svn commit: r342774 - head/sys/conf

[Enji Cooper]

> On Jan 4, 2019, at 10:38, Andrew Gallatin <gallatin at freebsd.org> wrote:
> 
> Author: gallatin
> Date: Fri Jan  4 18:38:27 2019
> New Revision: 342774
> URL: https://svnweb.freebsd.org/changeset/base/342774
> 
> Log:
>  Limit git history searches in newvers.sh
> 
>  newvers.sh takes upwards of 4-5 seconds to complete on trees checked
>  out from github, due to searching the entire history for non-existent
>  git-svn metadata. Similarly, if one does not check out notes, we
>  again search the entire history for notes. That makes newvers.sh very
>  slow for many github users.
> 
>  To fix this in a fair way, limit the history search to the last 10K
>  commits: if you're more than 10K commits out of sync, then you've
>  forked the project, and our SVN rev is no longer very important to you.
> 
>  Due to how git implements --grep in conjunction with -n, --grep has been
>  removed for performance reasons (git does not seem to limit its search
>  to the -n limit in this case, and takes just as long as it did with no
>  limit).

Wonderful — thank you Andrew :)!!
-Enji