3e256b4947
Change-Id: I95572427b041f7a406bee214f5819a698d681661 Reviewed-on: https://cl.tvl.fyi/c/depot/+/3882 Tested-by: BuildkiteCI Reviewed-by: tazjin <mail@tazj.in>
71 lines
2.4 KiB
Nix
71 lines
2.4 KiB
Nix
# 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, externalArgs, ... }:
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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 2021-11-16.
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unstableHashes = {
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commit = "931ab058daa7e4cd539533963f95e2bb0dbd41e6";
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sha256 = "079925kw711k8agg17kxq36ininpacfjjhgydjy0pqbkhk59v6gm";
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};
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# Tracking nixos-21.05 as of 2021-11-15.
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stableHashes = {
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commit = "46251a79f752ae1d46ef733e8e9760b6d3429da4";
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sha256 = "1xsp0xyrf8arjkf4wi09n96kbg0r8igsmzx8bhc1nj4nr078p0pg";
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};
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# import the nixos-unstable package set, or optionally use the
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# source (e.g. a path) specified by the `nixpkgsBisectPath`
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# argument. This is intended for use-cases where the depot is
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# bisected against nixpkgs to find the root cause of an issue in a
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# channel bump.
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nixpkgsSrc = externalArgs.nixpkgsBisectPath or (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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# Nothing picked from stable presently.
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};
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# Overlay to expose the nixpkgs commits we are using to other Nix code.
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commitsOverlay = _: _: {
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nixpkgsCommits = {
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unstable = unstableHashes.commit;
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stable = stableHashes.commit;
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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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commitsOverlay
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stableOverlay
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depot.third_party.overlays.haskell
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depot.third_party.overlays.emacs
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depot.third_party.overlays.tvl
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depot.third_party.overlays.ecl-static
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];
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}
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