mirror of
https://github.com/nix-community/home-manager
synced 2024-11-24 03:59:46 +01:00
ed81b6848e
This module is capable of producing a bastardized NixOS configuration manual with Home Manager configuration options instead.
68 lines
2.2 KiB
Nix
68 lines
2.2 KiB
Nix
{ config, lib, pkgs, baseModules, ... }:
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with lib;
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let
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/* For the purpose of generating docs, evaluate options with each derivation
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in `pkgs` (recursively) replaced by a fake with path "\${pkgs.attribute.path}".
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It isn't perfect, but it seems to cover a vast majority of use cases.
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Caveat: even if the package is reached by a different means,
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the path above will be shown and not e.g. `${config.services.foo.package}`. */
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nixosManual = import <nixpkgs/nixos/doc/manual> {
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inherit pkgs config;
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version = "0.1";
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revision = "release-0.1";
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options =
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let
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scrubbedEval = evalModules {
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modules = [ { nixpkgs.system = pkgs.stdenv.system; } ] ++ baseModules;
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args = (config._module.args) // { modules = [ ]; };
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specialArgs = { pkgs = scrubDerivations "pkgs" pkgs; };
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};
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scrubDerivations = namePrefix: pkgSet: mapAttrs
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(name: value:
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let wholeName = "${namePrefix}.${name}"; in
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if isAttrs value then
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scrubDerivations wholeName value
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// (optionalAttrs (isDerivation value) { outPath = "\${${wholeName}}"; })
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else value
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)
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pkgSet;
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in scrubbedEval.options;
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};
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homeEnvironmentManPages = pkgs.runCommand "home-environment-manpages" {
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allowedReferences = [ "out" ];
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} ''
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install -v -D -m444 \
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${nixosManual.manpages}/share/man/man5/configuration.nix.5 \
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$out/share/man/man5/home-configuration.nix.5
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'';
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in
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{
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options = {
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manual.manpages.enable = mkOption {
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type = types.bool;
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default = true;
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example = false;
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description = ''
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Whether to install the configuration manual page. The manual can
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be reached by <command>man home-configuration.nix</command>.
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</para><para>
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When looking at the manual page pretend that all references to
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NixOS stuff are actually references to Home Manager stuff.
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Thanks!
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'';
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};
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};
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config = mkIf config.manual.manpages.enable {
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# To fix error during manpage build.
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meta.doc = builtins.toFile "nothingness" "<para></para>";
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home.packages = [ homeEnvironmentManPages ];
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};
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}
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