1 files changed, 31 insertions, 65 deletions
diff --git a/krebs/5pkgs/default.nix b/krebs/5pkgs/default.nix
index c4b1dafe4..1cf3de56e 100644
--- a/krebs/5pkgs/default.nix
+++ b/krebs/5pkgs/default.nix
@@ -1,67 +1,33 @@
-{ lib, pkgs, ... }:
-
+{ lib, pkgs, ... }@args:
 with lib;
-let
-  subdirs = mapAttrs (_: flip pkgs.callPackage {}) (subdirsOf ./.);
-  pkgs' = pkgs // subdirs;
-in
-
-subdirs // rec {
-
-  haskellPackages = pkgs.haskellPackages.override {
-    overrides = self: super:
-      mapAttrs (name: path: self.callPackage path {})
-        (mapAttrs'
-          (name: type:
-            if hasSuffix ".nix" name
-              then {
-                name = removeSuffix ".nix" name;
-                value = ./haskell-overrides + "/${name}";
-              }
-              else null)
-          (builtins.readDir ./haskell-overrides));
-  };
-
-  push = pkgs'.callPackage ./push {
-    inherit (subdirs) get jq;
-  };
-
-  ReaktorPlugins = pkgs.callPackage ./Reaktor/plugins.nix {};
-
-  execve = name: { filename, argv, envp ? {}, destination ? "" }:
-    writeC name { inherit destination; } ''
-      #include <unistd.h>
-      int main () {
-        const char *filename = ${toC filename};
-        char *const argv[] = ${toC (argv ++ [null])};
-        char *const envp[] = ${toC (
-          mapAttrsToList (k: v: "${k}=${v}") envp ++ [null]
-        )};
-        execve(filename, argv, envp);
-        return -1;
-      }
-    '';
-
-  test = {
-    infest-cac-centos7 = pkgs.callPackage ./test/infest-cac-centos7 {};
-  };
-
-  execveBin = name: cfg: execve name (cfg // { destination = "/bin/${name}"; });
-
-  writeC = name: { destination ? "" }: src: pkgs.runCommand name {} ''
-    PATH=${makeSearchPath "bin" (with pkgs; [
-      binutils
-      coreutils
-      gcc
-    ])}
-    src=${pkgs.writeText "${name}.c" src}
-    exe=$out${destination}
-    mkdir -p "$(dirname "$exe")"
-    gcc -O -Wall -o "$exe" $src
-    strip --strip-unneeded "$exe"
-  '';
-
-  writeNixFromCabal = name: path: pkgs.runCommand name {} ''
-    ${pkgs.cabal2nix}/bin/cabal2nix ${path} > $out
-  '';
+{
+  nixpkgs.config.packageOverrides = pkgs: {
+    haskellPackages = pkgs.haskellPackages.override {
+      overrides = self: super:
+        mapAttrs (name: path: self.callPackage path {})
+          (mapAttrs'
+            (name: type:
+              if hasSuffix ".nix" name
+                then {
+                  name = removeSuffix ".nix" name;
+                  value = ./haskell-overrides + "/${name}";
+                }
+                else null)
+            (builtins.readDir ./haskell-overrides));
+    };
+
+    push = pkgs.callPackage ./push {
+      inherit (subdirs) get jq;
+    };
+
+    ReaktorPlugins = pkgs.callPackage ./Reaktor/plugins.nix {};
+
+    test = {
+      infest-cac-centos7 = pkgs.callPackage ./test/infest-cac-centos7 {};
+    };
+  }
+  // import ./builders.nix args
+  // mapAttrs (_: flip pkgs.callPackage {})
+              (filterAttrs (_: dir.has-default-nix)
+                           (subdirsOf ./.));
 }