tvl-depot/third_party/nixpkgs/default.nix
sterni c414ae6e31 chore(3p): bump NixOS channels to 2021-09-06
Change-Id: Ib1a638c47d848f501ee90a47885baa6ed1a40807
Reviewed-on: https://cl.tvl.fyi/c/depot/+/3493
Tested-by: BuildkiteCI
Reviewed-by: tazjin <mail@tazj.in>
2021-09-06 12:58:19 +00:00

71 lines
2.4 KiB
Nix

# This file imports the pinned nixpkgs sets and applies relevant
# modifications, such as our overlays.
#
# Note that the attribute exposed by this (third_party.nixpkgs) is
# "special" in that the fixpoint used as readTree's config parameter
# in //default.nix passes this attribute as the `pkgs` argument to all
# readTree derivations.
{ depot, externalArgs, ... }:
let
# This provides the sources of nixpkgs. We track both
# nixos-unstable, and the current stable channel of the latest NixOS
# release.
# Tracking nixos-unstable-small as of 2021-09-06.
unstableHashes = {
commit = "23d5823337f4502dfa17e192d8c53a47cabcb6b4";
sha256 = "1zbyyf2710kpjhrss7v59m1gjlriisx5nxvbhjan9vjzx7l64civ";
};
# Tracking nixos-21.05 as of 2021-09-04.
stableHashes = {
commit = "6bfe71f2a4e2e425dee26b25d2309f341ff1600d";
sha256 = "1mpf700fqlzyj6vsy2c329zlgbk9g6giwiyb2g0yhc0a78h72g8l";
};
# import the nixos-unstable package set, or optionally use the
# source (e.g. a path) specified by the `nixpkgsBisectPath`
# argument. This is intended for use-cases where the depot is
# bisected against nixpkgs to find the root cause of an issue in a
# channel bump.
nixpkgsSrc = externalArgs.nixpkgsBisectPath or (fetchTarball {
url = "https://github.com/NixOS/nixpkgs/archive/${unstableHashes.commit}.tar.gz";
sha256 = unstableHashes.sha256;
});
stableNixpkgsSrc = fetchTarball {
url = "https://github.com/NixOS/nixpkgs/archive/${stableHashes.commit}.tar.gz";
sha256 = stableHashes.sha256;
};
# Stable package set is imported, but not exposed, to overlay
# required packages into the unstable set.
stableNixpkgs = import stableNixpkgsSrc {};
# Overlay for packages that should come from the stable channel
# instead (e.g. because something is broken in unstable).
stableOverlay = self: super: {
# nothing picked from stable currently
};
# Overlay to expose the nixpkgs commits we are using to other Nix code.
commitsOverlay = _: _: {
nixpkgsCommits = {
unstable = unstableHashes.commit;
stable = stableHashes.commit;
};
};
in import nixpkgsSrc {
config.allowUnfree = true;
config.allowBroken = true;
overlays = [
commitsOverlay
stableOverlay
depot.third_party.overlays.haskell
depot.third_party.overlays.emacs
depot.third_party.overlays.tvl
depot.third_party.overlays.ecl-static
];
}