urbit/nix/default.nix
2020-11-06 10:22:34 +01:00

57 lines
1.5 KiB
Nix

# The build system where packages will be _built_.
{ system ? builtins.currentSystem
# The host system where packages will _run_.
, crossSystem ? null
# Additional sources.json overrides.
, sources ? { }
# Additional nixpkgs.config overrides.
, config ? { }
# Additional nixpkgs.overlays.
, overlays ? [ ]
# Overlays to apply to the last package set in cross compilation.
, crossOverlays ? [ ] }:
let
sourcesFinal = import ./sources.nix { inherit pkgs; } // sources;
haskellNix = import sourcesFinal."haskell.nix" {
sourcesOverride = {
hackage = sourcesFinal."hackage.nix";
stackage = sourcesFinal."stackage.nix";
};
};
configFinal = haskellNix.config // config;
overlaysFinal = haskellNix.overlays ++ [
(_final: prev: {
# Add top-level .sources attribute for other overlays to access sources.
sources = sourcesFinal;
# Additional non-convential package/exe mappings for shellFor.tools.
haskell-nix = prev.haskell-nix // {
toolPackageName = prev.haskell-nix.toolPackageName // {
shellcheck = "ShellCheck";
};
};
})
# General unguarded (native) overrides for nixpkgs.
(import ./overlays/native.nix)
# Specific overrides guarded by the host platform.
(import ./overlays/musl.nix)
] ++ overlays;
pkgs = import sourcesFinal.nixpkgs {
inherit system crossSystem crossOverlays;
config = configFinal;
overlays = overlaysFinal;
};
in pkgs // {
pkgsStatic = pkgs.pkgsStatic.extend (import ./overlays/static.nix);
}