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flake.nix
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flake.nix
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{
inputs = {
nixpkgs.url = "github:NixOS/nixpkgs/nixpkgs-unstable";
flake-utils.url = "github:numtide/flake-utils";
gomod2nix = {
url = "github:nix-community/gomod2nix";
inputs.nixpkgs.follows = "nixpkgs";
inputs.flake-utils.follows = "flake-utils";
};
};
outputs = { self, nixpkgs, flake-utils, ... }@inputs:
{
overlays.default = self: super: rec {
simd = self.callPackage ./simapp { rev = self.shortRev or "dev"; };
go = simd.go; # to build the tools (e.g. gomod2nix) using the same go version
rocksdb = super.rocksdb.overrideAttrs (_: rec {
version = "8.11.3";
src = self.fetchFromGitHub {
owner = "facebook";
repo = "rocksdb";
rev = "v${version}";
sha256 = "sha256-OpEiMwGxZuxb9o3RQuSrwZMQGLhe9xLT1aa3HpI4KPs=";
};
});
};
} //
(flake-utils.lib.eachDefaultSystem
(system:
let
mkApp = drv: {
type = "app";
program = "${drv}/bin/${drv.meta.mainProgram}";
};
pkgs = import nixpkgs {
inherit system;
config = { };
overlays = [
inputs.gomod2nix.overlays.default
self.overlays.default
];
};
in
rec {
packages = rec {
default = simd;
inherit (pkgs) simd;
};
apps = rec {
default = simd;
simd = mkApp pkgs.simd;
};
devShells = rec {
default = with pkgs; mkShell {
buildInputs = [
simd.go
rocksdb
gomod2nix
];
};
};
legacyPackages = pkgs;
}
));
}