grep.c: add configuration variables to show matched option
authorTaylor Blau <me@ttaylorr.com>
Fri, 22 Jun 2018 15:49:49 +0000 (10:49 -0500)
committerJunio C Hamano <gitster@pobox.com>
Fri, 22 Jun 2018 19:59:02 +0000 (12:59 -0700)
commit6653fec3bb969d8be3987cf77654c0aa1778b6b5
tree81d9b314ea5afdb2b02086b8df7fc35d584508f0
parenta449f27ffa08de1b01ab5e4fe7daac38f25c9515
grep.c: add configuration variables to show matched option

To support git-grep(1)'s new option, '--column', document and teach
grep.c how to interpret relevant configuration options, similar to those
associated with '--line-number'.

Signed-off-by: Taylor Blau <me@ttaylorr.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Documentation/config.txt
Documentation/git-grep.txt
grep.c