Including other .hgignore files via wildcards

[Yuya Nishihara]

On Wed, 6 Jun 2018 04:09:22 -0400, Ross Goldberg wrote:
> Circular single-file .hgignore includes currently result in an error,

Yeah, I noticed that yesterday.

https://bz.mercurial-scm.org/show_bug.cgi?id=5909

> so
> the only additional issues seem to me to be circular directory symlinks,
> and the increased likelihood of including .hginore files that include each
> other.

Another concern I can think of is wildcard paths will make harder to detect
file changes, which could be a problem in long-lived daemons such as fsmonitor
and command server.