diff options
| -rw-r--r-- | dot_config/nix/registry.json | 17 | ||||
| -rw-r--r-- | etc/nix/nix.conf | 12 |
2 files changed, 27 insertions, 2 deletions
diff --git a/dot_config/nix/registry.json b/dot_config/nix/registry.json new file mode 100644 index 0000000..387ea7a --- /dev/null +++ b/dot_config/nix/registry.json @@ -0,0 +1,17 @@ +{ + "version": 2, + "flakes": [ + { + "from": { + "type": "indirect", + "id": "nixpkgs" + }, + "to": { + "type": "github", + "owner": "NixOS", + "repo": "nixpkgs", + "ref": "nixos-unstable" + } + } + ] +} diff --git a/etc/nix/nix.conf b/etc/nix/nix.conf index 633422b..3325961 100644 --- a/etc/nix/nix.conf +++ b/etc/nix/nix.conf @@ -12,8 +12,10 @@ experimental-features = nix-command flakes # the daemon prompting. Safe on a single-user laptop. trusted-users = root @wheel -# Hard-link identical store paths to save disk after large builds. -auto-optimise-store = true +# Use every core for every build. Defaults are 1/1, which leaves most of +# the machine idle during big closures (LLVM, protobuf, …). +max-jobs = auto +cores = 0 # Keep build outputs and derivations alive even when only referenced # from GC roots like direnv envs. Without these, `nix store gc` would @@ -23,3 +25,9 @@ keep-derivations = true # Lift the default 64 MiB download buffer; reduces stalls on big closures. download-buffer-size = 524288000 + +# Community-built binary cache. Big hit-rate boost for nixos-unstable +# packages (which is what the registry pin below points at) and for +# anything pulled from nixpkgs that already has community CI coverage. +extra-substituters = https://nix-community.cachix.org +extra-trusted-public-keys = nix-community.cachix.org-1:mB9FSh9qf2dCimDSUo8Zy7bkq5CX+/rkCWyvRCYg3Fs= |