Choke on checkout of scmsync-enabled package

[jengelh]

Versions

• Operating system: openSUSE Tumbleweed amd64 20250103
• Packages: osc-1.10.1-1.1.noarch

To Reproduce
Steps to reproduce the behavior:

1. Run command osc co multimedia:libs/ffmpeg-5
2. See error

Traceback (most recent call last):
  File "/usr/bin/osc", line 33, in <module>
    sys.exit(load_entry_point('osc==1.10.1', 'console_scripts', 'osc')())
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/lib/python3.11/site-packages/osc/babysitter.py", line 227, in main
    sys.exit(run(commandline.OscMainCommand()))
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/lib/python3.11/site-packages/osc/babysitter.py", line 70, in run
    prg.main(argv)
  File "/usr/lib/python3.11/site-packages/osc/commandline.py", line 296, in main
    exit_code = cmd.run(args)
                ^^^^^^^^^^^^^
  File "/usr/lib/python3.11/site-packages/osc/commandline_common.py", line 214, in run
    return cmd.run(args)
           ^^^^^^^^^^^^^
  File "/usr/lib/python3.11/site-packages/osc/commandline.py", line 240, in run
    return self.func(args.command, args, *args.positional_args)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/lib/python3.11/site-packages/osc/commandline.py", line 5104, in do_checkout
    checkout_package(apiurl, project, package, rev, expand_link=expand_link,
  File "/usr/lib/python3.11/site-packages/osc/core.py", line 3165, in checkout_package
    scmsync_obsinfo = ScmsyncObsinfo.from_api(apiurl, project, package, rev=revision)
                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/lib/python3.11/site-packages/osc/obs_api/scmsync_obsinfo.py", line 56, in from_api
    return cls.from_file(response)
           ^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/lib/python3.11/site-packages/osc/obs_api/scmsync_obsinfo.py", line 38, in from_file
    return cls.from_string(data)
           ^^^^^^^^^^^^^^^^^^^^^
  File "/usr/lib/python3.11/site-packages/osc/obs_api/scmsync_obsinfo.py", line 28, in from_string
    return cls(**kwargs)
           ^^^^^^^^^^^^^
  File "/usr/lib/python3.11/site-packages/osc/util/models.py", line 405, in __init__
    raise TypeError(
TypeError: The following fields of 'ScmsyncObsinfo' object are not initialized and have no default either: 'revision'

Expected behavior

Succeed; or tell the user how to add the "revision" field and what it should contain.

Additional info

$ osc cat multimedia:libs/ffmpeg-5/_scmsync.obsinfo
mtime: 1726540366
commit: 32ade1364a64337cc79a9b987d6f14d1f98d7d2d997f3c40984921e41d43da3c
url: https://src.opensuse.org/jengelh/ffmpeg-5.git
$ osc cat multimedia:libs/ffmpeg-4/_scmsync.obsinfo
mtime: 1736168221
commit: 52f36ca5b3383586c1ae8abf1b64353de97005272d185339a0eca858376b3ac2
url: https://src.opensuse.org/jengelh/ffmpeg-4
revision: master

So apparently there is no #branch marker in the <scmsync> line of the pkgmeta, but IMO it should just pull the default branch from git then.

[dmach]

This is something I probably addressed in #1690 already.
Could you check if the latest osc shows the same behavior?

As far I can tell, osc co multimedia:libs/ffmpeg-5 works fine for me now.