On Mon, Oct 22, 2012 at 7:12 PM, Felipe Contreras
<felipe.contre...@gmail.com> wrote:
> On Mon, Oct 22, 2012 at 4:31 PM, Felipe Contreras
> I've tried everything, and yet a SIGPIPE is detected only with
> remote-testgit, not with my code, and they both exit the same way, and
> at the same time, and fast-export exits the main function (apparently
> a process can finish with SIGPIPE after main?)
>
> I have no idea what's going on, so I don't know if we need any extra
> code in transport-helper at all.
>
> Any ideas?
Must be a timing issue:
sh -c 'echo hello' | sh -c 'exit 1' -> no signal
sh -c 'echo hello' | /usr/bin/false -> SIGPIPE
I can trigger it by adding an extra delay:
This works:
test_expect_success 'proper failure checks for pushing 1' '
export GIT_REMOTE_TESTGIT_FAILURE=1 &&
(cd localclone && ! git push --all) 2> errors &&
grep -q "Error while running fast-export" errors
'
This doesn't:
test_expect_success 'proper failure checks for pushing 2' '
export GIT_REMOTE_TESTGIT_FAILURE=1 &&
export GIT_REMOTE_TESTGIT_SLEEPY=1 &&
(cd localclone && ! git push --all) 2> errors &&
grep -q "Error while running fast-export" errors
'
This does:
test_expect_success 'proper failure checks for pushing 3' '
export GIT_REMOTE_TESTGIT_FAILURE=1 &&
export GIT_REMOTE_TESTGIT_SLEEPY=1 &&
(cd localclone && ! git push --all) 2> errors &&
grep -q "Told to fail" errors
'
So, depending on your luck, transport-helper might or might display an
error, it will exit at the right place nonetheless, because of:
if (strbuf_getline(buffer, helper, '\n') == EOF) {
if (debug)
fprintf(stderr, "Debug: Remote helper quit.\n");
exit(128);
}
Not ideal, but I guess it's not a big deal.
Cheers.
--
Felipe Contreras
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