From cedbdc934de08dbc85177f49052ab52bc8a9c177 Mon Sep 17 00:00:00 2001
From: Florian Klink <flokli@flokli.de>
Date: Wed, 27 Nov 2019 21:21:24 +0100
Subject: [PATCH] buildUBoot: allow passing custom src

We allowed passing another version, but that wasn't too useful, given we
hardcoded the hash of the fetchurl.
---
 pkgs/misc/uboot/default.nix | 35 +++++++++++++++++++----------------
 1 file changed, 19 insertions(+), 16 deletions(-)

diff --git a/pkgs/misc/uboot/default.nix b/pkgs/misc/uboot/default.nix
index f7663c8e4470..0c30e76b3fa9 100644
--- a/pkgs/misc/uboot/default.nix
+++ b/pkgs/misc/uboot/default.nix
@@ -4,24 +4,27 @@
 }:
 
 let
-  buildUBoot = { version ? "2019.10"
-            , filesToInstall
-            , installDir ? "$out"
-            , defconfig
-            , extraConfig ? ""
-            , extraPatches ? []
-            , extraMakeFlags ? []
-            , extraMeta ? {}
-            , ... } @ args:
-           stdenv.mkDerivation ({
-
+  defaultVersion = "2019.10";
+  defaultSrc = fetchurl {
+    url = "ftp://ftp.denx.de/pub/u-boot/u-boot-${defaultVersion}.tar.bz2";
+    sha256 = "053hcrwwlacqh2niisn0zas95zkbffw5aw5sdhixs8lmfdq60vcd";
+  };
+  buildUBoot = {
+    version ? null
+  , src ? null
+  , filesToInstall
+  , installDir ? "$out"
+  , defconfig
+  , extraConfig ? ""
+  , extraPatches ? []
+  , extraMakeFlags ? []
+  , extraMeta ? {}
+  , ... } @ args: stdenv.mkDerivation ({
     pname = "uboot-${defconfig}";
-    inherit version;
 
-    src = fetchurl {
-      url = "ftp://ftp.denx.de/pub/u-boot/u-boot-${version}.tar.bz2";
-      sha256 = "053hcrwwlacqh2niisn0zas95zkbffw5aw5sdhixs8lmfdq60vcd";
-    };
+    version = if src == null then defaultVersion else version;
+
+    src = if src == null then defaultSrc else src;
 
     patches = [
       (fetchpatch {