Jonathan Nieder <jrnie...@gmail.com> writes:
> Otherwise there is a race: if 'git log' finishes writing before the
> pager terminates and closes the pipe, all is well, and if the pager
> finishes quickly enough then 'git log' terminates with SIGPIPE.
> died of signal 13 at /build/buildd/git-1.9~rc1/t/test-terminal.perl line 33.
> not ok 6 - LESS and LV envvars are set for pagination
> Noticed on Ubuntu PPA builders, where the race was lost about half the
> time. Compare v220.127.116.11~6^2 (tests: Fix race condition in t7006-pager,
> Reported-by: Anders Kaseorg <ande...@mit.edu>
> Signed-off-by: Jonathan Nieder <jrnie...@gmail.com>
Thanks. The use of "wc" looks cute (I would have used "cat").
> Anders Kaseorg wrote:
>> On 01/06/2014 09:14 PM, Jonathan Nieder wrote:
>>> + PAGER="env >pager-env.out" &&
>>> + export PAGER &&
>>> + test_terminal git log
>> On the Ubuntu PPA builders, I’m seeing this new test fail with
>> SIGPIPE about half the time:
>> died of signal 13 at /build/buildd/git-1.9~rc1/t/test-terminal.perl line 33.
>> not ok 6 - LESS and LV envvars are set for pagination
> Good catch. Sorry for the trouble.
> t/t7006-pager.sh | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
> diff --git a/t/t7006-pager.sh b/t/t7006-pager.sh
> index 7fe3367..b9365b4 100755
> --- a/t/t7006-pager.sh
> +++ b/t/t7006-pager.sh
> @@ -40,7 +40,7 @@ test_expect_failure TTY 'pager runs from subdir' '
> test_expect_success TTY 'LESS and LV envvars are set for pagination' '
> sane_unset LESS LV &&
> - PAGER="env >pager-env.out" &&
> + PAGER="env >pager-env.out; wc" &&
> export PAGER &&
> test_terminal git log
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