[PATCH 1 of 6 V3] perf: add a perfignore command

[Yuya Nishihara]

On Fri, 23 Nov 2018 15:12:44 +0100, Boris Feld wrote:
> # HG changeset patch
> # User Boris Feld <boris.feld at octobus.net>
> # Date 1542916813 -3600
> #      Thu Nov 22 21:00:13 2018 +0100
> # Node ID 917fa088dd67d1f56c751de59acc91abc799d83a
> # Parent  efd0f79246e3e6633dfd06226464a48584f69b19
> # EXP-Topic perf-ignore
> # Available At https://bitbucket.org/octobus/mercurial-devel/
> #              hg pull https://bitbucket.org/octobus/mercurial-devel/ -r 917fa088dd67
> perf: add a perfignore command

Queued only this patch, thanks.

Per discussion in the V2 thread, we aren't sure if it's still needed to
combine patterns into a single large regexp.