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flake.nix
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flake.nix
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{
nixConfig = {
extra-substituters = [
"https://cache.iog.io"
];
extra-trusted-public-keys = [
"hydra.iohk.io:f/Ea+s+dFdN+3Y/G+FDgSq+a5NEWhJGzdjvKNGv0/EQ="
];
allow-import-from-derivation = true;
};
inputs = {
haskellNix = {
url = "github:input-output-hk/haskell.nix";
inputs.nixpkgs.follows = "nixpkgs";
inputs.hackage.follows = "hackageNix";
};
hackageNix = {
url = "github:input-output-hk/hackage.nix";
flake = false;
};
nixpkgs.follows = "haskellNix/nixpkgs-unstable";
iohkNix.url = "github:input-output-hk/iohk-nix";
flake-utils.url = "github:hamishmack/flake-utils/hkm/nested-hydraJobs";
CHaP.url = "github:intersectmbo/cardano-haskell-packages?ref=repo";
CHaP.flake = false;
};
outputs = inputs:
let # all platforms on which we build
supportedSystems = [
"x86_64-linux"
"x86_64-darwin"
"aarch64-darwin"
];
in
inputs.flake-utils.lib.eachSystem supportedSystems (
system:
let
# setup our nixpkgs with the haskell.nix overlays, and the iohk-nix
# overlays...
pkgs = import inputs.nixpkgs {
inherit system;
inherit (inputs.haskellNix) config;
overlays = [
# haskellNix.overlay can be configured by later overlays, so need to come before them.
inputs.haskellNix.overlay
(import ./nix/ouroboros-network.nix inputs)
];
};
inherit (pkgs) lib;
flake = pkgs.ouroboros-network.flake {};
network-docs = pkgs.callPackage ./nix/network-docs.nix { };
check-stylish = pkgs.callPackage ./nix/check-stylish.nix { };
hydraJobs =
pkgs.callPackages inputs.iohkNix.utils.ciJobsAggregates
{
ciJobs =
flake.hydraJobs
// {
# This ensure hydra send a status for the required job (even if no change other than commit hash)
revision = pkgs.writeText "revision" (inputs.self.rev or "dirty");
inherit network-docs check-stylish;
};
}
# add network-docs & check-stylish to support
# `nix build .\#hydraJobs.x86_64-linux.network-docs` and
# `nix build .\#hydraJobs.x86_64-linux.check-stylis`.
// { inherit network-docs check-stylish; };
# also provide hydraJobs through legacyPackages to allow building without system prefix, e.g.
# `nix build .\#network-mux:lib:network-mux`
# `nix build .\#network-docs`
legacyPackages = { inherit hydraJobs network-docs check-stylish; };
in
lib.recursiveUpdate flake rec {
project = pkgs.ouroboros-network;
inherit hydraJobs;
inherit legacyPackages;
devShells = let
profillingShell = p: {
# `nix develop .#profiling`
profiling = (p.appendModule {modules = [{enableLibraryProfiling = true;}];}).shell;
};
in
profillingShell pkgs.ouroboros-network
# Additional shells for every GHC version supported by haskell.nix, eg. `nix develop .#ghc927`
// lib.mapAttrs (compiler-nix-name: _: let
p = pkgs.ouroboros-network.appendModule {inherit compiler-nix-name;};
in
p.shell // (profillingShell p))
pkgs.haskell-nix.compiler;
# formatter used by nix fmt
formatter = pkgs.alejandra;
}
);
}