From 2e5c9ba7270347efdf9627b41b1111cd5e51522c Mon Sep 17 00:00:00 2001
From: Kosyrev Serge <_deepfire@feelingofgreen.ru>
Date: Thu, 24 Jan 2019 16:29:04 +0300
Subject: [PATCH] haskell generic-builder.nix:  adapt to package config files
 having more spaces

---
 pkgs/development/haskell-modules/generic-builder.nix | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pkgs/development/haskell-modules/generic-builder.nix b/pkgs/development/haskell-modules/generic-builder.nix
index 77bde5c85b7..2a71e7e92d1 100644
--- a/pkgs/development/haskell-modules/generic-builder.nix
+++ b/pkgs/development/haskell-modules/generic-builder.nix
@@ -391,7 +391,7 @@ stdenv.mkDerivation ({
         rmdir "$packageConfFile"
       fi
       for packageConfFile in "$packageConfDir/"*; do
-        local pkgId=$( ${gnused}/bin/sed -n -e 's|^id: ||p' $packageConfFile )
+        local pkgId=$( ${gnused}/bin/sed -n -e 's|^id:[ ]\+||p' $packageConfFile )
         mv $packageConfFile $packageConfDir/$pkgId.conf
       done