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Add a flake.nix file

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This commit is contained in:
Ivan Malison
2021-07-31 02:01:22 -06:00
committed by Tomas Janousek
parent 6f0b9e3142
commit 3e43315def
1 changed files with 29 additions and 0 deletions

29
flake.nix Normal file

@@ -0,0 +1,29 @@
# This file is maintained by @IvanMalison (github)
{
inputs = {
flake-utils.url = github:numtide/flake-utils;
git-ignore-nix.url = github:IvanMalison/gitignore.nix/master;
xmonad.url = github:xmonad/xmonad;
};
outputs = { self, flake-utils, nixpkgs, git-ignore-nix, xmonad }:
let
overlay = final: prev: {
haskellPackages = prev.haskellPackages.override (old: {
overrides = prev.lib.composeExtensions (old.overrides or (_: _: {}))
(hself: hsuper: {
xmonad-contrib =
hself.callCabal2nix "xmonad-contrib" (git-ignore-nix.gitIgnoreSource ./.) { };
});
});
};
overlays = xmonad.overlays ++ [ overlay ];
in flake-utils.lib.eachDefaultSystem (system:
let pkgs = import nixpkgs { inherit system overlays; };
in
rec {
devShell = pkgs.haskellPackages.shellFor {
packages = p: [ p.xmonad-contrib ];
};
defaultPackage = pkgs.haskellPackages.xmonad-contrib;
}) // { inherit overlay overlays; } ;
}