From 8454a9e75362d7c5031b927a3ee641b721453f8f Mon Sep 17 00:00:00 2001
From: 3noch <eacameron@gmail.com>
Date: Sat, 4 Feb 2017 02:01:10 -0500
Subject: [PATCH] haskellPackages.callCabal2nix: provide fallback name if
 source is not package

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

diff --git a/pkgs/development/haskell-modules/default.nix b/pkgs/development/haskell-modules/default.nix
index cf30a7699ed6..31b20ab19f36 100644
--- a/pkgs/development/haskell-modules/default.nix
+++ b/pkgs/development/haskell-modules/default.nix
@@ -87,7 +87,7 @@ let
         # Creates a Haskell package from a source package by calling cabal2nix on the source.
         callCabal2nix = src: self.callPackage (haskellSrc2nix {
           inherit src;
-          name = src.name;
+          name = src.name or baseNameOf src;
         });
 
         ghcWithPackages = selectFrom: withPackages (selectFrom self);