From dae61508df19bdba3a65658ea83c52eff3b4895e Mon Sep 17 00:00:00 2001
From: Wroclaw <wroclaw223@outlook.com>
Date: Thu, 8 Aug 2024 06:06:41 +0200
Subject: [PATCH] pkgs/overlays/cosmic: create

---
 pkgs/overlays/cosmic-packages.nix | 33 +++++++++++++++++++++++++++++++
 1 file changed, 33 insertions(+)
 create mode 100644 pkgs/overlays/cosmic-packages.nix

diff --git a/pkgs/overlays/cosmic-packages.nix b/pkgs/overlays/cosmic-packages.nix
new file mode 100644
index 0000000..12d07d1
--- /dev/null
+++ b/pkgs/overlays/cosmic-packages.nix
@@ -0,0 +1,33 @@
+{ inputs ? import ../../inputs.nix {}}:
+
+let
+  nixos-cosmic = inputs.cosmic-modules;
+  cosmicPkgsMainDir = builtins.readDir "${nixos-cosmic}/pkgs";
+  cosmicPkgsDirs = builtins.filter (v: cosmicPkgsMainDir."${v}" == "directory") (builtins.attrNames cosmicPkgsMainDir);
+
+  # FIXME: use unstable nixpkgs when rust 1.80 will be available in unstable
+  stagingNixpkgsSrc = builtins.fetchTarball {
+    name = "nixpkgs";
+    url = "https://github.com/NixOS/nixpkgs/archive/b79cec4237cd0f655562890bf927466c68b48d68.tar.gz";
+    sha256 = "1mswisq9iwffg2d6rfxvr27mvi4w853d9rn222s2g76445d0iqh8";
+  };
+  cosmicOverlay = self: super: builtins.listToAttrs (
+    builtins.map (v: {name = v; value = self.callPackage "${nixos-cosmic}/pkgs/${v}/package.nix" {};}) cosmicPkgsDirs
+  );
+in
+
+self: super:
+
+let
+stagingNixpkgs = import stagingNixpkgsSrc {
+    localSystem = self.stdenv.buildPlatform;
+    config = self.config;
+    overlays = [ cosmicOverlay ];
+  } // (if self.stdenv.buildPlatform == self.stdenv.hostPlatform then {} else {
+    crossSystem = self.stdenv.hostPlatform;
+  });
+in
+
+builtins.listToAttrs (
+  builtins.map (v: {name = v; value = stagingNixpkgs.${v};}) cosmicPkgsDirs
+)