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Add nixosSubmodule option type

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Since NixOS modules expect special arguments, use a hack to provide them
This commit is contained in:
Shea Levy 2014-02-11 14:21:34 -05:00
parent 2deb26bd4a
commit ca1c5cfa8f
2 changed files with 21 additions and 1 deletions
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19
lib/types.nix
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@ -195,6 +195,25 @@ rec {
args = { name = ""; }; }).options;
};
nixosSubmodule = nixos: args: mkOptionType rec {
name = "submodule containing a NixOS config";
check = x: isAttrs x || isFunction x;
merge = loc: defs:
let
coerce = def: if isFunction def then def else { config = def; };
in (import (nixos + "/lib/eval-config.nix") (args // {
modules = (args.modules or []) ++
map (def: { _file = def.file; imports = [(coerce def.value)]; }) defs;
prefix = loc;
})).config;
getSubOptions = prefix: (import (nixos + "/lib/eval-config.nix") (args // {
modules = (args.modules or []);
inherit prefix;
})).options;
};
# Obsolete alternative to configOf. It takes its option
# declarations from the ‘options’ attribute of containing option
# declaration.