140 lines
4.3 KiB
Nix
140 lines
4.3 KiB
Nix
# Adapted from Nixpkgs.
|
|
|
|
{ config, lib, pkgs, pkgsPath, ... }:
|
|
|
|
with lib;
|
|
|
|
let
|
|
|
|
isConfig = x: builtins.isAttrs x || builtins.isFunction x;
|
|
|
|
optCall = f: x: if builtins.isFunction f then f x else f;
|
|
|
|
mergeConfig = lhs_: rhs_:
|
|
let
|
|
lhs = optCall lhs_ { inherit pkgs; };
|
|
rhs = optCall rhs_ { inherit pkgs; };
|
|
in lhs // rhs // optionalAttrs (lhs ? packageOverrides) {
|
|
packageOverrides = pkgs:
|
|
optCall lhs.packageOverrides pkgs
|
|
// optCall (attrByPath [ "packageOverrides" ] ({ }) rhs) pkgs;
|
|
} // optionalAttrs (lhs ? perlPackageOverrides) {
|
|
perlPackageOverrides = pkgs:
|
|
optCall lhs.perlPackageOverrides pkgs
|
|
// optCall (attrByPath [ "perlPackageOverrides" ] ({ }) rhs) pkgs;
|
|
};
|
|
|
|
configType = 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: fold (def: mergeConfig def.value) { };
|
|
};
|
|
|
|
overlayType = mkOptionType {
|
|
name = "nixpkgs-overlay";
|
|
description = "nixpkgs overlay";
|
|
check = builtins.isFunction;
|
|
merge = lib.mergeOneOption;
|
|
};
|
|
|
|
_pkgs = import pkgsPath (filterAttrs (n: v: v != null) config.nixpkgs);
|
|
|
|
in {
|
|
options.nixpkgs = {
|
|
config = mkOption {
|
|
default = null;
|
|
example = { allowBroken = true; };
|
|
type = types.nullOr configType;
|
|
description = ''
|
|
The configuration of the Nix Packages collection. (For
|
|
details, see the Nixpkgs documentation.) It allows you to set
|
|
package configuration options.
|
|
|
|
</para><para>
|
|
|
|
If <literal>null</literal>, then configuration is taken from
|
|
the fallback location, for example,
|
|
<filename>~/.config/nixpkgs/config.nix</filename>.
|
|
|
|
</para><para>
|
|
|
|
Note, this option will not apply outside your Home Manager
|
|
configuration like when installing manually through
|
|
<command>nix-env</command>. If you want to apply it both
|
|
inside and outside Home Manager you can put it in a separate
|
|
file and include something like
|
|
|
|
<programlisting language="nix">
|
|
nixpkgs.config = import ./nixpkgs-config.nix;
|
|
xdg.configFile."nixpkgs/config.nix".source = ./nixpkgs-config.nix;
|
|
</programlisting>
|
|
|
|
in your Home Manager configuration.
|
|
'';
|
|
};
|
|
|
|
overlays = mkOption {
|
|
default = null;
|
|
example = literalExpression ''
|
|
[ (self: super: {
|
|
openssh = super.openssh.override {
|
|
hpnSupport = true;
|
|
withKerberos = true;
|
|
kerberos = self.libkrb5;
|
|
};
|
|
};
|
|
) ]
|
|
'';
|
|
type = types.nullOr (types.listOf overlayType);
|
|
description = ''
|
|
List of overlays to use with the Nix Packages collection. (For
|
|
details, see the Nixpkgs documentation.) It allows you to
|
|
override packages globally. This is a function that takes as
|
|
an argument the <emphasis>original</emphasis> Nixpkgs. The
|
|
first argument should be used for finding dependencies, and
|
|
the second should be used for overriding recipes.
|
|
|
|
</para><para>
|
|
|
|
If <literal>null</literal>, then the overlays are taken from
|
|
the fallback location, for example,
|
|
<filename>~/.config/nixpkgs/overlays</filename>.
|
|
|
|
</para><para>
|
|
|
|
Like <varname>nixpkgs.config</varname> this option only
|
|
applies within the Home Manager configuration. See
|
|
<varname>nixpkgs.config</varname> for a suggested setup that
|
|
works both internally and externally.
|
|
'';
|
|
};
|
|
|
|
system = mkOption {
|
|
type = types.str;
|
|
example = "i686-linux";
|
|
internal = true;
|
|
description = ''
|
|
Specifies the Nix platform type for which the user environment
|
|
should be built. If unset, it defaults to the platform type of
|
|
your host system. Specifying this option is useful when doing
|
|
distributed multi-platform deployment, or when building
|
|
virtual machines.
|
|
'';
|
|
};
|
|
};
|
|
|
|
config = {
|
|
_module.args = {
|
|
pkgs = mkOverride modules.defaultPriority _pkgs;
|
|
pkgs_i686 =
|
|
if _pkgs.stdenv.isLinux && _pkgs.stdenv.hostPlatform.isx86 then
|
|
_pkgs.pkgsi686Linux
|
|
else
|
|
{ };
|
|
};
|
|
};
|
|
}
|