[Pkg-bazaar-maint] Bug#912102: breezy: autopkgtest regression

[Paul Gevers]

Source: breezy
Version: 3.0.0~bzr7141-2
X-Debbugs-CC: debian-ci at lists.debian.org
User: debian-ci at lists.debian.org
Usertags: regression

Dear maintainers,

With a recent upload of breezy the autopkgtest of breezy fails in
testing when that autopkgtest is run with the binary packages of breezy
from unstable. It passes when run with only packages from testing. In
tabular form:
                       pass            fail
breezy                 from testing    3.0.0~bzr7141-2
all others             from testing    from testing

I copied some of the output at the bottom of this report.

Currently this regression is contributing to the delay of the migration
to testing [1]. Can you please investigate the situation and fix it? If
needed, please change the bug's severity.

More information about this bug and the reason for filing it can be found on
https://wiki.debian.org/ContinuousIntegration/RegressionEmailInformation

Paul

[1] https://qa.debian.org/excuses.php?package=breezy

https://ci.debian.net/data/autopkgtest/testing/amd64/b/breezy/1215876/log.gz


======================================================================
ERROR: breezy.tests.test_diff.TestDiffFromTool.test_execute
----------------------------------------------------------------------
Traceback (most recent call last):
testtools.testresult.real._StringException: Empty attachments:
  log

Traceback (most recent call last):
  File "/usr/lib/python3/dist-packages/breezy/diff.py", line 753, in
_execute
    cwd=self._root)
  File "/usr/lib/python3.6/subprocess.py", line 709, in __init__
    restore_signals, start_new_session)
  File "/usr/lib/python3.6/subprocess.py", line 1344, in _execute_child
    raise child_exception_type(errno_num, err_msg, err_filename)
FileNotFoundError: [Errno 2] No such file or directory: 'python': 'python'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/lib/python3/dist-packages/breezy/tests/test_diff.py", line
1437, in test_execute
    diff_obj._execute('old', 'new')
  File "/usr/lib/python3/dist-packages/breezy/diff.py", line 756, in
_execute
    raise errors.ExecutableMissing(command[0])
breezy.errors.ExecutableMissing: python could not be found on this machine

======================================================================
FAIL: breezy.tests.test_mergetools.TestCheckAvailability.test_exe_on_path
----------------------------------------------------------------------
Traceback (most recent call last):
testtools.testresult.real._StringException: Empty attachments:
  log

Traceback (most recent call last):
  File "/usr/lib/python3/dist-packages/breezy/tests/test_mergetools.py",
line 82, in test_exe_on_path
    self.assertTrue(mergetools.check_availability('python'))
  File "/usr/lib/python3/dist-packages/unittest2/case.py", line 702, in
assertTrue
    raise self.failureException(msg)
AssertionError: False is not true

----------------------------------------------------------------------
Ran 26921 tests in 1149.566s

FAILED (failures=1, errors=1, known_failure_count=64)
2930 tests skipped

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