From 8cc2d64444b0946abb0009058865cd46165b69c4 Mon Sep 17 00:00:00 2001
From: Eelco Dolstra <edolstra@gmail.com>
Date: Thu, 19 Sep 2019 00:06:50 +0200
Subject: flake.nix: Provide a Nixpkgs overlay

Also update the lock file.
---
 flake.lock |  7 ++++---
 flake.nix  | 14 +++++++++++++-
 2 files changed, 17 insertions(+), 4 deletions(-)

diff --git a/flake.lock b/flake.lock
index fa5649c..70a433b 100644
--- a/flake.lock
+++ b/flake.lock
@@ -2,9 +2,10 @@
     "inputs": {
         "nixpkgs": {
             "inputs": {},
-            "narHash": "sha256-TrLhI3xPkTTznE9gcMHhkHirGNN7N02zM4DxJ/U3WRs=",
-            "uri": "github:edolstra/nixpkgs/24bf27fc215e8300877dfa1c426b9966bbfbd150"
+            "narHash": "sha256-HGlE2VNbdEjCP76hWAS72kHBlMWhpvqWo58Obg1Vy6s=",
+            "originalUri": "nixpkgs",
+            "uri": "github:edolstra/nixpkgs/13e1bce51f4aebdf3db58ce8c4a93e904a272bff"
         }
     },
-    "version": 2
+    "version": 3
 }
diff --git a/flake.nix b/flake.nix
index 8d570bf..e69412a 100644
--- a/flake.nix
+++ b/flake.nix
@@ -5,6 +5,15 @@
 
   outputs = { self, nixpkgs }: rec {
 
+    overlay = final: prev: {
+
+      patchelf-new = final.stdenv.mkDerivation {
+        name = "patchelf-${hydraJobs.tarball.version}";
+        src = "${hydraJobs.tarball}/tarballs/*.tar.bz2";
+      };
+
+    };
+
     hydraJobs = import ./release.nix {
       patchelfSrc = self;
       nixpkgs = nixpkgs;
@@ -12,7 +21,10 @@
 
     checks.build = hydraJobs.build.x86_64-linux;
 
-    packages.patchelf = hydraJobs.build.x86_64-linux;
+    packages.patchelf = (import nixpkgs {
+      system = "x86_64-linux";
+      overlays = [ self.overlay ];
+    }).patchelf-new;
 
     defaultPackage = packages.patchelf;
 
-- 
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