mergeOneOption

lib.mergeOneOption

Docs pulled from | This Revision | 31 minutes ago

Nixpkgs manual

Require a single definition.

Does not perform nested checks, as this does not run the merge function!

(lib.options.mergeOneOption)

Noogle detected

Aliases

lib.options.mergeOneOption

Implementation

The following is the current implementation of this function.

loc: defs:
    if length defs == 1 then
      merge loc defs
    else
      assert length defs > 1;
      throw "The option `${showOption loc}' is defined multiple times while it's expected to be unique.\n${message}\nDefinition values:${showDefs defs}\n${prioritySuggestion}"