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Strictly check the arguments to mkOption

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And fix various instances of bad arguments.
This commit is contained in:
Eelco Dolstra 2013-10-30 15:33:20 +01:00
parent db2a9afb75
commit 70a2c54527
9 changed files with 45 additions and 39 deletions
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23
lib/options.nix
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@ -11,17 +11,18 @@ with import ./strings.nix;
rec {
isOption = lib.isType "option";
mkOption = attrs: attrs // {
_type = "option";
# name (this is the name of the attributem it is automatically generated by the traversal)
# default (value used when no definition exists)
# example (documentation)
# description (documentation)
# type (option type, provide a default merge function and ensure type correctness)
# merge (function used to merge definitions into one definition: [ /type/ ] -> /type/)
# apply (convert the option value to ease the manipulation of the option result)
# options (set of sub-options declarations & definitions)
};
mkOption =
{ default ? null # Default value used when no definition is given in the configuration.
, defaultText ? null # Textual representation of the default, for in the manual.
, example ? null # Example value used in the manual.
, description ? null # String describing the option.
, type ? null # Option type, providing type-checking and value merging.
, apply ? null # Function that converts the option value to something else.
, internal ? null # Whether the option is for NixOS developers only.
, visible ? null # Whether the option shows up in the manual.
, options ? null # Obsolete, used by types.optionSet.
} @ attrs:
attrs // { _type = "option"; };
mkEnableOption = name: mkOption {
default = false;