On Tuesday 12 June 2007 03:13:17 Han-Wen Nienhuys wrote:
> Benjamin Sergeant escreveu:
> > A perforce command with all the files in the repo is generated to get
> > all the file content.
> > Here is a patch to break it into multiple successive perforce command
> > who uses 4K of parameter max, and collect the output for later.
> >
> > It works, but not for big depos, because the whole perforce depo
> > content is stored in memory in P4Sync.run(), and it looks like mine is
> > bigger than 2 Gigs, so I had to kill the process.
>
> General idea of the patch is ok. some nits:
> > + chunk = ''
> > + filedata = []
> > + for i in xrange(len(files)):
>
> why not
>
> for f in files:
>
> ?
It seems 'i' is used a bit later. Is there a nicer way to express this in
python?
> > + f = files[i]
> > + chunk += '"%s#%s" ' % (f['path'], f['rev'])
> > + if len(chunk) > 4000 or i == len(files)-1:
>
> 4k seems reasonable enough, but can you take the min() with
> os.sysconf('SC_ARG_MAX') ?
>
> Can you address this and resend so we can apply the patch?
> Thanks.
Since I ran into the very problem of a too long commandline myself yesterday I
took the liberty of adding the SC_ARG_MAX bit to Benjamin's patch and
comitting it then.
Simon
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