87 lines
2.5 KiB
Nix
87 lines
2.5 KiB
Nix
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{ config, lib, pkgs, ... }:
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with lib;
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let
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cfg = config.nix;
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in {
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options.nix = {
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registry = mkOption {
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type = types.attrsOf (types.submodule (let
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inputAttrs = types.attrsOf
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(types.oneOf [ types.str types.int types.bool types.package ]);
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in { config, name, ... }: {
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options = {
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from = mkOption {
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type = inputAttrs;
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example = {
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type = "indirect";
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id = "nixpkgs";
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};
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description = "The flake reference to be rewritten.";
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};
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to = mkOption {
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type = inputAttrs;
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example = {
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type = "github";
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owner = "my-org";
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repo = "my-nixpkgs";
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};
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description =
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"The flake reference to which <option>from></option> is to be rewritten.";
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};
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flake = mkOption {
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type = types.nullOr types.attrs;
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default = null;
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example = literalExpression "nixpkgs";
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description = ''
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The flake input to which <option>from></option> is to be rewritten.
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'';
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};
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exact = mkOption {
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type = types.bool;
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default = true;
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description = ''
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Whether the <option>from</option> reference needs to match exactly. If set,
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a <option>from</option> reference like <literal>nixpkgs</literal> does not
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match with a reference like <literal>nixpkgs/nixos-20.03</literal>.
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'';
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};
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};
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config = {
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from = mkDefault {
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type = "indirect";
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id = name;
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};
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to = mkIf (config.flake != null) ({
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type = "path";
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path = config.flake.outPath;
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} // lib.filterAttrs (n: v:
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n == "lastModified" || n == "rev" || n == "revCount" || n
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== "narHash") config.flake);
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};
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}));
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default = { };
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description = ''
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User level flake registry.
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'';
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};
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registryVersion = mkOption {
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type = types.int;
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default = 2;
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internal = true;
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description = "The flake registry format version.";
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};
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};
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config = mkIf (cfg.registry != { }) {
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xdg.configFile."nix/registry.json".text = builtins.toJSON {
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version = cfg.registryVersion;
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flakes =
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mapAttrsToList (n: v: { inherit (v) from to exact; }) cfg.registry;
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};
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};
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}
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