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modules/dependencies: restore literal expression example support

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Matt Sturgeon 2025-04-21 08:47:28 +01:00
parent fb80e0d0b5
commit 55ad604d44
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1 changed files with 18 additions and 11 deletions
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29
modules/dependencies.nix
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@ -16,20 +16,27 @@ let
lib.mkPackageOption pkgs name properties
# Handle example manually so that we can embed the original attr-path within
# the literalExpression object. This simplifies testing the examples.
// lib.optionalAttrs (properties.example != null) {
example =
if properties.example._type or null == "literalExpression" then
properties.example
else
{
_type = "literalExpression";
text = "pkgs.${lib.showAttrPath properties.example}";
path = properties.example;
};
// lib.optionalAttrs (builtins.isList properties.example) {
example = {
_type = "literalExpression";
text = "pkgs.${lib.showAttrPath properties.example}";
path = properties.example;
};
}
// lib.optionalAttrs (literalExpressionType.check properties.example) {
inherit (properties) example;
};
};
attrPathType = with types; coercedTo str lib.toList (listOf str);
literalExpressionType = lib.types.mkOptionType {
name = "literal-expression";
description = "literal expression";
descriptionClass = "noun";
merge = lib.options.mergeEqualOption;
check = v: v ? _type && (v._type == "literalExpression" || v._type == "literalMD");
};
in
{
options = {
@ -46,7 +53,7 @@ in
};
example = lib.mkOption {
type = types.nullOr attrPathType;
type = types.nullOr (types.either attrPathType literalExpressionType);
description = ''
Attribute path for an alternative package that provides dependency, relative to `pkgs`.
'';