From d9ae5315b34db0965dd64009c4e512c53ce7c177 Mon Sep 17 00:00:00 2001
From: Farid Zakaria <farid.m.zakaria@gmail.com>
Date: Sat, 18 Jul 2020 01:45:18 -0700
Subject: [PATCH] Mark NIX_SHEL as impure (#29)
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Co-authored-by: Jörg Thalheim <Mic92@users.noreply.github.com>
---
 .gitignore | 1 +
 direnvrc   | 4 ++++
 2 files changed, 5 insertions(+)
 create mode 100644 .gitignore

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..9b42106
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+.direnv/
diff --git a/direnvrc b/direnvrc
index fc7849a..527c0dc 100644
--- a/direnvrc
+++ b/direnvrc
@@ -60,6 +60,10 @@ use_nix() {
     unset TMPDIR
   fi
 
+  # `nix-shell --pure` sets IN_NIX_SHELL to pure which is
+  # misleading since we are in an impure shell now
+  export IN_NIX_SHELL=impure
+
   # `nix-shell --pure` sets invalid ssl certificate paths
   if [[ "${SSL_CERT_FILE:-}" = /no-cert-file.crt ]]; then
     if [[ ${impure_ssl_cert_file} == __UNSET__ ]]; then