Re: [viewvc-users] ViewVC CVS diff displays No changes instead of diff

Hi Michael,

Actually I am a bit embarrassed because of this issue. I had an RCS 
package compiled on the server, but the diff did not work, so I have 
compiled the rcs 5.8 again, I replaced my old rcs, but the diff still did 
not work from ViewVC, although the command line diff worked perfectly. I 
suspected it to be some parameters, which is not compatible with the new 
RCS, therefore I wanted to debug the rcs arguments in ViewVC. The debug 
showed me that the arguments are perfect, but something in the chain is 
not. Since I use the standalone server (no Apache, cgi, etc), my suspicion 
got on the browser. Clearing all cache in IE7 (company browser, not my 
free choice) the diff started to work fine. So actually my problem was 
related to the IE7 cache and not to ViewVC. The only enhancement I would 
propose is to disable cache on code view and diff pages, although caching 
problems should occur rarely if the source control system is used 
properly.

Kind Regards and thanks again for your help

Zoltan



From:   "C. Michael Pilato" <[email protected]>
To:     <[email protected]>, 
Cc:     <[email protected]>
Date:   09/07/2012 14:49
Subject:        Re: [viewvc-users] ViewVC CVS diff displays No changes 
instead of diff



Glad that the debugging trick worked out for you.

Are you able to share the source of the problem so that others who might
experience the same thing know where to look?  Is there a bug in ViewVC 
that
needs to be addressed?


On 07/09/2012 03:54 AM, [email protected] wrote:
> Hi Michael,
> 
> Many thanks for your tips, I have cornered the problem, the debug logs
> worked fine.
> 
> Kind Regards,
> 
> Zoltan
> 
> 
> 
> From:        "C. Michael Pilato" <[email protected]>
> To:        Zoltan Csoka <[email protected]>,
> Cc:        <[email protected]>
> Date:        06/07/2012 17:45
> Subject:        Re: [viewvc-users] ViewVC CVS diff displays No changes
> instead of diff
> 
----------------------------------------------------------------------------
> 
> 
> 
> On 07/06/2012 04:35 AM, Zoltan Csoka wrote:
> 
>> I tried to put print statements (and later file write ones) to the
>> lib/vclib/__init__.py where the "def _diff_args(type, options)" is to
>> print out the rcsdiff arguments to be able to compare it to the command
>> line ones, but those printouts were ignored and no output was written
> 
> I would play around in 
lib/vclib/ccvs/bincvs.py:BinCVSRepository.rawdiff()
> using some file-based debugging statements such as:
> 
>   open('/path/to/debug/logfile', 'a').write("This is a debug 
statement\n")
> 
> For example, you might add the line below (which appends a stringified 
form
> of the list "args" to a file):
> 
>    open('/tmp/VIEWVCLOG', 'a').write(str(args) + "\n")
> 
> just before this statement in the function:
> 
>    fp = self.rcs_popen('rcsdiff', args, 'rt')
> 
> When I do so and then view a CVS diff, the file /tmp/VIEWVCLOG is 
created
> (if it didn't already exist), and the following line is appended to it:
> 
>   ['-u', '-r1.10', '-r1.11', '/usr/local/cvs/ViewCVS/viewcvs/CHANGES,v']
> 
> Be aware that if you're running ViewVC under mod_python or mod_wsgi, you
> might have to restart your web server every time you make a change to a
> Python module in order for your new code to get executed.
> 
> -- 
> C. Michael Pilato <[email protected]>
> CollabNet   <>   www.collab.net  <>   Enterprise Cloud Development
> 
> 
> 
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> 
> 
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-- 
C. Michael Pilato <[email protected]>
CollabNet   <>   www.collab.net   <>   Enterprise Cloud Development



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