tags 552121 + upstream
retitle 552121 git daemon: "The remote end hung up unexpectedly" is not a
useful message
thanks
Hi Eugene,
Eugene V. Lyubimkin wrote:
> $ git push
> fatal: The remote end hung up unexpectedly
>
> Isn't helpful at all and made me think about server's problem.
I assume you are using git-daemon on the other end?
The git daemon is very simple; see Documentation/technical/pack-protocol.txt
Basically it runs one of a number of helpers and dumps its output over
the wire. For example, one helper is 'git receive-pack', used to
handle push requests.
If you run 'git receive-pack' yourself, you can see what output it
would provide:
$ git receive-pack /nonexistent
fatal: '/nonexistent' does not appear to be a git repository
This message went to stderr. Similarly, when git cannot write an
object file, it writes an appropriate message to stderr. So your
request becomes to get ‘git push’ to report what receive-pack wrote to
stderr.
The relevant code from daemon.c looks like this:
memset(&cld, 0, sizeof(cld));
cld.argv = argv;
cld.git_cmd = 1;
cld.err = -1;
if (start_command(&cld))
return -1;
close(0);
close(1);
copy_to_log(cld.err);
return finish_command(&cld);
That is, it captures stderr from the child and writes it to the
daemon’s log. All you have to do is figure out where to send this
output instead, and we’ll be done.
Ideas welcome.
See https://kerneltrap.org/mailarchive/git/2008/10/24/3794834
Hope that helps,
Jonathan
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