gitlabhq/db/fixtures/development/001_admin.rb

unless User.count > 0
  admin = User.create(
    email: "admin@local.host",
    name: "Administrator",
    username: 'root',
    password: "5iveL!fe",
    password_confirmation: "5iveL!fe"
  )

  admin.projects_limit = 10000
  admin.admin = true
  admin.save!

  if admin.valid?
    puts %q[
    Administrator account created:

    login.........admin@local.host
    password......5iveL!fe
    ]
  end
end