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nixpkgs: format with nixfmt

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This commit is contained in:
Emily 2025-02-03 19:37:53 +00:00
parent 80eddf2bf7
commit dc1c716ded
1 changed files with 90 additions and 78 deletions
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168
modules/nix/nixpkgs.nix
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@ -1,43 +1,48 @@
{ config, options, lib, pkgs, ... }:
{
config,
options,
lib,
pkgs,
...
}:
let
cfg = config.nixpkgs;
opt = options.nixpkgs;
isConfig = x:
builtins.isAttrs x || lib.isFunction x;
isConfig = x: builtins.isAttrs x || lib.isFunction x;
optCall = f: x:
if lib.isFunction f
then f x
else f;
optCall = f: x: if lib.isFunction f then f x else f;
mergeConfig = lhs_: rhs_:
mergeConfig =
lhs_: rhs_:
let
lhs = optCall lhs_ { inherit pkgs; };
rhs = optCall rhs_ { inherit pkgs; };
in
lib.recursiveUpdate lhs rhs //
lib.optionalAttrs (lhs ? packageOverrides) {
packageOverrides = pkgs:
optCall lhs.packageOverrides pkgs //
optCall (lib.attrByPath [ "packageOverrides" ] { } rhs) pkgs;
} //
lib.optionalAttrs (lhs ? perlPackageOverrides) {
perlPackageOverrides = pkgs:
optCall lhs.perlPackageOverrides pkgs //
optCall (lib.attrByPath [ "perlPackageOverrides" ] { } rhs) pkgs;
lib.recursiveUpdate lhs rhs
// lib.optionalAttrs (lhs ? packageOverrides) {
packageOverrides =
pkgs:
optCall lhs.packageOverrides pkgs // optCall (lib.attrByPath [ "packageOverrides" ] { } rhs) pkgs;
}
// lib.optionalAttrs (lhs ? perlPackageOverrides) {
perlPackageOverrides =
pkgs:
optCall lhs.perlPackageOverrides pkgs
// optCall (lib.attrByPath [ "perlPackageOverrides" ] { } rhs) pkgs;
};
configType = lib.mkOptionType {
name = "nixpkgs-config";
description = "nixpkgs config";
check = x:
let traceXIfNot = c:
if c x then true
else lib.traceSeqN 1 x false;
in traceXIfNot isConfig;
merge = args: lib.foldr (def: mergeConfig def.value) {};
check =
x:
let
traceXIfNot = c: if c x then true else lib.traceSeqN 1 x false;
in
traceXIfNot isConfig;
merge = args: lib.foldr (def: mergeConfig def.value) { };
};
overlayType = lib.mkOptionType {
@ -53,7 +58,7 @@ let
description = "An evaluation of Nixpkgs; the top level attribute set of packages";
};
hasBuildPlatform = opt.buildPlatform.highestPrio < (lib.mkOptionDefault {}).priority;
hasBuildPlatform = opt.buildPlatform.highestPrio < (lib.mkOptionDefault { }).priority;
hasHostPlatform = opt.hostPlatform.isDefined;
hasPlatform = hasHostPlatform || hasBuildPlatform;
@ -61,27 +66,31 @@ let
hostPlatformLine = lib.optionalString hasHostPlatform "${lib.showOptionWithDefLocs opt.hostPlatform}";
buildPlatformLine = lib.optionalString hasBuildPlatform "${lib.showOptionWithDefLocs opt.buildPlatform}";
legacyOptionsDefined =
lib.optional (opt.system.highestPrio < (lib.mkDefault {}).priority) opt.system
;
legacyOptionsDefined = lib.optional (
opt.system.highestPrio < (lib.mkDefault { }).priority
) opt.system;
defaultPkgs =
if opt.hostPlatform.isDefined
then
let isCross = cfg.buildPlatform != cfg.hostPlatform;
systemArgs =
if isCross
then {
if opt.hostPlatform.isDefined then
let
isCross = cfg.buildPlatform != cfg.hostPlatform;
systemArgs =
if isCross then
{
localSystem = cfg.buildPlatform;
crossSystem = cfg.hostPlatform;
}
else {
else
{
localSystem = cfg.hostPlatform;
};
in
import cfg.source ({
inherit (cfg) config overlays;
} // systemArgs)
import cfg.source (
{
inherit (cfg) config overlays;
}
// systemArgs
)
else
import cfg.source {
inherit (cfg) config overlays;
@ -119,33 +128,31 @@ in
};
config = lib.mkOption {
default = {};
example = lib.literalExpression
''
{ allowBroken = true; allowUnfree = true; }
'';
default = { };
example = lib.literalExpression ''
{ allowBroken = true; allowUnfree = true; }
'';
type = configType;
description = ''
Global configuration for Nixpkgs.
The complete list of [Nixpkgs configuration options](https://nixos.org/manual/nixpkgs/unstable/#sec-config-options-reference) is in the [Nixpkgs manual section on global configuration](https://nixos.org/manual/nixpkgs/unstable/#chap-packageconfig).
Ignored when {option}`nixpkgs.pkgs` is set.
