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allow the argument set of modules to be defined outside of option.nix file.

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svn path=/nixpkgs/trunk/; revision=16191
This commit is contained in:
Nicolas Pierron 2009-07-06 16:20:00 +00:00
parent 736523d992
commit a89f3bca50
1 changed files with 6 additions and 19 deletions
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25
pkgs/lib/options.nix
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@ -321,10 +321,10 @@ rec {
# * cfgSet[0-9]: configuration set # * cfgSet[0-9]: configuration set
# #
# merge: the function used to merge options sets. # merge: the function used to merge options sets.
# pkgs: is the set of packages available. (nixpkgs) # args: is the set of packages available. (nixpkgs)
# opts: list of option sets or option set functions. # opts: list of option sets or option set functions.
# config: result of this evaluation. # config: result of this evaluation.
fixOptionSetsFun = merge: pkgs: opts: config: fixOptionSetsFun = merge: args: opts: config:
let let
# remove possible mkIf to access the require attribute. # remove possible mkIf to access the require attribute.
noImportConditions = cfgSet0: noImportConditions = cfgSet0:
@ -335,23 +335,10 @@ rec {
cfgSet1; cfgSet1;
filenameHandler = cfg: filenameHandler = cfg:
if isPath cfg then import cfg if isPath cfg then import cfg else cfg;
else cfg;
# call configuration "files" with one of the existing convention.
argumentHandler = cfg: argumentHandler = cfg:
let applyIfFunction cfg (args // { inherit config; });
# {..}
cfg0 = cfg;
# {pkgs, config, ...}: {..}
cfg1 = cfg { inherit pkgs config merge; };
# pkgs: config: {..}
cfg2 = cfg {} {};
in
if builtins.isFunction cfg0 then
if isAttrs cfg1 then cfg1
else builtins.trace "Use '{pkgs, config, ...}:'." cfg2
else cfg0;
preprocess = cfg0: preprocess = cfg0:
let cfg1 = filenameHandler cfg0; let cfg1 = filenameHandler cfg0;
@ -381,8 +368,8 @@ rec {
) )
); );
fixOptionSets = merge: pkgs: opts: fixOptionSets = merge: args: opts:
lib.fix (fixOptionSetsFun merge pkgs opts); lib.fix (fixOptionSetsFun merge args opts);
# Generate documentation template from the list of option declaration like # Generate documentation template from the list of option declaration like