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lib/plugins: use the module system to merge URLs

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This asserts that we don't accidentally end up with conflicting
definitions.

Such conflicts must be made explicit, e.g. using `mkForce` or `mkDefault`.
This commit is contained in:
Matt Sturgeon 2025-09-10 00:36:43 +01:00 • committed by Gaétan Lepage
parent 51edc33c97
commit 79533f91c1
1 changed files with 24 additions and 7 deletions
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31
lib/plugins/utils.nix
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@ -92,21 +92,38 @@
maintainers,
description,
url ? null,
}@args:
}:
{ options, ... }:
let
opts = lib.getAttrFromPath loc options;
url =
if args.url or null == null then
opts.package.default.meta.homepage or (throw "unable to get URL for `${lib.showOption loc}`.")
else
args.url;
# We merge the url from the plugin definition and the url from the
# package's meta.homepage using the module system.
# This validates things like conflicting definitions.
urls = lib.modules.mergeDefinitions (loc ++ [ "url" ]) lib.types.str [
{
value = lib.mkIf (url != null) url;
file = builtins.head opts.package.declarations;
}
{
value = lib.mkIf (opts.package ? default.meta.homepage) opts.package.default.meta.homepage;
file =
let
pos = builtins.unsafeGetAttrPos "homepage" (opts.package.default.meta or { });
in
if pos == null then
opts.package.defaultText.text or "package"
else
pos.file + ":" + toString pos.line;
}
];
in
{
meta = {
inherit maintainers;
nixvimInfo = {
inherit description url;
inherit description;
url = urls.mergedValue;
path = loc;
};
};