From 6513755670892983db88a6633b8c1ea6019c03d1 Mon Sep 17 00:00:00 2001
From: Ben Sima <ben@bsima.me>
Date: Fri, 15 Nov 2024 14:55:37 -0500
Subject: Re-namespace some stuff to Omni

I was getting confused about what is a product and what is internal
infrastructure; I think it is good to keep those things separate. So I moved a
bunch of stuff to an Omni namespace, actually most stuff went there. Only things
that are explicitly external products are still in the Biz namespace.
---
 Omni/Bild/Nixpkgs.nix | 43 +++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 43 insertions(+)
 create mode 100644 Omni/Bild/Nixpkgs.nix

(limited to 'Omni/Bild/Nixpkgs.nix')

diff --git a/Omni/Bild/Nixpkgs.nix b/Omni/Bild/Nixpkgs.nix
new file mode 100644
index 0000000..212e3f1
--- /dev/null
+++ b/Omni/Bild/Nixpkgs.nix
@@ -0,0 +1,43 @@
+let
+  sources = import ./Sources.nix { sourcesFile = ./Sources.json; };
+
+  config = {
+    allowAliases = true;
+    allowBroken = true;
+    allowUnfree = true;
+    checkMeta = true;
+    cudaSupport = true;
+  };
+
+  system = __currentSystem;
+
+  # override pinned deps with our sources, this must come before other
+  # package overlays, because of the 'null' from 'overrideSource'
+  depsOverlay = _: pkgs: pkgs.overridePinnedDeps pkgs.overrideSource;
+
+  overlays = [
+    (_: _: { inherit sources; })
+    (import ./CcacheWrapper.nix)
+    (import ./Functions.nix)
+    depsOverlay
+    (import ./Deps.nix)
+    (import ./Python.nix)
+    (import ./Haskell.nix)
+  ];
+
+  nixos-unstable-small =
+    import sources.nixos-unstable-small { inherit system config overlays; };
+
+in {
+  nixos-24_05 = import sources.nixos-24_05 {
+    inherit system config;
+    overlays = overlays ++ [
+      (_: _: {
+        # backport newer packages from unstable
+        unstable = nixos-unstable-small.pkgs;
+      })
+    ];
+  };
+
+  inherit nixos-unstable-small;
+}
-- 
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