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