From e7fce0da51f9f3b4d311efd99061af7e49982edc Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=B6rg=20Thalheim?= <joerg@thalheim.io>
Date: Wed, 1 Apr 2020 14:48:31 +0100
Subject: [PATCH] shellcheck fixes

---
 direnvrc | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/direnvrc b/direnvrc
index cc1068a..c015557 100644
--- a/direnvrc
+++ b/direnvrc
@@ -43,7 +43,7 @@ use_nix() {
     log_status using cached derivation
   fi
   local term_backup=$TERM path_backup=$PATH
-  if [[ ! -z ${TMPDIR+x} ]]; then
+  if [[ -n ${TMPDIR+x} ]]; then
     local tmp_backup=$TMPDIR
   fi
 
@@ -54,7 +54,7 @@ use_nix() {
   read -r cache_content < "$cache"
   eval "$cache_content"
   export PATH=$PATH:$path_backup TERM=$term_backup 
-  if [[ ! -z ${tmp_backup+x} ]]; then
+  if [[ -n ${tmp_backup+x} ]]; then
     export TMPDIR=${tmp_backup}
   else
     unset TMPDIR
@@ -62,14 +62,14 @@ use_nix() {
 
   # `nix-shell --pure` sets invalid ssl certificate paths
   if [[ "${SSL_CERT_FILE:-}" = /no-cert-file.crt ]]; then
-    if [[ ! -z ${impure_ssl_cert_file+x} ]]; then
+    if [[ -n ${impure_ssl_cert_file+x} ]]; then
       export SSL_CERT_FILE=${impure_ssl_cert_file}
     else
       unset SSL_CERT_FILE
     fi
   fi
   if [[ "${NIX_SSL_CERT_FILE:-}" = /no-cert-file.crt ]]; then
-    if [[ ! -z ${impure_nix_ssl_cert_file+x} ]]; then
+    if [[ -n ${impure_nix_ssl_cert_file+x} ]]; then
       export NIX_SSL_CERT_FILE=${impure_nix_ssl_cert_file}
     else
       unset NIX_SSL_CERT_FILE