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nixpkgs/flake.nix
Jonas Chevalier 8377a7bca9
lib: add list of supported systems ()
Adds the first 3 tiers of RFC0046 that are being used in flake.nix.
2021-10-05 11:14:47 +02:00

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Nix

# Experimental flake interface to Nixpkgs.
# See https://github.com/NixOS/rfcs/pull/49 for details.
{
description = "A collection of packages for the Nix package manager";
outputs = { self }:
let
jobs = import ./pkgs/top-level/release.nix {
nixpkgs = self;
};
lib = import ./lib;
systems = lib.systems.supported.hydra;
forAllSystems = f: lib.genAttrs systems (system: f system);
in
{
lib = lib.extend (final: prev: {
nixosSystem = { modules, ... } @ args:
import ./nixos/lib/eval-config.nix (args // {
modules =
let
vmConfig = (import ./nixos/lib/eval-config.nix
(args // {
modules = modules ++ [ ./nixos/modules/virtualisation/qemu-vm.nix ];
})).config;
vmWithBootLoaderConfig = (import ./nixos/lib/eval-config.nix
(args // {
modules = modules ++ [
./nixos/modules/virtualisation/qemu-vm.nix
{ virtualisation.useBootLoader = true; }
({ config, ... }: {
virtualisation.useEFIBoot =
config.boot.loader.systemd-boot.enable ||
config.boot.loader.efi.canTouchEfiVariables;
})
];
})).config;
moduleDeclarationFile =
let
# Even though `modules` is a mandatory argument for `nixosSystem`, it doesn't
# mean that the evaluator always keeps track of its position. If there
# are too many levels of indirection, the position gets lost at some point.
intermediatePos = builtins.unsafeGetAttrPos "modules" args;
in
if intermediatePos == null then null else intermediatePos.file;
# Add the invoking file as error message location for modules
# that don't have their own locations; presumably inline modules.
addModuleDeclarationFile =
m: if moduleDeclarationFile == null then m else {
_file = moduleDeclarationFile;
imports = [ m ];
};
in
map addModuleDeclarationFile modules ++ [
{
system.nixos.versionSuffix =
".${final.substring 0 8 (self.lastModifiedDate or self.lastModified or "19700101")}.${self.shortRev or "dirty"}";
system.nixos.revision = final.mkIf (self ? rev) self.rev;
system.build = {
vm = vmConfig.system.build.vm;
vmWithBootLoader = vmWithBootLoaderConfig.system.build.vm;
};
}
];
});
});
checks.x86_64-linux.tarball = jobs.tarball;
htmlDocs = {
nixpkgsManual = jobs.manual;
nixosManual = (import ./nixos/release-small.nix {
nixpkgs = self;
}).nixos.manual.x86_64-linux;
};
legacyPackages = forAllSystems (system: import ./. { inherit system; });
nixosModules = {
notDetected = import ./nixos/modules/installer/scan/not-detected.nix;
};
};
}