shelve causes "MalformedTransform: Tree transform is malformed [('missing parent', 'new-2')]"

[Chad Miller]

$ bzr shelve
--- debian/control 2013-06-21 13:21:56 +0000
+++ debian/control 2013-06-25 15:39:38 +0000
@@ -2,6 +2,7 @@
 Section: web
 Priority: optional
 Maintainer: Ubuntu Developers <email address hidden>
+XS-Testsuite: autopkgtest
 XSBC-Original-Maintainer: Micah Gersten <email address hidden>, Fabien Tassin <email address hidden>
 Vcs-Bzr: https://code.launchpad.net/~chromium-team/chromium-browser/chromium-browser.precise
 Homepage: http://code.google.com/chromium/
Shelve? ([y]es, [N]o, [f]inish, [q]uit): yes
Shelve adding file "debian/tests"? ([y]es, [N]o, [f]inish, [q]uit): yes
Shelve adding file "debian/tests/control"? ([y]es, [N]o, [f]inish, [q]uit): yes
Shelve adding file "debian/tests/webapps"? ([y]es, [N]o, [f]inish, [q]uit): yes
Selected changes:
 M debian/control
-D debian/tests/
-D debian/tests/control
-D debian/tests/webapps
Shelve 4 change(s)? ([y]es, [N]o, [f]inish, [q]uit): yes
bzr: ERROR: bzrlib.errors.MalformedTransform: Tree transform is malformed [('missing parent', 'new-2')]

Traceback (most recent call last):
  File "/usr/lib/python2.7/dist-packages/bzrlib/commands.py", line 930, in exception_to_return_code
    return the_callable(*args, **kwargs)
  File "/usr/lib/python2.7/dist-packages/bzrlib/commands.py", line 1121, in run_bzr
    ret = run(*run_argv)
  File "/usr/lib/python2.7/dist-packages/bzrlib/commands.py", line 673, in run_argv_aliases
    return self.run(**all_cmd_args)
  File "/usr/lib/python2.7/dist-packages/bzrlib/commands.py", line 697, in run
    return self._operation.run_simple(*args, **kwargs)
  File "/usr/lib/python2.7/dist-packages/bzrlib/cleanup.py", line 136, in run_simple
    self.cleanups, self.func, *args, **kwargs)
  File "/usr/lib/python2.7/dist-packages/bzrlib/cleanup.py", line 166, in _do_with_cleanups
    result = func(*args, **kwargs)
  File "/usr/lib/python2.7/dist-packages/bzrlib/builtins.py", line 6567, in run
    shelver.run()
  File "/usr/lib/python2.7/dist-packages/bzrlib/shelf_ui.py", line 218, in run
    self.message)
  File "/usr/lib/python2.7/dist-packages/bzrlib/shelf.py", line 396, in shelve_changes
    creator.transform()
  File "/usr/lib/python2.7/dist-packages/bzrlib/shelf.py", line 261, in transform
    self.work_transform.apply()
  File "/usr/lib/python2.7/dist-packages/bzrlib/transform.py", line 1719, in apply
    self._check_malformed()
  File "/usr/lib/python2.7/dist-packages/bzrlib/transform.py", line 555, in _check_malformed
    raise MalformedTransform(conflicts=conflicts)
MalformedTransform: Tree transform is malformed [('missing parent', 'new-2')]

bzr 2.6.0dev3 on python 2.7.4 (Linux-3.8.0-23-generic-i686-with-
    Ubuntu-13.04-raring)
arguments: ['/usr/bin/bzr', 'shelve']
plugins: bash_completion[2.6.0dev3], builddeb[2.7.0dev], bzrtools[2.5.0],
    changelog_merge[2.6.0dev3], dbus[0.1.0dev], difftools[unknown],
    extmerge[unknown], grep[2.6.0dev3], gtk[0.104.0dev], launchpad[2.6.0dev3],
    netrc_credential_store[2.6.0dev3], news_merge[2.6.0dev3], pipeline[1.1.0],
    po_merge[2.6.0dev3], pqm[1.4.0dev], rewrite[0.6.4dev], stats[0.2.0dev],
    svn[1.2.1], weave_fmt[2.6.0dev3]
encoding: 'utf-8', fsenc: 'UTF-8', lang: 'en_US.UTF-8'

[Chucky (lechuck)]

Duplicate of 1175462 (but I can't tell it to launchpad)