nixos-configuration/pkgs/overlays/cosmic-packages.nix

50 lines
1.9 KiB
Nix

{ inputs ? import ../../inputs.nix {}}:
self: super:
let
nixos-cosmic = inputs.cosmic-modules;
cosmicPkgsMainDir = builtins.readDir "${nixos-cosmic}/pkgs";
cosmicPkgsDirs = builtins.filter (v: cosmicPkgsMainDir."${v}" == "directory") (builtins.attrNames cosmicPkgsMainDir);
# Pinned unstable nixpkgs from cosmic-modules
cosmicModulesLock = builtins.fromJSON (builtins.readFile "${nixos-cosmic}/flake.lock");
pinnedNixpkgsRev = cosmicModulesLock.nodes.nixpkgs.locked.rev;
pinnedNixpkgsNarHash = cosmicModulesLock.nodes.nixpkgs.locked.narHash;
futureNixpkgsSrc = builtins.fetchTarball {
name = "nixpkgs";
url = "https://github.com/NixOS/nixpkgs/archive/${pinnedNixpkgsRev}.tar.gz";
sha256 = pinnedNixpkgsNarHash;
};
# Take rustPackages from pinned nixpkgs
futureNixpkgs = import futureNixpkgsSrc {
localSystem = self.stdenv.buildPlatform;
config = self.config;
} // (if self.stdenv.buildPlatform == self.stdenv.hostPlatform then {} else {
crossSystem = self.stdenv.hostPlatform;
});
futureRustPackages = futureNixpkgs.rustPackages;
# Create nixpkgs with future rust
nixpkgsWithFutureRust = self.extend (futureSelf: futureSuper: {
rustPackages = futureRustPackages;
});
# Create cosmicPkgs that contains cosmic packages built from nixpkgs with future rust
cosmicOverlay = cosmicSelf: cosmicSuper: builtins.listToAttrs (
builtins.map (v: {name = v; value = nixpkgsWithFutureRust.callPackage "${nixos-cosmic}/pkgs/${v}/package.nix" {};}) cosmicPkgsDirs
);
cosmicNixpkgs = import inputs.nixpkgs {
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 = cosmicNixpkgs.${v};}) cosmicPkgsDirs
)