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nixpkgs/lib/kernel.nix
Johannes Kirschbauer c0f5f271d1
doc: migrate trivial files to doc-comment format (#299986)
* doc: migrate trivial files to doc-comment format

* fix: revert some comments

* Apply suggestions from code review

Thanks @danielSidhion

Co-authored-by: Daniel Sidhion <DanielSidhion@users.noreply.github.com>

* Update lib/types.nix

---------

Co-authored-by: Daniel Sidhion <DanielSidhion@users.noreply.github.com>
Co-authored-by: Silvan Mosberger <github@infinisil.com>
2024-04-04 16:36:07 +02:00

29 lines
845 B
Nix

{ lib }:
let
inherit (lib) mkIf versionAtLeast versionOlder;
in
{
# Keeping these around in case we decide to change this horrible implementation :)
option = x:
x // { optional = true; };
yes = { tristate = "y"; optional = false; };
no = { tristate = "n"; optional = false; };
module = { tristate = "m"; optional = false; };
unset = { tristate = null; optional = false; };
freeform = x: { freeform = x; optional = false; };
# Common patterns/legacy used in common-config/hardened/config.nix
whenHelpers = version: {
whenAtLeast = ver: mkIf (versionAtLeast version ver);
whenOlder = ver: mkIf (versionOlder version ver);
# range is (inclusive, exclusive)
whenBetween = verLow: verHigh: mkIf (versionAtLeast version verLow && versionOlder version verHigh);
};
}