cf5b88173b
This adds adisbladis' Emacs overlay, which makes bleeding-edge functionality such as native compilation of Elisp available. Change-Id: I29861cb4da37bf8bf7fdb6fba5f2525c7a024356 Reviewed-on: https://cl.tvl.fyi/c/depot/+/3002 Reviewed-by: adisbladis <adisbladis@gmail.com> Tested-by: BuildkiteCI
63 lines
2.1 KiB
Nix
63 lines
2.1 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 2021-04-09.
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unstableHashes = {
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commit = "9e377a6ce42dccd9b624ae4ce8f978dc892ba0e2";
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sha256 = "1r3ll77hyqn28d9i4cf3vqd9v48fmaa1j8ps8c4fm4f8gqf4kpl1";
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};
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# Tracking nixos-20.09 as of 2021-04-09.
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stableHashes = {
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commit = "d6f63659a7021051a46035373ed50fbea7e4e924";
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sha256 = "0vblhzg57sfzqpdm24lgs08vjv2204lzcp6hv4cbjd20rz0mxs4y";
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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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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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depot.third_party.overlays.emacs
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];
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}
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