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Handles cases where developers ""cannot"" put their initial modules in

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other files.

Imports of imported attribute set are not working anymore because this
feature is hard to maintain and because this a potential source of error.

Imports are only accepted inside named modules where the system has some
control over mutual inclusion.

svn path=/nixpkgs/trunk/; revision=17144
This commit is contained in:
Nicolas Pierron 2009-09-15 00:21:39 +00:00
parent a593492d4f
commit 37ce2ca949
1 changed files with 9 additions and 11 deletions
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20
pkgs/lib/modules.nix
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@ -64,22 +64,20 @@ rec {
moduleClosure = initModules: args:
let
moduleImport = m: lib.addErrorContext
"Import module ${(if builtins.isAttrs m then "{...}" else m)}." (
(unifyModuleSyntax (applyIfFunction
(if builtins.isAttrs m then m else import m) args)) // {
moduleImport = m:
(unifyModuleSyntax (applyIfFunction (importIfPath m) args)) // {
# used by generic closure to avoid duplicated imports.
key = m;
paths = [ m ];
}
);
key = if isPath m then m else
/bad/developer/implies/bad/error/messages;
};
getImports = m: attrByPath ["imports"] [] m;
in
lazyGenericClosure {
startSet = map moduleImport initModules;
(lazyGenericClosure {
startSet = map moduleImport (filter isPath initModules);
operator = m: map moduleImport (getImports m);
};
}) ++ (map moduleImport (filter (m: ! isPath m) initModules));
selectDeclsAndDefs = modules:
lib.concatMap (m: