module Octokit::Client::Refs

def create_ref(repo, ref, sha, options = {})
  ref = "refs/#{ref}" unless ref =~ %r{\Arefs/}
  parameters = {
    ref: ref,
    sha: sha
  }
  post "#{Repository.path repo}/git/refs", options.merge(parameters)
end

def delete_branch(repo, branch, options = {})
  delete_ref repo, "heads/#{branch}", options
end

def delete_ref(repo, ref, options = {})
  boolean_from_response :delete, "#{Repository.path repo}/git/refs/#{ref}", options
end

def matching_refs(repo, ref, options = {})
  paginate "#{Repository.path repo}/git/matching-refs/#{ref}", options
end

def ref(repo, ref, options = {})
  get "#{Repository.path repo}/git/refs/#{ref}", options
end

def refs(repo, namespace = nil, options = {})
  path = "#{Repository.path repo}/git/refs"
  path += "/#{namespace}" unless namespace.nil?
  paginate path, options
end

def update_branch(repo, branch, sha, force = true, options = {})
  update_ref repo, "heads/#{branch}", sha, force, options
end

def update_ref(repo, ref, sha, force = false, options = {})
  parameters = {
    sha: sha,
    force: force
  }
  patch "#{Repository.path repo}/git/refs/#{ref}", options.merge(parameters)
end