catala/flake.nix

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{
inputs = {
opam-repository = {
url = "github:ocaml/opam-repository";
flake = false;
};
opam-nix.url = "github:tweag/opam-nix";
opam-nix.inputs.opam-repository.follows = "opam-repository";
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flake-utils.url = "github:numtide/flake-utils";
nixpkgs.follows = "opam-nix/nixpkgs";
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};
outputs = { self, flake-utils, opam-nix, nixpkgs, ... }@inputs:
flake-utils.lib.eachDefaultSystem (system:
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let
pkgs = nixpkgs.legacyPackages.${system};
on = opam-nix.lib.${system};
localPackagesQuery = builtins.mapAttrs (_: pkgs.lib.last)
(on.listRepo (on.makeOpamRepo ./.));
devPackagesQuery = {
# You can add "development" packages here. They will get added to the devShell automatically.
ocaml-lsp-server = "*";
ocamlformat = "*";
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merlin = "*";
ocp-indent = "*";
utop = "*";
odoc = "*";
};
query = devPackagesQuery // {
## You can force versions of certain packages here, e.g:
## - force the ocaml compiler to be taken from opam-repository:
# ocaml-base-compiler = "*";
## - or force the compiler to be taken from nixpkgs and be a certain version:
# ocaml-system = "4.14.0";
## - or force ocamlfind to be a certain version:
# ocamlfind = "1.9.2";
};
scope = on.buildOpamProject' { } ./. query;
overlay = final: prev:
{
conf-ninja = prev.conf-ninja.overrideAttrs (old: {
nativeBuildInputs = old.nativeBuildInputs ++ [ pkgs.ninja ];
});
# You can add overrides here
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};
scope' = scope.overrideScope' overlay;
# Packages from devPackagesQuery
devPackages = builtins.attrValues
(pkgs.lib.getAttrs (builtins.attrNames devPackagesQuery) scope');
# Packages in this workspace
packages =
pkgs.lib.getAttrs (builtins.attrNames localPackagesQuery) scope';
in {
legacyPackages = scope';
#inherit packages;
## If you want to have a "default" package which will be built with just `nix build`, do this instead of `inherit packages;`:
packages = packages // { default = packages.catala; };
devShells.default = pkgs.mkShell {
inputsFrom = builtins.attrValues packages;
buildInputs = devPackages ++ [
# You can add packages from nixpkgs here
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pkgs.inotify-tools
pkgs.groff
pkgs.obelisk
pkgs.ninja
pkgs.colordiff
pkgs.pandoc
pkgs.python3.pkgs.pygments
pkgs.nodejs
pkgs.nodePackages.npm
];
};
});
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}