nix/doc/manual/generate-builtins.nix
Robert Hensing 2f1b70a529 Format .nix files
This does not include any automation for the release branch, but
is based on the configuration of https://github.com/NixOS/nix/pull/12349

    pre-commit run -a nixfmt-rfc-style
2025-01-24 20:30:07 +01:00

54 lines
1.4 KiB
Nix

let
inherit (builtins) concatStringsSep attrValues mapAttrs;
inherit (import <nix/utils.nix>) optionalString squash;
in
builtinsInfo:
let
showBuiltin =
name:
{
doc,
type ? null,
args ? [ ],
experimental-feature ? null,
impure-only ? false,
}:
let
type' = optionalString (type != null) " (${type})";
experimentalNotice = optionalString (experimental-feature != null) ''
> **Note**
>
> This function is only available if the [`${experimental-feature}` experimental feature](@docroot@/development/experimental-features.md#xp-feature-${experimental-feature}) is enabled.
>
> For example, include the following in [`nix.conf`](@docroot@/command-ref/conf-file.md):
>
> ```
> extra-experimental-features = ${experimental-feature}
> ```
'';
impureNotice = optionalString impure-only ''
> **Note**
>
> Not available in [pure evaluation mode](@docroot@/command-ref/conf-file.md#conf-pure-eval).
'';
in
squash ''
<dt id="builtins-${name}">
<a href="#builtins-${name}"><code>${name}${listArgs args}</code></a>${type'}
</dt>
<dd>
${experimentalNotice}
${doc}
${impureNotice}
</dd>
'';
listArgs = args: concatStringsSep "" (map (s: " <var>${s}</var>") args);
in
concatStringsSep "\n" (attrValues (mapAttrs showBuiltin builtinsInfo))