Re: old but persistent problem: bad line length character

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On Tue, Jun 07, 2011 at 06:33:07PM +0200, Peter Kleiweg wrote:

> I get this error message with git version 1.7.5.GIT: 
> 
>     fatal: protocol error: bad line length character:
> 
> Git version 1.4.4.4 works fine.

I can't reproduce the problem here.  Can you try bisecting to find the
commit that introduces the problem?

> How do bugs in Git get solved? I can't find an issue tracker. 

You send an email to the mailing list and people work on it. :)

> Details:
> 
> $ export GIT_TRACE=1
> $ export GIT_TRACE_PACKET=1
> $ git push 
> trace: built-in: git 'push'
> trace: run_command: 'ssh' 'github' 'git-receive-pack '\''pebbe/Gabmap.git'\''' 
> fatal: protocol error: bad line length character:

Your "ssh github" is weird. Usually that would be "ssh git@xxxxxxxxxx",
unless you have set up an alias in .ssh/config. Is that the case? If so,
can you show us the alias? Is it going through a proxy machine or
anything exotic?

> Setting GIT_TRACE_PACKET doesn't seem to have any effect.

That's probably because we never get any packets; the very first one is
bogus, and we abort.

> I added some debug code in pkt-line.c, function 
> packet_read_line(). This tells me that 'buffer' that is passed 
> to packet_read_line() contains nothing but null characters, 
> while 'size' is set to 1000.

Yeah, it's expecting data to be written into it. You need to see what
packet_read_line reads into linelen via safe_read (which is also printed
in the error message, so it looks from the above like it contains NULs).

> Running the ssh command as listed by trace works fine:
> 
> $ ssh github git-receive-pack 'pebbe/Gabmap.git'
> 00720444852406fd34c3eb0c8cdcb05cd2af979d2b34 refs/heads/master report-status delete-refs side-band-64k ofs-delta
> 0000

That looks normal. I wonder why git is not getting the same data.

-Peff
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