57 lines
1.8 KiB
Nix
57 lines
1.8 KiB
Nix
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# This file imports the pinned nixpkgs sets and applies relevant
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# modifications, such as our overlays.
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#
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# Note that the attribute exposed by this (third_party.nixpkgs) is
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# "special" in that the fixpoint used as readTree's config parameter
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# in //default.nix passes this attribute as the `pkgs` argument to all
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# readTree derivations.
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{ depot, ... }:
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let
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# This provides the sources of nixpkgs. We track both
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# nixos-unstable, and the current stable channel of the latest NixOS
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# release.
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# Tracking nixos-unstable as of 2021-03-25.
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unstableHashes = {
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commit = "60dd94fb7e01a8288f6638eee71d7cb354c49327";
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sha256 = "0skdwk9bdld295kzrymirs8xrzycqmhsclaz8s18jhcz75hb8sk3";
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};
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# Tracking nixos-20.09 as of 2021-03-25.
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stableHashes = {
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commit = "223d0d733a66b46504ea6b4c15f88b7cc4db58fb";
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sha256 = "073327ris0frqa3kpid3nsjr9w8yx2z83xpsc24w898mrs9r7d5v";
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};
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nixpkgsSrc = fetchTarball {
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url = "https://github.com/NixOS/nixpkgs/archive/${unstableHashes.commit}.tar.gz";
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sha256 = unstableHashes.sha256;
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};
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stableNixpkgsSrc = fetchTarball {
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url = "https://github.com/NixOS/nixpkgs/archive/${stableHashes.commit}.tar.gz";
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sha256 = stableHashes.sha256;
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};
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# Stable package set is imported, but not exposed, to overlay
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# required packages into the unstable set.
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stableNixpkgs = import stableNixpkgsSrc {};
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# Overlay for packages that should come from the stable channel
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# instead (e.g. because something is broken in unstable).
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stableOverlay = self: super: {
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inherit (stableNixpkgs)
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awscli # TODO(grfn): Move back to unstable once it is fixed
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;
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};
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in import nixpkgsSrc {
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config.allowUnfree = true;
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config.allowBroken = true;
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overlays = [
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stableOverlay
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depot.third_party.overlays.tvl
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depot.third_party.overlays.haskell
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];
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}
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