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Allow devShell to be set to a package definition

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This commit is contained in:
Archit Gupta
2023-12-05 19:44:12 -08:00
parent b094ced95d
commit 8f3bfc39aa
3 changed files with 56 additions and 38 deletions
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81
builtinModules/devShells.nix
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@ -5,43 +5,51 @@
{ config, lib, flakelight, ... }:
let
inherit (lib) filterAttrs mapAttrs mkDefault mkIf mkMerge mkOption;
inherit (lib.types) functionTo lazyAttrsOf lines listOf nullOr package str
submodule;
inherit (lib.types) coercedTo functionTo lazyAttrsOf lines listOf nullOr
package str submodule;
inherit (flakelight) supportedSystem;
inherit (flakelight.types) optFunctionTo packageDef;
devShellModule.options = {
inputsFrom = mkOption {
type = functionTo (listOf package);
default = _: [ ];
};
packages = mkOption {
type = functionTo (listOf package);
default = _: [ ];
};
shellHook = mkOption {
type = optFunctionTo lines;
default = "";
};
env = mkOption {
type = optFunctionTo (lazyAttrsOf str);
default = { };
};
stdenv = mkOption {
type = functionTo package;
default = pkgs: pkgs.stdenv;
};
overrideShell = mkOption {
type = nullOr packageDef;
internal = true;
default = null;
};
};
in
{
options = {
devShell = mkOption {
default = null;
type = nullOr (submodule {
options = {
inputsFrom = mkOption {
type = functionTo (listOf package);
default = _: [ ];
};
packages = mkOption {
type = functionTo (listOf package);
default = _: [ ];
};
shellHook = mkOption {
type = optFunctionTo lines;
default = "";
};
env = mkOption {
type = optFunctionTo (lazyAttrsOf str);
default = { };
};
stdenv = mkOption {
type = functionTo package;
default = pkgs: pkgs.stdenv;
};
};
});
type = nullOr (coercedTo packageDef
(x: { overrideShell = x; })
(submodule devShellModule));
};
devShells = mkOption {
@ -53,12 +61,13 @@ in
config = mkMerge [
(mkIf (config.devShell != null) {
devShells.default = mkDefault ({ pkgs, mkShell }:
mkShell.override { stdenv = config.devShell.stdenv pkgs; }
((config.devShell.env pkgs) // {
inputsFrom = config.devShell.inputsFrom pkgs;
packages = config.devShell.packages pkgs;
shellHook = config.devShell.shellHook pkgs;
}));
let cfg = mapAttrs (_: v: v pkgs) config.devShell; in
mkShell.override { inherit (cfg) stdenv; }
(cfg.env // { inherit (cfg) inputsFrom packages shellHook; }));
})
(mkIf (config.devShell.overrideShell or null != null) {
devShells.default = config.devShell.overrideShell;
})
(mkIf (config.devShells != { }) {