Re: [PATCH 1/1] t/test-lib: make `test_dir_is_empty` more robust

[Junio C Hamano <gitster@pobox.com>]

Jonathan Nieder <jrnieder@gmail.com> writes:

> but $'' is too recent of a shell feature to count on (e.g., dash doesn't
> support it).  See t/t3600-rm.sh for an example of a portable way to do

Is that "too recent"?  I thought it was bashism, not even in POSIX,
but I may be mistaken.

Quite honestly, our tests are still run inside a sort-of controlled
environment, so if it _requires_ use of things we have avoided so
far, like "ls -A" and "xargs -0", in order to be resistant to
funnyly-named files like dot-LF-dot, I would say it is not worth
worrying about them--instead we can simply refrain from using such a
pathological name, can't we?

"ls -A" may be in POSIX, but our attitude generally is to avoid
saying things like "it is in POSIX so it's your platform's fault
that it is not yet supported".  We instead say "even it may be in
POSIX, in real life many people don't have it, so let's avoid it".
And "xargs -0" I do not think is.