mirror of
https://github.com/NixOS/mobile-nixos.git
synced 2024-12-04 11:06:20 +03:00
318 lines
11 KiB
Nix
318 lines
11 KiB
Nix
# What's release.nix?
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# ===================
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#
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# This is mainly intended to be run by the build farm at the foundation's Hydra
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# instance. Though you can use it to run your builds, it is not as ergonomic as
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# using `nix-build` on `./default.nix`.
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#
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# Also note that *by design* it still relies on NIX_PATH being used for the
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# input Nixpkgs.
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#
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# Note:
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# Verify that .ci/instantiate-all.nix lists the expected paths when adding to this file.
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let
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# An ambiant arbitrary Nixpkgs package set.
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# This is assumed to be used for e.g. Hydra evals where <nixpkgs> is an input.
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# This pkgs' is used as an input to release-tools, *and* to get a `lib`.
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# Named pkgs' to reduce confusion with fully evaluated `pkgs`.
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pkgs' = import <nixpkgs> {};
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mobileReleaseTools = (import ./lib/release-tools.nix {
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pkgs = pkgs';
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});
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inherit (mobileReleaseTools) all-devices;
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in
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{ mobile-nixos ? builtins.fetchGit ./.
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# By default, builds all devices.
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, devices ? all-devices
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# By default, assume we eval only for currentSystem
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, systems ? [ builtins.currentSystem ]
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# nixpkgs is also an input, used as `<nixpkgs>` in the system configuration.
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# Some additional configuration will be made with this.
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# Mainly to work with some limitations (output size).
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, inNixOSHydra ? false
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}:
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let
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# We require some `lib` stuff in here.
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# Pick a lib from the arbitrary package set.
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inherit (pkgs') lib releaseTools;
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inherit (mobileReleaseTools.withPkgs pkgs')
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evalFor
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evalWithConfiguration
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knownSystems
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specialConfig
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;
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# Systems we should eval for, per host system.
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# Non-native will be assumed cross.
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shouldEvalOn = {
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x86_64-linux = [
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"armv7l-linux"
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"aarch64-linux"
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"x86_64-linux"
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];
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aarch64-linux = [
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"aarch64-linux"
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];
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armv7l-linux = [
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"armv7l-linux"
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];
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};
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onlyDerivations = lib.filterAttrs (k: v: lib.isDerivation v);
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onlyDerivationsAndAttrsets = lib.filterAttrs (k: v: lib.isDerivation v || (lib.isAttrs v && !lib.isFunction v));
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# Given an evaluated "device", filters `pkgs` down to only our packages
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# unique to the overaly.
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# Also removes some non-packages from the overlay.
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overlayForEval =
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let
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# Trick the overlay in giving us its attributes.
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# Using the values is likely to fail. Thank lazyness!
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overlayAttrNames = builtins.attrNames (import ./overlay/overlay.nix {} {});
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in
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eval: let overlay = (lib.genAttrs overlayAttrNames (name: eval.pkgs.${name})); in
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overlay // {
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# We only "monkey patch" over top of the main nixos one.
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xorg = {
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xf86videofbdev = eval.pkgs.xorg.xf86videofbdev;
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};
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# lib-like attributes...
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# How should we handle these?
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imageBuilder = null;
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mobile-nixos = (onlyDerivationsAndAttrsets overlay.mobile-nixos) // {
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# The cross canaries attrsets will be used as constituents.
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# Filter out `override` and `overrideAttrs` early.
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cross-canary-test = onlyDerivations overlay.mobile-nixos.cross-canary-test;
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cross-canary-test-static = onlyDerivations overlay.mobile-nixos.cross-canary-test-static;
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};
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# Also lib-like, but a "global" like attribute :/
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defaultKernelPatches = null;
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}
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;
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# Given a system builds run on, this will return a set of further systems
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# this builds in, either native or cross.
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# The values are `overlayForEval` applied for the pair local/cross systems.
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evalForSystem = system: builtins.listToAttrs
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(builtins.map (
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buildingForSystem:
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let
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# "device" name for the eval *and* key used for the set.
