implement mkFlake for new api and rebase on fup

This commit is contained in:
Pacman99 2021-04-25 16:50:01 -07:00
parent f8315a293c
commit dceac02b36
3 changed files with 72 additions and 214 deletions

View File

@ -35,7 +35,6 @@
inherit deploy;
};
evalArgs = import ./mkFlake/evalArgs.nix { lib = nixpkgs.lib // self; };
evalOldArgs = import ./mkFlake/evalOldArgs.nix { lib = nixpkgs.lib // self; };
};
pkgs-lib = import ./pkgs-lib {
@ -83,7 +82,7 @@
mkFlakeDoc = pkgs.writeText "mkFlakeOptions.md"
(
pkgs.nixosOptionsDoc {
inherit (lib.mkFlake.evalArgs { nixos = "nixos"; args = { }; }) options;
inherit (lib.mkFlake.evalArgs { args = { }; }) options;
}
).optionsMDDoc;
};

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@ -1,64 +1,85 @@
{ lib, deploy }:
let
inherit (lib) os;
inherit (builtins) mapAttrs attrNames attrValues head isFunction;
in
_: { self, inputs, nixos, ... } @ args:
_: { self, inputs, ... } @ args:
let
cfg = (
lib.mkFlake.evalOldArgs
{ inherit self inputs args; }
).config;
multiPkgs = os.mkPkgs
{
inherit self inputs nixos;
inherit (cfg) extern overrides;
};
outputs = {
nixosConfigurations = os.mkHosts
{
inherit self inputs nixos multiPkgs;
inherit (cfg) extern suites overrides;
dir = cfg.hosts;
};
homeConfigurations = os.mkHomeConfigurations self.nixosConfigurations;
nixosModules = cfg.modules;
homeModules = cfg.userModules;
overlay = cfg.packages;
inherit (cfg) overlays;
deploy.nodes = os.mkNodes deploy self.nixosConfigurations;
config = lib.mkFlake.evalArgs {
args = lib.mkMerge [ args { _module.check = false; } ];
};
systemOutputs = lib.eachDefaultSystem (system:
let
pkgs = multiPkgs.${system};
pkgs-lib = lib.pkgs-lib.${system};
# all packages that are defined in ./pkgs
legacyPackages = os.mkPackages {
inherit pkgs;
inherit (self) overlay overlays;
};
in
{
checks = pkgs-lib.tests.mkChecks {
cfg = config.config;
otherArguments = removeAttrs args (attrNames config.options);
defaultModules = with lib.modules; [
(hmDefaults {
inherit (cfg.home) suites;
modules = cfg.home.modules ++ cfg.home.externalModules;
})
(globalDefaults {
inherit self inputs;
})
];
getDefaultChannel = channels: channels.${cfg.nixos.hostDefaults.channelName};
in
lib.systemFlake (lib.recursiveUpdate
otherArguments
{
inherit self inputs;
inherit (cfg) channelsConfig supportedSystems;
mkFlakeConfig = config;
channels = mapAttrs
(name: channel:
channel // {
# pass channels if "overlay" has three arguments
overlaysBuilder = channels: lib.unifyOverlays channels channel.overlays;
}
) cfg.channels;
# the host arguments cannot exist for fup hostDefaults to work
# so evalArgs sets them to null by default and the null args are filtered out here
hosts = mapAttrs (_: host: lib.filterAttrs (_: arg: arg != null) host) cfg.nixos.hosts;
hostDefaults = {
specialArgs.suites = cfg.nixos.suites;
modules = cfg.nixos.hostDefaults.modules
++ cfg.nixos.hostDefaults.externalModules
++ defaultModules;
builder = os.devosSystem { inherit self inputs; };
inherit (cfg.nixos.hostDefaults)
channelName
system;
};
nixosModules = lib.exporter.modulesFromList cfg.nixos.hostDefaults.modules;
homeModules = lib.exporter.modulesFromList cfg.home.modules;
homeConfigurations = os.mkHomeConfigurations self.nixosConfigurations;
deploy.nodes = os.mkNodes deploy self.nixosConfigurations;
overlays = lib.exporter.overlaysFromChannelsExporter { inherit (self) pkgs inputs; };
packagesBuilder = lib.builder.packagesFromOverlaysBuilderConstructor self.overlays;
checksBuilder = channels:
lib.pkgs-lib.tests.mkChecks {
pkgs = getDefaultChannel channels;
inherit (self.deploy) nodes;
hosts = self.nixosConfigurations;
homes = self.homeConfigurations;
};
inherit legacyPackages;
packages = lib.filterPackages system legacyPackages;
devShell = pkgs-lib.shell;
});
in
outputs // systemOutputs
devShellBuilder = channels:
lib.pkgs-lib.shell {
pkgs = getDefaultChannel channels;
};
}
)

