cvs2svn.py creating empty txn's

Hello,

We've got a CVS repository that generates this empty txn:

Revision-number: 13
Prop-content-length: 164
Content-length: 164

K 7
svn:log
V 62
This commit was manufactured by cvs2svn to create branch 'AM'.
K 10
svn:author
V 7
unknown
K 8
svn:date
V 27
2003-09-10T20:10:57.000000Z
PROPS-END

Revision-number: 14
Prop-content-length: 163
Content-length: 163

I caught this because mailer.py HEAD was generating this error:

% /tmp/mailer.py repos2 13 /tmp/mailer.conf.test
Traceback (most recent call last):
  File "/tmp/mailer.py", line 804, in ?
    svn.util.run_app(main, config_fname, repos_dir, revision)
  File "/opt/i386-linux/installed/subversion-0.29.0/lib/svn-python/svn/core.py",
    line 33, in run_app
  File "/tmp/mailer.py", line 58, in main
    output = determine_output(cfg, repos, changelist)
  File "/tmp/mailer.py", line 70, in determine_output
    return cls(cfg, repos, changelist)
  File "/tmp/mailer.py", line 242, in __init__
    MailedOutput.__init__(self, cfg, repos, changelist)
  File "/tmp/mailer.py", line 98, in __init__
    common = string.split(dirlist.pop(), '/')
IndexError: pop from empty list

The svnload load input shows this:

------- Committed revision 12 >>>

<<< Started new txn, based on original revision 13

------- Committed revision 13 >>>

and looking at cvs2svn.py output:

    new revision: 12
Finishing branches:
finishing 'AM_1' as branch
finishing 'AM' as branch
Finishing tags:
finishing 'AM_1' as tag
finishing 'AM' as tag
12 commits processed.
----- pass 5 -----
pass 1: 0 seconds
pass 2: 0 seconds
pass 3: 0 seconds
pass 4: 0 seconds
pass 5: 0 seconds
 total: 0 seconds

I could potentially supply a portion of the repository that generates
this problem, but it would take a little work. Let me know.

In the mean time, does anybody think there's an easy bug to fix?
There may be a simple test that could be added to cvs2svn.py to
not make a tag or branch unless there's something actually being
tagged or branched.

Best,
Blair

-- 
Blair Zajac <blair@orcaware.com>
Plots of your system's performance - http://www.orcaware.com/orca/
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