Initial commit of hydra forks

roles/hydra-dev.nix

@@ -0,0 +1,20 @@
+{ pkgs }:
+
+let
+  hydraSrc = pkgs.fetchFromGitHub {
+    owner = "nixos";
+    repo = "hydra";
+    rev = "906d2493c5c74673ba317d0b5ce7d97b062bd39b";
+    sha256 = "0i7szp04c873gfmj1h0dcl5rsbzzldc160pcls8z9v6iphils34i";
+  };
+in
+  pkgs.callPackage ./hydra-fork.nix {
+      nixpkgsPath = pkgs.path;
+      #patches = [
+      #  (pkgs.fetchpatch {
+      #    url = "https://github.com/NixOS/hydra/pull/648/commits/4171ab4c4fd576c516dc03ba64d1c7945f769af0.patch";
+      #    sha256 = "1fxa2459kdws6qc419dv4084c1ssmys7kqg4ic7n643kybamsgrx";
+      #  })
+      #];
+      src = hydraSrc;
+    }

roles/hydra-fork.nix

@@ -0,0 +1,14 @@
+{ fetchFromGitHub, nixpkgsPath, src }:
+
+let
+  hydraRelease = (import (src + "/release.nix") {
+    nixpkgs = nixpkgsPath;
+    hydraSrc = {
+      outPath = src;
+      rev = builtins.substring 0 6 src.rev;
+      revCount = 1234;
+    };
+  });
+
+in
+  hydraRelease.build.x86_64-linux.overrideAttrs (drv: { })