Environment to run tests in, changing file permissions on Cygwin

[Dr Rainer Woitok]

Matt,

On Thursday, 2016-01-28 13:08:52 -0600, you wrote:

> ...
> If this test is being run on Windows, it means our test for exec bit support is
> being fooled:
> ...
> What does "hg debugfs" say?

$ /bin/hg debugfs
exec: no
symlink: no
hardlink: yes
case-sensitive: no
$

> ...
> I'm pretty sure this used to work, but it wouldn't surprise me if Cygwin has
> become more devious.

Umh ... seems you don't like  Cygwin very much.   But, to be fair, isn't
that more the  deviousness of Windows  rather than Cygwin's,  which only
tries hard to be as Unix like as possible?

Sincerely,
  Rainer