'';
'';
};
overlays = lib.mkOption {
default = [];
example = lib.literalExpression
''
[
(self: super: {
openssh = super.openssh.override {
hpnSupport = true;
kerberos = self.libkrb5;
};
})
]
'';
default = [ ];
example = lib.literalExpression ''
[
(self: super: {
openssh = super.openssh.override {
hpnSupport = true;
kerberos = self.libkrb5;
};
})
]
'';
type = lib.types.listOf overlayType;
description = ''
List of overlays to apply to Nixpkgs.
@ -159,7 +166,9 @@ in
hostPlatform = lib.mkOption {
type = lib.types.either lib.types.str lib.types.attrs; # TODO utilize lib.systems.parsedPlatform
example = { system = "aarch64-darwin"; };
example = {
system = "aarch64-darwin";
};
# Make sure that the final value has all fields for sake of other modules
# referring to this. TODO make `lib.systems` itself use the module system.
apply = lib.systems.elaborate;
@ -175,17 +184,23 @@ in
buildPlatform = lib.mkOption {
type = lib.types.either lib.types.str lib.types.attrs; # TODO utilize lib.systems.parsedPlatform
default = cfg.hostPlatform;
example = { system = "x86_64-darwin"; };
example = {
system = "x86_64-darwin";
};
# Make sure that the final value has all fields for sake of other modules
# referring to this.
apply = inputBuildPlatform:
let elaborated = lib.systems.elaborate inputBuildPlatform;
in if lib.systems.equals elaborated cfg.hostPlatform
then cfg.hostPlatform # make identical, so that `==` equality works;
see https://github.com/NixOS/nixpkgs/issues/278001
else elaborated;
defaultText = lib.literalExpression
''config.nixpkgs.hostPlatform'';
apply =
inputBuildPlatform:
let
elaborated = lib.systems.elaborate inputBuildPlatform;
in
if lib.systems.equals elaborated cfg.hostPlatform then
cfg.hostPlatform # make identical, so that `==` equality works;
see
"https://github.com/NixOS/nixpkgs/issues/278001"
else
elaborated;
defaultText = lib.literalExpression ''config.nixpkgs.hostPlatform'';
description = ''
Specifies the platform on which nix-darwin should be built.
By default, nix-darwin is built on the system where it runs, but you can
@ -204,8 +219,7 @@ see https://github.com/NixOS/nixpkgs/issues/278001
type = lib.types.str;
example = "x86_64-darwin";
default =
if opt.hostPlatform.isDefined
then
if opt.hostPlatform.isDefined then
throw ''
Neither ${opt.system} nor any other option in nixpkgs.* is meant
to be read by modules and configurations.
@ -264,34 +278,32 @@ see https://github.com/NixOS/nixpkgs/issues/278001
# which is somewhat costly for Nixpkgs. With an explicit priority, we only
# evaluate the wrapper to find out that the priority is lower, and then we
# don't need to evaluate `finalPkgs`.
lib.mkOverride lib.modules.defaultOverridePriority
finalPkgs.__splicedPackages;
lib.mkOverride lib.modules.defaultOverridePriority finalPkgs.__splicedPackages;
};
nixpkgs.constructedByUs =
# We set it with default priority and it can not be merged, so if the
# pkgs module argument has that priority, it's from us.
(lib.modules.mergeAttrDefinitionsWithPrio options._module.args).pkgs.highestPrio
== lib.modules.defaultOverridePriority
== lib.modules.defaultOverridePriority
# Although, if nixpkgs.pkgs is set, we did forward it, but we did not construct it.
&& !opt.pkgs.isDefined;
&& !opt.pkgs.isDefined;
assertions = [
(
let
pkgsSystem = finalPkgs.stdenv.targetPlatform.system;
in {
in
{
assertion = cfg.constructedByUs -> !hasPlatform -> cfg.system == pkgsSystem;
message = "The nix-darwin nixpkgs.pkgs option was set to a Nixpkgs invocation that compiles to target system ${pkgsSystem} but nix-darwin was configured for system ${config.nixpkgs.system} via nix-darwin option nixpkgs.system. The nix-darwin system settings must match the Nixpkgs target system.";
}
)
{
assertion = cfg.constructedByUs -> hasPlatform -> legacyOptionsDefined == [];
assertion = cfg.constructedByUs -> hasPlatform -> legacyOptionsDefined == [ ];
message = ''
Your system configures nixpkgs with the platform parameter${lib.optionalString hasBuildPlatform "s"}:
${hostPlatformLine
}${buildPlatformLine
}
${hostPlatformLine}${buildPlatformLine}
However, it also defines the legacy options:
${lib.concatMapStrings lib.showOptionWithDefLocs legacyOptionsDefined}
For a future proof system configuration, we recommend to remove
@ -299,7 +311,7 @@ see https://github.com/NixOS/nixpkgs/issues/278001
'';
}
{
assertion = opt.pkgs.isDefined -> cfg.config == {};
assertion = opt.pkgs.isDefined -> cfg.config == { };
message = ''
Your system configures nixpkgs with an externally created instance.
`nixpkgs.config` options should be passed when creating the instance instead.