Merge branch 'es/grep-require-name-when-needed' into maint
authorJunio C Hamano <gitster@pobox.com>
Thu, 25 Jul 2019 21:27:08 +0000 (14:27 -0700)
committerJunio C Hamano <gitster@pobox.com>
Thu, 25 Jul 2019 21:27:08 +0000 (14:27 -0700)
More parameter validation.

* es/grep-require-name-when-needed:
  grep: fail if call could output and name is null


Trivial merge