UnicodeDecodeError: 'utf8' codec can't decode byte 0xca in position 8: invalid continuation byte

[Ryan J Ollos]

Encountered this error while running trac-admin $env repository resync "(default)":

2016-01-19 00:21:23,635 Trac[console] ERROR: Exception in trac-admin command: 
Traceback (most recent call last):
  File "/var/www/bugs.jqueryui.com/private/pve/local/lib/python2.7/site-packages/trac/admin/console.py", line 109, in onecmd
    rv = cmd.Cmd.onecmd(self, line) or 0
  File "/usr/lib/python2.7/cmd.py", line 220, in onecmd
    return self.default(line)
  File "/var/www/bugs.jqueryui.com/private/pve/local/lib/python2.7/site-packages/trac/admin/console.py", line 287, in default
    return self.cmd_mgr.execute_command(*args)
  File "/var/www/bugs.jqueryui.com/private/pve/local/lib/python2.7/site-packages/trac/admin/api.py", line 127, in execute_command
    return f(*fargs)
  File "/var/www/bugs.jqueryui.com/private/pve/local/lib/python2.7/site-packages/trac/versioncontrol/admin.py", line 156, in _do_resync
    self._sync(reponame, rev, clean=True)
  File "/var/www/bugs.jqueryui.com/private/pve/local/lib/python2.7/site-packages/trac/versioncontrol/admin.py", line 143, in _sync
    repos.sync(self._sync_feedback, clean=clean)
  File "/var/www/bugs.jqueryui.com/private/pve/local/lib/python2.7/site-packages/tracopt/versioncontrol/git/git_fs.py", line 141, in sync
    self._insert_changeset(db, rev, cset)
  File "/var/www/bugs.jqueryui.com/private/pve/local/lib/python2.7/site-packages/trac/versioncontrol/cache.py", line 285, in _insert_changeset
    for path, kind, action, bpath, brev in cset.get_changes():
  File "/var/www/bugs.jqueryui.com/private/pve/local/lib/python2.7/site-packages/tracopt/versioncontrol/git/git_fs.py", line 851, in get_changes
    self.repos.git.diff_tree(parent, self.rev, find_renames=True):
  File "/var/www/bugs.jqueryui.com/private/pve/local/lib/python2.7/site-packages/tracopt/versioncontrol/git/PyGIT.py", line 1044, in diff_tree
    yield __chg_tuple()
  File "/var/www/bugs.jqueryui.com/private/pve/local/lib/python2.7/site-packages/tracopt/versioncontrol/git/PyGIT.py", line 1036, in __chg_tuple
    chg[5] = self._fs_to_unicode(chg[5])
  File "/var/www/bugs.jqueryui.com/private/pve/local/lib/python2.7/site-packages/tracopt/versioncontrol/git/PyGIT.py", line 380, in <lambda>
    self._fs_to_unicode = lambda s: s.decode(git_fs_encoding)
  File "/var/www/bugs.jqueryui.com/private/pve/lib/python2.7/encodings/utf_8.py", line 16, in decode
    return codecs.utf_8_decode(input, errors, True)
UnicodeDecodeError: 'utf8' codec can't decode byte 0xca in position 8: invalid continuation byte

I'll post more info if I can reproduce at a different debug level.