Re: segfault when reverse merging in trunk

On Fri, Mar 15, 2013 at 1:52 PM, Stefan Küng <tortoisesvn_at_gmail.com> wrote:
> On 15.03.2013 18:46, Paul Burba wrote:
>>
>> On Fri, Mar 15, 2013 at 1:23 PM, Stefan Küng <tortoisesvn_at_gmail.com>
>> wrote:
>>>
>>> Hi,
>>>
>>> using a build from todays trunk:
>>>
>>> $ svn co http://tortoisesvn.googlecode.com/svn/trunk/contrib/diff-scripts
>>> wc
>>> $ cd wc
>>> $ svn merge -r23995:23994
>>>
>>> http://tortoisesvn.googlecode.com/svn/trunk/contrib/diff-scripts/diff-doc.js
>>> diff-doc.js
>>>
>>> this segfaults in libsvn_client/merge.c, line 7407 because 'merge_target'
>>> is
>>> NULL.
>>
>>
>> Hi Stefan,
>>
>> I cannot replicate this with ^/subversion/trunk_at_1457030. Exactly what
>> revision are you building?
>>
>> C:\SVN>svn --version
>> svn, version 1.8.0-dev (under development)
>> compiled Mar 14 2013, 16:57:07 on x86/x86_64-microsoft-windows6.1.7601
>>
>> Copyright (C) 2013 The Apache Software Foundation.
>> This software consists of contributions made by many people;
>> see the NOTICE file for more information.
>> Subversion is open source software, see http://subversion.apache.org/
>>
>> The following repository access (RA) modules are available:
>>
>> * ra_svn : Module for accessing a repository using the svn network
>> protocol.
>> - handles 'svn' scheme
>> * ra_local : Module for accessing a repository on local disk.
>> - handles 'file' scheme
>> * ra_serf : Module for accessing a repository via WebDAV protocol using
>> serf.
>> - handles 'http' scheme
>> - handles 'https' scheme
>>
>>
>> C:\SVN>svn co
>> http://tortoisesvn.googlecode.com/svn/trunk/contrib/diff-scripts
>> wc
>> A wc\diff-sxw.vbs
>> A wc\diff-ppt.js
>> A wc\diff-odt.vbs
>> A wc\diff-doc.js
>> A wc\diff-xls.js
>> A wc\diff-dll.vbs
>> A wc\merge-ods.vbs
>> A wc\Readme.txt
>> A wc\merge-doc.js
>> A wc\diff-nb.vbs
>> U wc
>> Checked out revision 23999.
>>
>> C:\SVN>cd wc
>>
>> C:\SVN\wc>svn merge -r23995:23994
>>
>> http://tortoisesvn.googlecode.com/svn/trunk/contrib/diff-scripts/diff-doc.js
>> diff-doc.js
>> --- Reverse-merging r23995 into 'diff-doc.js':
>> C diff-doc.js
>> --- Recording mergeinfo for reverse merge of r23995 into 'diff-doc.js':
>> G diff-doc.js
>> --- Eliding mergeinfo from 'diff-doc.js':
>> U diff-doc.js
>> Summary of conflicts:
>> Text conflicts: 1
>> Conflict discovered in file 'diff-doc.js'.
>> Select: (p) postpone, (df) diff-full, (e) edit, (m) merge,
>> (mc) mine-conflict, (tc) theirs-conflict, (s) show all options: p
>
>
> Ups, sorry about that. There were some commits to that folder in the mean
> time, so it doesn't crash anymore with this merge command.
>
> Try this instead:
> $ svn merge -r24000:23999
> http://tortoisesvn.googlecode.com/svn/trunk/contrib/diff-scripts/diff-xls.js
> diff-xls.js
>
> seems you have to reverse-merge the latest revision.

Hmmm, I still can't replicate:

C:\SVN>svn co http://tortoisesvn.googlecode.com/svn/trunk/contrib/diff-scripts
diff-scripts-1.8-dev
A diff-scripts-1.8-dev\diff-sxw.vbs
A diff-scripts-1.8-dev\diff-ppt.js
A diff-scripts-1.8-dev\diff-odt.vbs
A diff-scripts-1.8-dev\diff-doc.js
A diff-scripts-1.8-dev\diff-xls.js
A diff-scripts-1.8-dev\diff-dll.vbs
A diff-scripts-1.8-dev\merge-ods.vbs
A diff-scripts-1.8-dev\Readme.txt
A diff-scripts-1.8-dev\merge-doc.js
A diff-scripts-1.8-dev\diff-nb.vbs
 U diff-scripts-1.8-dev
Checked out revision 24001.

C:\SVN>cd diff-scripts-1.8-dev

C:\SVN\diff-scripts-1.8-dev>svn merge -r24000:23999
http://tortoisesvn.googlecode.com/svn/trunk/contrib/diff-scripts/diff-xls.js
diff-xls.js
--- Reverse-merging r24000 into 'diff-xls.js':
U diff-xls.js
--- Recording mergeinfo for reverse merge of r24000 into 'diff-xls.js':
 G diff-xls.js
--- Eliding mergeinfo from 'diff-xls.js':
 U diff-xls.js

C:\SVN\diff-scripts-1.8-dev>svn log -rHEAD:0 -v --limit 1 diff-xls.js
------------------------------------------------------------------------
r24000 | XhmikosR | 2013-03-15 13:43:59 -0400 (Fri, 15 Mar 2013) | 1 line
Changed paths:
   M /trunk/contrib/diff-scripts/diff-xls.js

diff-xls.js: fix typo in comment
------------------------------------------------------------------------

C:\SVN\diff-scripts-1.8-dev>

-- 
Paul T. Burba
CollabNet, Inc. -- www.collab.net -- Enterprise Cloud Development
Skype: ptburba