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Disable nix tooling #930

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Disable nix tooling #930

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65 changes: 39 additions & 26 deletions modules/common/development/nix.nix
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Original file line number Diff line number Diff line change
Expand Up @@ -7,6 +7,7 @@ let
mkEnableOption
mkOption
mkIf
mkMerge
types
;
in
Expand All @@ -18,37 +19,49 @@ in
default = null;
description = "Path to the nixpkgs repository";
};
automatic-gc = {
enable = mkEnableOption "Enable automatic garbage collection";
};
};

config = mkIf cfg.enable {
nix = {
settings = {
experimental-features = [
"nix-command"
"flakes"
];
keep-outputs = true;
keep-derivations = true;
};
config = mkMerge [
(mkIf cfg.enable {
nix = {
settings = {
experimental-features = [
"nix-command"
"flakes"
];
keep-outputs = true;
keep-derivations = true;
};

# avoid scenario where the host rootfs gets filled
# with nixos-rebuild ... switch generated excess
# generations and becomes unbootable
gc = {
automatic = true;
dates = "daily";
options = "--delete-older-than 3d";
};
# avoid scenario where the host rootfs gets filled
# with nixos-rebuild ... switch generated excess
# generations and becomes unbootable
gc = mkIf cfg.automatic-gc.enable {
automatic = true;
dates = "daily";
options = "--delete-older-than 3d";
};

# Set the path and registry so that e.g. nix-shell and repl work
nixPath = lib.mkIf (cfg.nixpkgs != null) [ "nixpkgs=${cfg.nixpkgs}" ];
# Set the path and registry so that e.g. nix-shell and repl work
nixPath = mkIf (cfg.nixpkgs != null) [ "nixpkgs=${cfg.nixpkgs}" ];

registry = lib.mkIf (cfg.nixpkgs != null) {
nixpkgs.to = {
type = "path";
path = cfg.nixpkgs;
registry = mkIf (cfg.nixpkgs != null) {
nixpkgs.to = {
type = "path";
path = cfg.nixpkgs;
};
};
};
};
};
})

(mkIf (!cfg.enable) {
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Maybe better to avoid using mkForce, set these options above? So nix.enable = cfg.enable

nix = {
enable = lib.mkForce false;
gc.automatic = lib.mkForce false;
};
})
];
}
1 change: 1 addition & 0 deletions modules/microvm/virtualization/microvm/microvm-host.nix
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Original file line number Diff line number Diff line change
Expand Up @@ -73,6 +73,7 @@ in
withHardenedConfigs = true;
};
ghaf.givc.host.enable = true;
ghaf.development.nix-setup.automatic-gc.enable = config.ghaf.development.nix-setup.enable;
services.logind.lidSwitch = "ignore";

# TODO: remove hardcoded paths
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