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{
inputs = {
nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
opam-repository = {
url = "github:ocaml/opam-repository";
flake = false;
};
opam-nix = {
url = "github:tweag/opam-nix";
inputs = {
nixpkgs.follows = "nixpkgs";
opam-repository.follows = "opam-repository";
};
};
flake-utils.url = "github:numtide/flake-utils";
};
outputs = { flake-utils, opam-nix, nixpkgs, ... }:
flake-utils.lib.eachDefaultSystem (system:
let
pkgs = nixpkgs.legacyPackages.${system};
on = opam-nix.lib.${system};
localPackagesQuery = builtins.mapAttrs (_: pkgs.lib.last)
(on.listRepo (on.makeOpamRepo ./.));
devPackagesQuery = {
ocaml-lsp-server = "*";
ocp-indent = "*";
};
query = devPackagesQuery // {
ocaml-base-compiler = "*";
};
scope = on.buildDuneProject { } "toytt" ./. query;
devPackages = builtins.attrValues
(pkgs.lib.getAttrs (builtins.attrNames devPackagesQuery) scope);
packages =
pkgs.lib.getAttrs (builtins.attrNames localPackagesQuery) scope;
in
{
legacyPackages = scope;
packages = packages // { default = packages.toytt; };
devShells.default = pkgs.mkShell {
inputsFrom = builtins.attrValues packages;
buildInputs = devPackages ++ [
# Add additional packages from nixpkgs here
];
};
});
}
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