Method: Pod::Dependency#merge

Defined in:
lib/cocoapods-core/dependency.rb

#merge(other) ⇒ Dependency

Note:

If one of the dependencies specifies an external source or is head, the resulting dependency preserves this attributes.

Merges the version requirements of the dependency with another one.

Parameters:

  • the other dependency to merge with.

Returns:

  • a dependency (not necessarily a new instance) that also includes the version requirements of the given one.



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# File 'lib/cocoapods-core/dependency.rb', line 237

def merge(other)
  unless name == other.name
    raise ArgumentError, "#{self} and #{other} have different names"
  end

  default   = Requirement.default
  self_req  = requirement
  other_req = other.requirement

  req = if other_req == default
          self_req
        elsif self_req == default
          other_req
        else
          self_req.as_list.concat(other_req.as_list)
        end

  opts = {}

  if external_source || other.external_source
    opts.
      merge!(external_source || {}).
      merge!(other.external_source || {})

    req_to_set = req
    req = []
  end

  if podspec_repo && other.podspec_repo && podspec_repo != other.podspec_repo
    raise ArgumentError, "#{self} and #{other} have different podspec repos"
  end

  if repo = podspec_repo || other.podspec_repo
    opts[:source] = repo
  end

  self.class.new(name, *req, opts).tap do |dep|
    dep.instance_variable_set(:@requirement, Requirement.create(req_to_set)) if req_to_set
  end
end