Bug#875280: diffoscope: ValueError: Unable to parse diff headers

[Mattia Rizzolo]

Package: diffoscope
Version: 86
Severity: important

seen with python2.7/unstable/i386 in our test infra:

Sun Sep 10 01:05:13 UTC 2017  I: diffoscope 86 will be used to compare the two builds:
Traceback (most recent call last):
  File "/usr/lib/python3/dist-packages/diffoscope/main.py", line 401, in main
    sys.exit(run_diffoscope(parsed_args))
  File "/usr/lib/python3/dist-packages/diffoscope/main.py", line 374, in run_diffoscope
    difference = compare_root_paths(path1, path2)
  File "/usr/lib/python3/dist-packages/diffoscope/comparators/utils/compare.py", line 64, in compare_root_paths
    return compare_files(file1, file2)
  File "/usr/lib/python3/dist-packages/diffoscope/comparators/utils/compare.py", line 95, in compare_files
    return file1.compare(file2, source)
  File "/usr/lib/python3/dist-packages/diffoscope/comparators/debian.py", line 182, in compare
    differences = super().compare(other, *args, **kwargs)
  File "/usr/lib/python3/dist-packages/diffoscope/comparators/utils/file.py", line 300, in compare
    difference = self._compare_using_details(other, source)
  File "/usr/lib/python3/dist-packages/diffoscope/comparators/utils/file.py", line 255, in _compare_using_details
    details.extend(self.as_container.compare(other.as_container, no_recurse=no_recurse))
  File "/usr/lib/python3/dist-packages/diffoscope/comparators/utils/container.py", line 164, in compare_pair
    difference = compare_files(file1, file2, source=None, diff_content_only=no_recurse)
  File "/usr/lib/python3/dist-packages/diffoscope/comparators/utils/compare.py", line 95, in compare_files
    return file1.compare(file2, source)
  File "/usr/lib/python3/dist-packages/diffoscope/comparators/utils/file.py", line 300, in compare
    difference = self._compare_using_details(other, source)
  File "/usr/lib/python3/dist-packages/diffoscope/comparators/utils/file.py", line 255, in _compare_using_details
    details.extend(self.as_container.compare(other.as_container, no_recurse=no_recurse))
  File "/usr/lib/python3/dist-packages/diffoscope/comparators/utils/container.py", line 164, in compare_pair
    difference = compare_files(file1, file2, source=None, diff_content_only=no_recurse)
  File "/usr/lib/python3/dist-packages/diffoscope/comparators/utils/compare.py", line 95, in compare_files
    return file1.compare(file2, source)
  File "/usr/lib/python3/dist-packages/diffoscope/comparators/utils/file.py", line 300, in compare
    difference = self._compare_using_details(other, source)
  File "/usr/lib/python3/dist-packages/diffoscope/comparators/utils/file.py", line 255, in _compare_using_details
    details.extend(self.as_container.compare(other.as_container, no_recurse=no_recurse))
  File "/usr/lib/python3/dist-packages/diffoscope/comparators/utils/container.py", line 164, in compare_pair
    difference = compare_files(file1, file2, source=None, diff_content_only=no_recurse)
  File "/usr/lib/python3/dist-packages/diffoscope/comparators/utils/compare.py", line 95, in compare_files
    return file1.compare(file2, source)
  File "/usr/lib/python3/dist-packages/diffoscope/comparators/utils/file.py", line 300, in compare
    difference = self._compare_using_details(other, source)
  File "/usr/lib/python3/dist-packages/diffoscope/comparators/utils/file.py", line 255, in _compare_using_details
    details.extend(self.as_container.compare(other.as_container, no_recurse=no_recurse))
  File "/usr/lib/python3/dist-packages/diffoscope/comparators/utils/container.py", line 164, in compare_pair
    difference = compare_files(file1, file2, source=None, diff_content_only=no_recurse)
  File "/usr/lib/python3/dist-packages/diffoscope/comparators/utils/compare.py", line 95, in compare_files
    return file1.compare(file2, source)
  File "/usr/lib/python3/dist-packages/diffoscope/comparators/utils/file.py", line 300, in compare
    difference = self._compare_using_details(other, source)
  File "/usr/lib/python3/dist-packages/diffoscope/comparators/utils/file.py", line 255, in _compare_using_details
    details.extend(self.as_container.compare(other.as_container, no_recurse=no_recurse))
  File "/usr/lib/python3/dist-packages/diffoscope/comparators/utils/container.py", line 164, in compare_pair
    difference = compare_files(file1, file2, source=None, diff_content_only=no_recurse)
  File "/usr/lib/python3/dist-packages/diffoscope/comparators/utils/compare.py", line 95, in compare_files
    return file1.compare(file2, source)
  File "/usr/lib/python3/dist-packages/diffoscope/comparators/elf.py", line 321, in compare
    command_args=[self._name],
  File "/usr/lib/python3/dist-packages/diffoscope/difference.py", line 237, in from_command
    **kwargs
  File "/usr/lib/python3/dist-packages/diffoscope/difference.py", line 158, in from_feeder
    unified_diff = diff(feeder1, feeder2)
  File "/usr/lib/python3/dist-packages/diffoscope/diff.py", line 252, in diff
    return run_diff(fifo1_path, fifo2_path, fifo1.end_nl_q, fifo2.end_nl_q)
  File "/usr/lib/python3/dist-packages/diffoscope/tools.py", line 87, in tool_check
    return fn(*args, **kwargs)
  File "/usr/lib/python3/dist-packages/diffoscope/diff.py", line 175, in run_diff
    parser.parse()
  File "/usr/lib/python3/dist-packages/diffoscope/diff.py", line 71, in parse
    self._action = self._action(line.decode('utf-8', errors='replace'))
  File "/usr/lib/python3/dist-packages/diffoscope/diff.py", line 90, in read_headers
    raise ValueError('Unable to parse diff headers: %r' % line)
ValueError: Unable to parse diff headers: 'diff: error while loading shared libraries: libc.so.6: cannot open shared object file: No such file or directory\n'


-- 
regards,
                        Mattia Rizzolo

GPG Key: 66AE 2B4A FCCF 3F52 DA18  4D18 4B04 3FCD B944 4540      .''`.
more about me:  https://mapreri.org                             : :'  :
Launchpad user: https://launchpad.net/~mapreri                  `. `'`
Debian QA page: https://qa.debian.org/developer.php?login=mattia  `-
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