Missing openSUSE-leap support

I tried to deploy an openSUSE image[1] and Curtin failed with the message below. This seems to be because /etc/os-release shows the ID as 'opensuse-leap'. Curtin should add support for opensuse-leap or alternatively process ID_LIKE when ID isn't found.

finish: cmd-install/stage-curthooks/builtin/cmd-curthooks: FAIL: curtin command curthooks
Traceback (most recent call last):
  File "/curtin/curtin/commands/main.py", line 202, in main
    ret = args.func(args)
  File "/curtin/curtin/commands/curthooks.py", line 1442, in curthooks
    builtin_curthooks(cfg, target, state)
  File "/curtin/curtin/commands/curthooks.py", line 1259, in builtin_curthooks
    distro_info = distro.get_distroinfo(target=target)
  File "/curtin/curtin/distro.py", line 117, in get_distroinfo
    variant = name_to_distro(variant_name)
  File "/curtin/curtin/distro.py", line 56, in name_to_distro
    return DISTROS[DISTROS.index(distname)]
ValueError: tuple.index(x): x not in tuple
tuple.index(x): x not in tuple
curtin: Installation failed with exception: Unexpected error while running command.
Command: ['curtin', 'curthooks']
Exit code: 3
Reason: -
Stdout: start: cmd-install/stage-curthooks/builtin/cmd-curthooks: curtin command curthooks
        Running curtin builtin curthooks
        finish: cmd-install/stage-curthooks/builtin/cmd-curthooks: FAIL: curtin command curthooks
        Traceback (most recent call last):
          File "/curtin/curtin/commands/main.py", line 202, in main
            ret = args.func(args)
          File "/curtin/curtin/commands/curthooks.py", line 1442, in curthooks
            builtin_curthooks(cfg, target, state)
          File "/curtin/curtin/commands/curthooks.py", line 1259, in builtin_curthooks
            distro_info = distro.get_distroinfo(target=target)
          File "/curtin/curtin/distro.py", line 117, in get_distroinfo
            variant = name_to_distro(variant_name)
          File "/curtin/curtin/distro.py", line 56, in name_to_distro
            return DISTROS[DISTROS.index(distname)]
        ValueError: tuple.index(x): x not in tuple
        tuple.index(x): x not in tuple

[1] https://download.opensuse.org/repositories/Cloud:/Images:/Leap_15.1/images/