class vcs {
    @package { [
            "mercurial",
            "git"
        ]:
        ensure => installed
    }
    @package { 'mercurial-keyring':
        ensure => installed,
        provider => 'pip',
    }
}

class vcs::client inherits vcs {
	realize(Package["mercurial"],
		Package["mercurial-keyring"],
		Package["git"])
}

class vcs::server inherits vcs {
	realize(Package["mercurial"],
		Package["git"])
}