2021-04-10 18:05:16 +02:00
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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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2022-01-31 12:19:21 +01:00
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# The actual source pinning happens via niv in //third_party/sources
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#
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2021-04-10 18:05:16 +02:00
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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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2022-06-04 01:35:52 +02:00
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{ depot ? { }
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, externalArgs ? { }
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, depotOverlays ? true
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2022-06-07 10:52:00 +02:00
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, localSystem ? externalArgs.localSystem or builtins.currentSystem
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2023-10-16 15:29:56 +02:00
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, crossSystem ? externalArgs.crossSystem or localSystem
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2022-06-04 01:35:52 +02:00
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, ...
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}:
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2021-04-10 18:05:16 +02:00
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let
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2022-06-04 01:38:25 +02:00
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# Arguments passed to both the stable nixpkgs and the main, unstable one.
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# Includes everything but overlays which are only passed to unstable nixpkgs.
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commonNixpkgsArgs = {
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# allow users to inject their config into builds (e.g. to test CA derivations)
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config =
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(if externalArgs ? nixpkgsConfig then externalArgs.nixpkgsConfig else { })
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// {
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allowUnfree = true;
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2023-10-04 22:39:08 +02:00
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allowUnfreeRedistributable = true;
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2022-06-04 01:38:25 +02:00
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allowBroken = true;
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2022-09-28 12:25:18 +02:00
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# Forbids our meta.ci attribute
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# https://github.com/NixOS/nixpkgs/pull/191171#issuecomment-1260650771
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checkMeta = false;
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2022-06-04 01:38:25 +02:00
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};
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2023-10-16 15:29:56 +02:00
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inherit localSystem crossSystem;
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2022-06-04 01:38:25 +02:00
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};
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2021-04-10 23:43:41 +02:00
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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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2022-01-31 12:19:21 +01:00
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nixpkgsSrc = externalArgs.nixpkgsBisectPath or depot.third_party.sources.nixpkgs;
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2021-04-10 18:05:16 +02:00
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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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2022-06-04 01:38:25 +02:00
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stableNixpkgs = import depot.third_party.sources.nixpkgs-stable commonNixpkgsArgs;
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2021-04-10 18:05:16 +02:00
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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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2022-04-21 11:33:45 +02:00
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# Use `stableNixpkgs` from above.
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2024-02-12 17:12:17 +01:00
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stableOverlay = _unstableSelf: unstableSuper: { };
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2021-08-12 15:15:53 +02:00
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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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2022-01-31 12:19:21 +01:00
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unstable = depot.third_party.sources.nixpkgs.rev;
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stable = depot.third_party.sources.nixpkgs-stable.rev;
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2021-08-12 15:15:53 +02:00
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};
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};
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2021-04-10 18:05:16 +02:00
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in
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2022-06-04 01:38:25 +02:00
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import nixpkgsSrc (commonNixpkgsArgs // {
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2021-04-10 18:05:16 +02:00
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overlays = [
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2021-08-12 15:15:53 +02:00
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commitsOverlay
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2021-04-10 18:05:16 +02:00
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stableOverlay
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2022-01-18 17:28:00 +01:00
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] ++ (if depotOverlays then [
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2021-04-10 18:05:16 +02:00
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depot.third_party.overlays.haskell
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2021-09-01 12:14:37 +02:00
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depot.third_party.overlays.tvl
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2021-08-09 02:47:07 +02:00
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depot.third_party.overlays.ecl-static
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2021-04-18 10:29:49 +02:00
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depot.third_party.overlays.dhall
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2022-07-27 12:53:48 +02:00
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(import depot.third_party.sources.rust-overlay)
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2022-01-18 17:28:00 +01:00
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] else [ ]);
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2022-06-04 01:38:25 +02:00
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})
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