From 15e5ac80393f3b0a1be264e8cdaa8f048375b27d Mon Sep 17 00:00:00 2001
From: Eelco Dolstra <eelco.dolstra@logicblox.com>
Date: Fri, 19 Jul 2013 14:32:05 +0200
Subject: [PATCH] nix-shell: Set $IN_NIX_SHELL
This allows scripts to distinguish between a real build and a Nix
shell.
---
scripts/nix-build.in | 2 ++
1 file changed, 2 insertions(+)
diff --git a/scripts/nix-build.in b/scripts/nix-build.in
index 404133ed8..b3a0f400f 100755
--- a/scripts/nix-build.in
+++ b/scripts/nix-build.in
@@ -188,6 +188,8 @@ foreach my $expr (@exprs) {
$ENV{'NIX_STORE'} = $Nix::Config::storeDir;
$ENV{$_} = $drv->{env}->{$_} foreach keys %{$drv->{env}};
+ $ENV{'IN_NIX_SHELL'} = 1;
+
# Run a shell using the derivation's environment. For
# convenience, source $stdenv/setup to setup additional
# environment variables and shell functions. Also don't lose
--
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