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Memoize perSystem in allSystems, require devShell

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This commit is contained in:
Robert Hensing 2021-11-22 22:01:38 +01:00
parent d5703798a8
commit 1b82c7f771
6 changed files with 20 additions and 18 deletions
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13
modules/devShell.nix
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@ -2,7 +2,6 @@
let
inherit (lib)
filterAttrs
genAttrs
mapAttrs
mkOption
optionalAttrs
@ -25,13 +24,7 @@ in
};
};
config = {
flake.devShell =
mapAttrs
(k: v: v.devShell)
(filterAttrs
(k: v: v.devShell != null)
(genAttrs config.systems config.perSystem)
);
flake.devShell = mapAttrs (k: v: v.devShell) config.allSystems;
perInput = system: flake:
optionalAttrs (flake?devShell.${system}) {
@ -42,8 +35,8 @@ in
_file = ./devShell.nix;
options = {
devShell = mkOption {
type = types.nullOr types.package;
default = null;
type = types.package;
default = throw "The default devShell was not configured for system ${system}. Please set it, or if you don't want to use the devShell attribute, set flake.devShell = lib.mkForce {};";
description = ''
A derivation that nix develop bases its environment on.
'';