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name = if system == buildingForSystem then buildingForSystem else "${buildingForSystem}-cross";
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# "device" eval for our dummy device.
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eval = evalFor (specialConfig {inherit name buildingForSystem system;});
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overlay = overlayForEval eval;
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in {
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inherit name;
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value = overlay;
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}) shouldEvalOn.${system}
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)
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;
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# `device` here is indexed by the system it's being built on first.
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# FIXME: can we better filter this?
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device = lib.genAttrs devices (device:
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lib.genAttrs systems (system:
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(evalWithConfiguration {
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nixpkgs.localSystem = knownSystems.${system};
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} device).config.mobile.outputs.default
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)
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);
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# `kernel` here is indexed by the system it's being built on first.
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# FIXME: can we better filter this?
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kernel = lib.genAttrs devices (device:
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lib.genAttrs systems (system:
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(evalWithConfiguration {
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nixpkgs.localSystem = knownSystems.${system};
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} device).config.mobile.boot.stage-1.kernel.package
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)
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);
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evalExample =
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{ example
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, system
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, targetSystem ? system
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}:
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import example {
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device = specialConfig {
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name =
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if system == targetSystem
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then system
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else "${targetSystem}-built-on-${system}"
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;
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inherit system;
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buildingForSystem = targetSystem;
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config = {
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# Ensures outputs are digestible by Hydra
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mobile._internal.compressLargeArtifacts = inNixOSHydra;
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# Build a generic rootfs
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mobile.rootfs.shared.enabled = true;
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};
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};
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}
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;
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evalInstaller =
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{ device
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, localSystem
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}:
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let
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eval = evalWithConfiguration {
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imports = [
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./examples/installer/configuration.nix
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];
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nixpkgs.localSystem = knownSystems.${localSystem};
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} device;
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in
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eval // { inherit (eval.config.mobile) outputs; }
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;
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doc = import ./doc {
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pkgs = pkgs';
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};
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in
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rec {
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inherit device;
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inherit kernel;
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inherit doc;
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# Some example systems to build.
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# They track breaking changes, and ensures dependencies are built.
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# They may or may not work as-they-are on devices. YMMV.
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examples = {
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hello = {
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x86_64-linux.toplevel = (evalExample { example = ./examples/hello; system = "x86_64-linux"; }).outputs.toplevel;
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aarch64-linux.toplevel = (evalExample { example = ./examples/hello; system = "aarch64-linux"; }).outputs.toplevel;
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cross-x86-aarch64.toplevel = (evalExample { example = ./examples/hello; system = "x86_64-linux"; targetSystem = "aarch64-linux"; }).outputs.toplevel;
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cross-x86-armv7l.toplevel = (evalExample { example = ./examples/hello; system = "x86_64-linux"; targetSystem = "armv7l-linux"; }).outputs.toplevel;
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};
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phosh = {
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x86_64-linux.toplevel = (evalExample { example = ./examples/phosh; system = "x86_64-linux"; }).outputs.toplevel;
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aarch64-linux.toplevel = (evalExample { example = ./examples/phosh; system = "aarch64-linux"; }).outputs.toplevel;
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cross-x86-aarch64.toplevel = (evalExample { example = ./examples/phosh; system = "x86_64-linux"; targetSystem = "aarch64-linux"; }).outputs.toplevel;
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};
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plasma-mobile = {
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x86_64-linux.toplevel = (evalExample { example = ./examples/plasma-mobile; system = "x86_64-linux"; }).outputs.toplevel;
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aarch64-linux.toplevel = (evalExample { example = ./examples/plasma-mobile; system = "aarch64-linux"; }).outputs.toplevel;
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cross-x86-aarch64.toplevel = (evalExample { example = ./examples/plasma-mobile; system = "x86_64-linux"; targetSystem = "aarch64-linux"; }).outputs.toplevel;
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};
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};
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installer = {
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lenovo-krane = (evalInstaller { device = "lenovo-krane"; localSystem = "aarch64-linux"; }).outputs.default;
