Breezy crashes on a change to submodule

[Marcin Owsiany]

I'm trying to run silver-platter to propose a simple bump to a git submodule of a repo.

Unfortunately the Python breezy library does not seem to support it and crashes as in the stack trace below

I'm using python3-breezy debian package version 3.0.2-5+b1
I did see pad.lv/1804830 which mentions pad.lv/402814 but these seem fixed?

Traceback (most recent call last):
  File "/usr/bin/svp", line 11, in <module>
    load_entry_point('silver-platter==0.3.0', 'console_scripts', 'svp')()
  File "/usr/lib/python3/dist-packages/silver_platter/__main__.py", line 123, in main
    return callbacks[args.subcommand](args)
  File "/usr/lib/python3/dist-packages/silver_platter/run.py", line 182, in main
    publish_result = publish_changes(
  File "/usr/lib/python3/dist-packages/silver_platter/proposal.py", line 523, in publish_changes
    (proposal, is_new) = ws.propose(
  File "/usr/lib/python3/dist-packages/silver_platter/proposal.py", line 371, in propose
    return propose_changes(
  File "/usr/lib/python3/dist-packages/silver_platter/proposal.py", line 614, in propose_changes
    check_proposal_diff(local_branch, main_branch)
  File "/usr/lib/python3/dist-packages/silver_platter/proposal.py", line 574, in check_proposal_diff
    with tree_merger.make_preview_transform() as tt:
  File "/usr/lib/python3/dist-packages/breezy/merge.py", line 789, in make_preview_transform
    self._compute_transform()
  File "/usr/lib/python3/dist-packages/breezy/merge.py", line 794, in _compute_transform
    entries = self._entries3()
  File "/usr/lib/python3/dist-packages/breezy/merge.py", line 866, in _entries3
    this_executable = this_entry.executable
AttributeError: 'GitTreeSubmodule' object has no attribute 'executable'

[Jelmer Vernooij (jelmer)]

Thanks for the bug report. This should be fixed in the 3.1 series. We've just released 3.1 alpha 1 two days ago, and are hoping that 3.1.0 will make it into the Debian archive in the next couple of weeks.