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Merge branch 'allow-imports-in-submodules' into upstream-master

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This allows submodules to use the full power of the module system.

Signed-off-by: Shea Levy <shea@shealevy.com>
This commit is contained in:
Shea Levy 2013-06-17 10:06:08 -04:00
commit 8179bad658
2 changed files with 24 additions and 15 deletions
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23
pkgs/lib/modules.nix
View File

@ -75,12 +75,19 @@ rec {
);
unifyOptionModule = {key ? "<unknown location>"}: m: (args:
let module = lib.applyIfFunction m args; in
if lib.isModule module then
{ inherit key; } // module
unifyOptionModule = {key ? "<unknown location>"}: name: index: m: (args:
let
module = lib.applyIfFunction m args;
key_ = rec {
file = key;
option = name;
number = index;
outPath = key;
};
in if lib.isModule module then
{ key = key_; } // module
else
{ inherit key; options = module; }
{ key = key_; options = module; }
);
@ -197,9 +204,9 @@ rec {
recurseInto = name:
moduleMerge (addName name) (modulesOf name);
recurseForOption = name: modules:
recurseForOption = name: modules: args:
moduleMerge name (
map unifyModuleSyntax modules
moduleClosure modules args
);
errorSource = modules:
@ -240,7 +247,7 @@ rec {
decls = # add location to sub-module options.
map (m:
mapSubOptions
(unifyOptionModule {inherit (m) key;})
(unifyOptionModule {inherit (m) key;} name)
m.options
) declarations;

16
pkgs/lib/options.nix
View File

@ -31,7 +31,7 @@ rec {
mapSubOptions = f: opt:
if opt ? options then
opt // {
options = map f (toList opt.options);
options = imap f (toList opt.options);
}
else
opt;
@ -82,16 +82,18 @@ rec {
handleOptionSets = opt:
if opt ? type && opt.type.hasOptions then
let
optionConfig = vals: args:
map (f: lib.applyIfFunction f args)
(opt.options ++ toList vals);
# Evaluate sub-modules.
subModuleMerge = path: vals:
lib.fix (args:
let
result = recurseInto path (optionConfig vals args);
result = recurseInto path (opt.options ++ imap (index: v: args: {
key = rec {
#!!! Would be nice if we had the file the val was from
option = path;
number = index;
outPath = "option ${option} config number ${toString number}";
};
} // (lib.applyIfFunction v args)) (toList vals)) args;
name = lib.removePrefix (opt.name + ".") path;
extraArgs = opt.extraArgs or {};
individualExtraArgs = opt.individualExtraArgs or {};