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lenovo-wormdingler = (evalInstaller { device = "lenovo-wormdingler"; localSystem = "aarch64-linux"; }).outputs.default;
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pine64-pinephone = (evalInstaller { device = "pine64-pinephone"; localSystem = "aarch64-linux"; }).outputs.default;
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};
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# Overlays build native, and cross, according to shouldEvalOn
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overlay = lib.genAttrs systems (system:
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(evalForSystem system)
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);
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cross-canaries = lib.genAttrs ["aarch64-linux" "armv7l-linux"] (system:
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releaseTools.aggregate {
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name = "cross-canaries-${system}";
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constituents =
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let
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overlay' = overlay.x86_64-linux."${system}-cross";
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in
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(builtins.attrValues overlay'.mobile-nixos.cross-canary-test)
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++ (builtins.attrValues overlay'.mobile-nixos.cross-canary-test-static)
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;
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meta = {
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description = "Useful checks for cross-compilation.";
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};
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}
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);
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cross-compiled = {
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installer = {
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lenovo-krane = (evalInstaller { device = "lenovo-krane"; localSystem = "x86_64-linux"; }).outputs.default;
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lenovo-wormdingler = (evalInstaller { device = "lenovo-wormdingler"; localSystem = "x86_64-linux"; }).outputs.default;
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pine64-pinephone = (evalInstaller { device = "pine64-pinephone"; localSystem = "x86_64-linux"; }).outputs.default;
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};
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};
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tested = let
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hasSystem = name: lib.lists.any (el: el == name) systems;
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constituents =
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cross-canaries.aarch64-linux.constituents
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++ lib.optionals (hasSystem "x86_64-linux") [
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device.uefi-x86_64.x86_64-linux # UEFI system
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# Cross builds
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device.asus-z00t.x86_64-linux # Android
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device.asus-dumo.x86_64-linux # Depthcharge
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# Example systems
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examples.hello.x86_64-linux.toplevel
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examples.hello.cross-x86-aarch64.toplevel
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examples.phosh.x86_64-linux.toplevel
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examples.plasma-mobile.x86_64-linux.toplevel
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# Flashable zip binaries are universal for a platform.
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overlay.x86_64-linux.aarch64-linux-cross.mobile-nixos.android-flashable-zip-binaries
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]
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++ lib.optionals (hasSystem "aarch64-linux") [
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device.asus-z00t.aarch64-linux # Android
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device.asus-dumo.aarch64-linux # Depthcharge
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# Example systems
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examples.hello.aarch64-linux.toplevel
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examples.phosh.aarch64-linux.toplevel
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examples.plasma-mobile.aarch64-linux.toplevel
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installer.pine64-pinephone
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# Flashable zip binaries are universal for a platform.
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overlay.aarch64-linux.aarch64-linux.mobile-nixos.android-flashable-zip-binaries
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];
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in
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releaseTools.aggregate {
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name = "mobile-nixos-tested";
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inherit constituents;
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meta = {
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description = "Representative subset of devices that have to succeed.";
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};
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};
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# Uses the constituents of tested
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testedPlus = let
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hasSystem = name: lib.lists.any (el: el == name) systems;
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constituents = tested.constituents
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++ cross-canaries.armv7l-linux.constituents
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++ lib.optionals (hasSystem "x86_64-linux") [
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device.asus-flo.x86_64-linux
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overlay.x86_64-linux.armv7l-linux-cross.mobile-nixos.android-flashable-zip-binaries
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examples.hello.cross-x86-armv7l.toplevel
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]
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++ lib.optionals (hasSystem "aarch64-linux") [
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]
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++ lib.optionals (hasSystem "armv7l-linux") [
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device.asus-flo.armv7l-linux
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overlay.armv7l-linux.armv7l-linux.mobile-nixos.android-flashable-zip-binaries
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]
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;
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in
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releaseTools.aggregate {
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name = "mobile-nixos-tested-plus";
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inherit constituents;
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meta = {
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description = ''
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Other targets that may be failing more often than `tested`.
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This contains more esoteric and less tested platforms.
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For a future release, `testedPlus` shoud also pass.
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'';
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};
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};
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}
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