2022-10-24 13:20:22 +00:00
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# speed up builds from e.g. moby or lappy by having them query desko and servo first.
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# if one of these hosts is offline, instead manually specify just cachix:
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# - `nixos-rebuild --option substituters https://cache.nixos.org/`
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#
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# future improvements:
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# - apply for community arm build box:
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# - <https://github.com/nix-community/aarch64-build-box>
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# - don't require all substituters to be online:
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# - <https://github.com/NixOS/nix/pull/7188>
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2022-06-28 10:44:10 +00:00
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{ lib, config, ... }:
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with lib;
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let
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2022-08-01 07:23:49 +00:00
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cfg = config.sane.nixcache;
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2022-06-28 10:44:10 +00:00
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in
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{
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options = {
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2022-08-01 07:23:49 +00:00
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sane.nixcache.enable = mkOption {
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2022-06-28 10:44:10 +00:00
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default = false;
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type = types.bool;
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};
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};
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2022-11-06 03:13:17 +00:00
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config = {
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2022-06-28 10:44:10 +00:00
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# use our own binary cache
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2022-11-06 11:47:10 +00:00
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# to explicitly build from a specific cache (in case others are down):
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# - `nixos-rebuild ... --option substituters https://cache.nixos.org`
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# - `nix build ... --substituters http://desko:5000`
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2022-11-06 03:13:17 +00:00
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nix.settings.substituters = mkIf cfg.enable [
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"https://nixcache.uninsane.org"
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"http://desko:5000"
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"https://nix-community.cachix.org"
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"https://cache.nixos.org/"
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];
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# always trust our keys (so one can explicitly use a substituter even if it's not the default
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nix.settings.trusted-public-keys = [
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"nixcache.uninsane.org:r3WILM6+QrkmsLgqVQcEdibFD7Q/4gyzD9dGT33GP70="
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"desko:Q7mjjqoBMgNQ5P0e63sLur65A+D4f3Sv4QiycDIKxiI="
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"nix-community.cachix.org-1:mB9FSh9qf2dCimDSUo8Zy7bkq5CX+/rkCWyvRCYg3Fs="
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];
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2022-06-28 10:44:10 +00:00
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};
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}
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