tvl-depot/third_party/nixpkgs/default.nix
Vincent Ambo 27cbe4e099 chore(3p): Bump nixpkgs and emacs-overlay
Change-Id: Ic3dd1050b137b3107d22b656675cc87727ee4a5c
Reviewed-on: https://cl.tvl.fyi/c/depot/+/3841
Tested-by: BuildkiteCI
Reviewed-by: sterni <sternenseemann@systemli.org>
2021-11-12 08:27:48 +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 as of 2021-11-11.
unstableHashes = {
commit = "9e70e9f732fbb15872cb4ea11bd43c14328a0b69";
sha256 = "1ywvc3w68v3gqqmp96idclrgzmvp4hnx06x9daqna5bk0wsnc4h0";
};
# Tracking nixos-21.05 as of 2021-11-11.
stableHashes = {
commit = "9e86f5f7a19db6da2445f07bafa6694b556f9c6d";
sha256 = "0i2j7bf6jq3s13n12xahramami0n6zn1mksqgi01k7flpgyymcck";
};
# 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 presently.
};
# 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
];
}