Add support for --version to lxc-ls and lxc-device

src/lxc/lxc-device

@@ -45,6 +45,8 @@ parser.add_argument("-n", dest="container", metavar="CONTAINER",
 parser.add_argument("-P", "--lxcpath", dest="lxcpath", metavar="PATH",
                     help=_("Use specified container path"), default=None)
 
+parser.add_argument("--version", action="version", version=lxc.version)
+
 # Commands
 subparsers = parser.add_subparsers()
 subparser_add = subparsers.add_parser('add', help=_('Add a device'))

src/lxc/lxc-ls.in

@@ -156,6 +156,8 @@ parser.add_argument("--nesting", dest="nesting", action="store_true",
 parser.add_argument("filter", metavar='FILTER', type=str, nargs="?",
                     help=_("regexp to be applied on the container list"))
 
+parser.add_argument("--version", action="version", version=lxc.version)
+
 args = parser.parse_args()
 
 # --active is the same as --running --frozen