Created attachment 202348 [details]
Update to 2.21.0.
A commit references this bug:
Date: Mon Feb 25 13:22:20 UTC 2019
New revision: 493857
- Update devel/git to 2.21.0 
- Fix git-p4 shebang 
PR: 236020  (based on), 235045 
Submitted by: Yasuhiro KIMURA <email@example.com> 
John Hein <firstname.lastname@example.org> 
Sponsored by: Rubicon Communications, LLC (Netgate)
Your patch was missing distinfo when HTMLDOCS option is set and also an extra item in pkg-plist. I've committed a modified version. Thanks!!!