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forked from extern/flakelight
flakelight/builtinModules/devShells.nix
2023-08-26 22:48:57 -07:00

71 lines
1.9 KiB
Nix

# flakelight -- Framework for simplifying flake setup
# Copyright (C) 2023 Archit Gupta <archit@accelbread.com>
# SPDX-License-Identifier: MIT
{ config, lib, flakelight, ... }:
let
inherit (lib) any attrValues filterAttrs mapAttrs mkIf mkMerge mkOption
optionalAttrs;
inherit (lib.types) lazyAttrsOf functionTo lines listOf nullOr package str;
inherit (flakelight) supportedSystem;
inherit (flakelight.types) optFunctionTo packageDef;
in
{
options = {
devShell = {
inputsFrom = mkOption {
type = nullOr
(functionTo (listOf package));
default = null;
};
packages = mkOption {
type = nullOr
(functionTo (listOf package));
default = null;
};
shellHook = mkOption {
type = nullOr (optFunctionTo lines);
default = null;
};
env = mkOption {
type = nullOr
(optFunctionTo (lazyAttrsOf str));
default = null;
};
};
devShells = mkOption {
type = lazyAttrsOf packageDef;
default = { };
};
};
config = mkMerge [
(mkIf (any (x: x != null) (attrValues config.devShell)) {
devShells.default = { pkgs, mkShell }: mkShell (
optionalAttrs (config.devShell.env != null)
(config.devShell.env pkgs)
// optionalAttrs (config.devShell.inputsFrom != null) {
inputsFrom = config.devShell.inputsFrom pkgs;
}
// optionalAttrs (config.devShell.packages != null) {
packages = config.devShell.packages pkgs;
}
// optionalAttrs (config.devShell.shellHook != null) {
shellHook = config.devShell.shellHook pkgs;
}
);
})
(mkIf (config.devShells != { }) {
perSystem = pkgs: {
devShells = filterAttrs (_: supportedSystem pkgs)
(mapAttrs (_: v: pkgs.callPackage v { }) config.devShells);
};
})
];
}