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nix.registry option

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Quentin Gliech 2020-12-22 19:44:21 +01:00
parent 8834df4317
commit 456f17b4d9
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57
modules/nix/default.nix
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@ -345,6 +345,58 @@ in
ordering will be used.
'';
};
nix.registry = mkOption {
type = types.attrsOf (types.submodule (
let
inputAttrs = types.attrsOf (types.oneOf [types.str types.int types.bool types.package]);
in
{ config, name, ... }:
{ options = {
from = mkOption {
type = inputAttrs;
example = { type = "indirect"; id = "nixpkgs"; };
description = "The flake reference to be rewritten.";
};
to = mkOption {
type = inputAttrs;
example = { type = "github"; owner = "my-org"; repo = "my-nixpkgs"; };
description = "The flake reference to which <option>from></option> is to be rewritten.";
};
flake = mkOption {
type = types.unspecified;
default = null;
example = literalExample "nixpkgs";
description = ''
The flake input to which <option>from></option> is to be rewritten.
'';
};
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)
({ type = "path";
path = config.flake.outPath;
} // lib.filterAttrs
(n: v: n == "lastModified" || n == "rev" || n == "revCount" || n == "narHash")
config.flake);
};
}
));
default = {};
description = ''
A system-wide flake registry.
'';
};
};
config = {
@ -385,6 +437,11 @@ in
"c4ecc3d541c163c8fcc954ccae6b8cab28c973dc283fea5995c69aaabcdf785f" # nix installer
];
environment.etc."nix/registry.json".text = builtins.toJSON {
version = 2;
flakes = mapAttrsToList (n: v: { inherit (v) from to exact; }) cfg.registry;
};
# List of machines for distributed Nix builds in the format
# expected by build-remote.
environment.etc."nix/machines" =