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Re: [PATCH] t5562: skip if NO_CURL is enabled

On Mon, Nov 19, 2018 at 11:36:08AM -0800, Carlo Arenas wrote:

> tests 3-8 seem to fail because perl is hardcoded to /urs/bin/perl in
> t5562/invoke-with-content-length.pl, while I seem to be getting some
> sporadic errors in 9 with the following output :
> ++ env CONTENT_TYPE=application/x-git-receive-pack-request
> QUERY_STRING=/repo.git/git-receive-pack
> 'PATH_TRANSLATED=/home/carenas/src/git/t/trash
> directory.t5562-http-backend-content-length/.git/git-receive-pack'
> /home/carenas/src/git/t/t5562/invoke-with-content-length.pl push_body
> git http-backend
> ++ verify_http_result '200 OK'
> ++ grep fatal: act.err
> Binary file act.err matches
> ++ return 1
> error: last command exited with $?=1
> not ok 9 - push plain
> and the following output in act.err (with a 200 in act)
> fatal: the remote end hung up unexpectedly

This bit me today, too, and I can reproduce it by running under my
stress-testing script.

Curiously, the act.err file also has 54 NUL bytes before the "fatal:"
message. I tried adding an "strace" to see who was producing that
output, but I can't seem to get it to fail when running under strace
(presumably because the timing is quite different, and this likely some
kind of pipe race).