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modules: move meta at top level

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This commit is contained in:
Eric Sagnes 2016-05-09 14:53:27 +09:00
parent 898435d16e
commit 4cdfeb78f9
9 changed files with 103 additions and 95 deletions
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10
lib/modules.nix
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@ -105,8 +105,12 @@ rec {
/* Massage a module into canonical form, that is, a set consisting
of ‘options’, ‘config’ and ‘imports’ attributes. */
unifyModuleSyntax = file: key: m:
let metaSet = if m ? meta
then { meta = m.meta; }
else {};
in
if m ? config || m ? options then
let badAttrs = removeAttrs m ["imports" "options" "config" "key" "_file"]; in
let badAttrs = removeAttrs m ["imports" "options" "config" "key" "_file" "meta"]; in
if badAttrs != {} then
throw "Module `${key}' has an unsupported attribute `${head (attrNames badAttrs)}'. This is caused by assignments to the top-level attributes `config' or `options'."
else
@ -114,14 +118,14 @@ rec {
key = toString m.key or key;
imports = m.imports or [];
options = m.options or {};
config = m.config or {};
config = mkMerge [ (m.config or {}) metaSet ];
}
else
{ file = m._file or file;
key = toString m.key or key;
imports = m.require or [] ++ m.imports or [];
options = {};
config = removeAttrs m ["key" "_file" "require" "imports"];
config = mkMerge [ (removeAttrs m ["key" "_file" "require" "imports"]) metaSet ];
};
applyIfFunction = key: f: args@{ config, options, lib, ... }: if isFunction f then