi
-
-  if [[ $# = 0 ]]; then
-    watch_file default.nix
-    watch_file shell.nix
-  fi
-}

home/shell/default.nix

@@ -78,7 +78,7 @@ in
 
   programs.direnv = {
     enable = true;
-    stdlib = builtins.readFile ./.direnvrc;
+    enableNixDirenvIntegration = true;
   };
 
   home.file.".envrc".text = ''