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@ -1,162 +0,0 @@
{ lib }:
{ self, inputs, args }:
let
argOpts = with lib; { config, options, ... }:
let
inherit (lib) os;
inherit (config) self;
inputAttrs = with types; functionTo attrs;
moduleType = with types; anything // {
inherit (submodule { }) check;
description = "valid module";
};
in
{
options = with types; {
self = mkOption {
type = addCheck attrs lib.isStorePath;
description = "The flake to create the devos outputs for";
};
nixos = mkOption {
type = addCheck attrs lib.isStorePath;
description = "The default nixpkgs channel of the devos";
};
inputs = mkOption {
type = addCheck attrs lib.isStorePath;
description = "All inptus of the devos";
};
hosts = mkOption {
type = path;
default = "${self}/hosts";
defaultText = "\${self}/hosts";
apply = toString;
description = ''
Path to directory containing host configurations that will be exported
to the 'nixosConfigurations' output.
'';
};
packages = mkOption {
# functionTo changes arg names which breaks flake check
type = types.anything // {
check = builtins.isFunction;
description = "Nixpkgs overlay";
};
default = (final: prev: { });
defaultText = "(final: prev: {})";
description = ''
Overlay for custom packages that will be included in treewide 'pkgs'.
This should follow the standard nixpkgs overlay format - two argument function
that returns an attrset.
These packages will be exported to the 'packages' and 'legacyPackages' outputs.
'';
};
modules = mkOption {
type = listOf moduleType;
default = [ ];
apply = lib.pathsToImportedAttrs;
description = ''
list of modules to include in confgurations and export in 'nixosModules' output
'';
};
userModules = mkOption {
type = listOf moduleType;
default = [ ];
apply = lib.pathsToImportedAttrs;
description = ''
list of modules to include in home-manager configurations and export in
'homeModules' output
'';
};
profiles = mkOption {
type = path;
default = "${self}/profiles";
defaultText = "\${self}/profiles";
apply = x: os.mkProfileAttrs (toString x);
description = "path to profiles folder that can be collected into suites";
};
userProfiles = mkOption {
type = path;
default = "${self}/users/profiles";
defaultText = "\${self}/users/profiles";
apply = x: os.mkProfileAttrs (toString x);
description = "path to user profiles folder that can be collected into userSuites";
};
suites =
let
defaults = { user = { }; system = { }; };
in
mkOption {
type = inputAttrs;
default = { ... }: defaults;
defaultText = "{ user = {}; system = {}; }";
apply = suites: defaults // os.mkSuites {
inherit suites;
inherit (config) profiles users userProfiles;
};
description = ''
Function with inputs 'users' and 'profiles' that returns attribute set
with user and system suites. The former for Home Manager and the latter
for nixos configurations.
These can be accessed through the 'suites' specialArg in each config system.
'';
};
users = mkOption {
type = path;
default = "${self}/users";
defaultText = "\${self}/users";
apply = x: os.mkProfileAttrs (toString x);
description = ''
path to folder containing profiles that define system users
'';
};
extern =
let
defaults = {
modules = [ ];
overlays = [ ];
specialArgs = { };
userModules = [ ];
userSpecialArgs = { };
};
in
mkOption {
type = inputAttrs;
default = { ... }: defaults;
defaultText = ''
{ modules = []; overlays = []; specialArgs = []; userModules = []; userSpecialArgs = []; }
'';
# So unneeded extern attributes can safely be deleted
apply = x: defaults // (x { inputs = inputs // self.inputs; });
description = ''
Function with argument 'inputs' that contains all devos and ''${self}'s inputs.
The function should return an attribute set with modules, overlays, and
specialArgs to be included across nixos and home manager configurations.
Only attributes that are used should be returned.
'';
};
overlays = mkOption {
type = path;
default = "${self}/overlays";
defaultText = "\${self}/overlays";
apply = x: lib.pathsToImportedAttrs (lib.pathsIn (toString x));
description = ''
path to folder containing overlays which will be applied to pkgs and exported in
the 'overlays' output
'';
};
overrides = mkOption rec {
type = attrs;
default = { modules = [ ]; disabledModules = [ ]; packages = _: _: _: { }; };
defaultText = "{ modules = []; disabledModules = []; packages = {}; }";
apply = x: default // x;
description = "attrset of packages and modules that will be pulled from nixpkgs master";
};
};
};
in
lib.evalModules {
modules = [ argOpts args ];
}