From 39609a0c9414b398330e42f872e7358e30e133dd Mon Sep 17 00:00:00 2001
From: Nikolay Amiantov <ab@fmap.me>
Date: Thu, 25 Feb 2016 13:53:03 +0300
Subject: [PATCH] stdenv: set SSL_CERT_FILE only if it isn't already

---
 pkgs/stdenv/generic/setup.sh | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/pkgs/stdenv/generic/setup.sh b/pkgs/stdenv/generic/setup.sh
index 8081b69bffd3..b49846fa050c 100644
--- a/pkgs/stdenv/generic/setup.sh
+++ b/pkgs/stdenv/generic/setup.sh
@@ -384,7 +384,9 @@ paxmark() { true; }
 
 # Prevent OpenSSL-based applications from using certificates in
 # /etc/ssl.
-export SSL_CERT_FILE=/no-cert-file.crt
+if [ -z "$SSL_CERT_FILE" ]; then
+  export SSL_CERT_FILE=/no-cert-file.crt
+fi
 
 
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