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nixConfig: setup the nix configuration

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Users may not have setup their nix correctly. This ensures they have the
proper features and caches setup when they use this repo.

We currently have not entire clarity wether all `nixConig` flake options
work. At some point in time `nix` support was limited.

Therefore, we implement an NIX_CONFIG fallback (at least) in the devshell

supersedes #69
This commit is contained in:
David Arnold 2021-07-16 14:54:47 -05:00 committed by Parthiv Seetharaman
parent 4a4a6ee1c1
commit 5eb849f0f6
2 changed files with 14 additions and 0 deletions
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4
flake.nix
View File

@ -1,6 +1,10 @@
{
description = "DevOS environment configuriguration library.";
nixConfig.extra-experimental-features = "nix-command flakes ca-references";
nixConfig.extra-substituters = "https://nrdxp.cachix.org https://nix-community.cachix.org";
nixConfig.extra-trusted-public-keys = "nrdxp.cachix.org-1:Fc5PSqY2Jm1TrWfm88l6cvGWwz3s93c6IOifQWnhNW4= nix-community.cachix.org-1:mB9FSh9qf2dCimDSUo8Zy7bkq5CX+/rkCWyvRCYg3Fs=";
inputs =
{
nixpkgs.url = "github:nixos/nixpkgs/release-21.05";

10
shell.nix
View File

@ -71,6 +71,16 @@ devshell.mkShell {
nixUnstable
];
env = [
{
name = "NIX_CONFIG";
value =
''extra-experimental-features = nix-command flakes ca-references
extra-substituters = https://nrdxp.cachix.org https://nix-community.cachix.org
extra-trusted-public-keys = nrdxp.cachix.org-1:Fc5PSqY2Jm1TrWfm88l6cvGWwz3s93c6IOifQWnhNW4= nix-community.cachix.org-1:mB9FSh9qf2dCimDSUo8Zy7bkq5CX+/rkCWyvRCYg3Fs='';
}
];
# tempfix: remove when merged https://github.com/numtide/devshell/pull/123
devshell.startup.load_profiles = pkgs.lib.mkForce (pkgs.lib.noDepEntry ''
# PATH is devshell's exorbitant privilige: