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nix: Add registry option

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Zhong Jianxin 2022-04-11 10:17:02 +08:00 • committed by Alexander Sosedkin
parent 1a8ae407f5
commit 5c5c44b5b7
1 changed files with 64 additions and 0 deletions
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64
modules/environment/nix.nix
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@ -46,6 +46,65 @@ in
'';
};
registry = mkOption {
type = types.attrsOf (types.submodule (
let
referenceAttrs = with types; attrsOf (oneOf [
str
int
bool
package
]);
in
{ config, name, ... }:
{
options = {
from = mkOption {
type = referenceAttrs;
example = { type = "indirect"; id = "nixpkgs"; };
description = "The flake reference to be rewritten.";
};
to = mkOption {
type = referenceAttrs;
example = { type = "github"; owner = "my-org"; repo = "my-nixpkgs"; };
description = "The flake reference <option>from</option> is rewritten to.";
};
flake = mkOption {
type = types.nullOr types.attrs;
default = null;
example = literalExpression "nixpkgs";
description = ''
The flake input <option>from</option> is rewritten to.
'';
};
exact = mkOption {
type = types.bool;
default = true;
description = ''
Whether the <option>from</option> reference needs to match exactly. If set,
a <option>from</option> reference like <literal>nixpkgs</literal> does not
match with a reference like <literal>nixpkgs/nixos-20.03</literal>.
'';
};
};
config = {
from = mkDefault { type = "indirect"; id = name; };
to = mkIf (config.flake != null) (mkDefault
{
type = "path";
path = config.flake.outPath;
} // filterAttrs
(n: _: n == "lastModified" || n == "rev" || n == "revCount" || n == "narHash")
config.flake);
};
}
));
default = { };
description = ''
A system-wide flake registry.
'';
};
substituters = mkOption {
type = types.listOf types.str;
default = [];
@ -86,6 +145,11 @@ in
trusted-public-keys = ${concatStringsSep " " cfg.trustedPublicKeys}
${cfg.extraConfig}
'';
"nix/registry.json".text = builtins.toJSON {
version = 2;
flakes = mapAttrsToList (n: v: { inherit (v) from to exact; }) cfg.registry;
};
};
nix = {