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flake.nix
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flake.nix
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{
inputs = {
flake-utils.url = "github:numtide/flake-utils";
haskellNix.url = "github:input-output-hk/haskell.nix";
nixpkgs.follows = "haskellNix/nixpkgs-unstable";
};
nixConfig = {
allow-import-from-derivation = "true";
extra-substituters = [
"https://cache.iog.io"
"https://cache.zw3rk.com"
];
extra-trusted-public-keys = [
"hydra.iohk.io:f/Ea+s+dFdN+3Y/G+FDgSq+a5NEWhJGzdjvKNGv0/EQ="
"loony-tools:pr9m4BkM/5/eSTZlkQyRt57Jz7OMBxNSUiMC4FkcNfk="
];
};
outputs = inputs@{ self, flake-utils, haskellNix, nixpkgs }:
# https://input-output-hk.github.io/haskell.nix/tutorials/getting-started-flakes.html
flake-utils.lib.eachDefaultSystem (system:
let
pkgs = import nixpkgs {
inherit system;
inherit (haskellNix) config;
overlays = [
haskellNix.overlay
(final: prev: {
hapistrano-ghc8107 = final.haskell-nix.cabalProject' {
src = final.haskell-nix.haskellLib.cleanGit {
name = "hapistrano";
src = ./.;
};
compiler-nix-name = "ghc8107";
};
hapistrano-ghc902 = final.haskell-nix.cabalProject' {
src = final.haskell-nix.haskellLib.cleanGit {
name = "hapistrano";
src = ./.;
};
compiler-nix-name = "ghc902";
};
})
];
};
flake-ghc8107 = pkgs.hapistrano-ghc8107.flake { };
flake-ghc902 = pkgs.hapistrano-ghc902.flake { };
in rec {
apps = {
test-ghc8107 = {
type = "app";
program = "${packages.test-ghc8107}/bin/test";
};
test-ghc902 = {
type = "app";
program = "${packages.test-ghc902}/bin/test";
};
};
packages = {
default = flake-ghc8107.packages."hapistrano:exe:hap";
test-ghc8107 = flake-ghc8107.packages."hapistrano:test:test".overrideAttrs (_: {
postFixup = ''
wrapProgram $out/bin/test \
--set PATH ${pkgs.lib.makeBinPath [
pkgs.bash
pkgs.coreutils
pkgs.findutils
pkgs.git
pkgs.zsh
]}
'';
});
test-ghc902 = flake-ghc902.packages."hapistrano:test:test".overrideAttrs (_: {
postFixup = ''
wrapProgram $out/bin/test \
--set PATH ${pkgs.lib.makeBinPath [
pkgs.bash
pkgs.coreutils
pkgs.findutils
pkgs.git
pkgs.zsh
]}
'';
});
};
devShells = {
default = devShells.ghc902;
ghc8107 = flake-ghc8107.devShells.default;
ghc902 = flake-ghc902.devShells.default;
};
});
}