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Export only the files of the active definitions

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This commit is contained in:
Eelco Dolstra 2013-10-30 12:10:40 +01:00
parent ac68d326b9
commit c7f7ceefd6
1 changed files with 3 additions and 2 deletions
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5
lib/modules.nix
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@ -153,6 +153,7 @@ rec {
# value specified in the option declaration (if any).
defsFinal = filterOverrides'
((if opt ? default then [{ file = head opt.declarations; value = mkOptionDefault opt.default; }] else []) ++ defs);
files = map (def: def.file) defsFinal;
# Type-check the remaining definitions, and merge them if
# possible.
merged =
@ -162,16 +163,16 @@ rec {
fold (def: res:
if opt.type.check def.value then res
else throw "The option value `${showOption loc}' in `${def.file}' is not a ${opt.type.name}.")
(opt.type.merge { prefix = loc; files = map (m: m.file) defsFinal; } (map (m: m.value) defsFinal)) defsFinal;
(opt.type.merge { prefix = loc; inherit files; } (map (m: m.value) defsFinal)) defsFinal;
# Finally, apply the ‘apply’ function to the merged
# value. This allows options to yield a value computed
# from the definitions.
value = (opt.apply or id) merged;
in opt //
{ value = addErrorContext "while evaluating the option `${showOption loc}':" value;
files = map (def: def.file) defs;
definitions = map (def: def.value) defsFinal;
isDefined = defsFinal != [];
inherit files;
};
/* Given a config set, expand mkMerge properties, and push down the