[PATCH] Added 'git-rev-list --igrep' option for case insensitive grep

["Dmitry Kakurin" <dmitry.kakurin@gmail.com>]

>From 4b16e1823875f0051e3f0590803ab67dd3ca341d Mon Sep 17 00:00:00 2001
From: Dmitry Kakurin <Dmitry.Kakurin@gmail.com>
Date: Sat, 21 Jul 2007 22:22:49 -0700
Subject: [PATCH] Added 'git-rev-list --igrep' option for case insensitive grep

---
 Documentation/git-rev-list.txt |    6 +++++-
 revision.c                     |    5 +++++
 2 files changed, 10 insertions(+), 1 deletions(-)

diff --git a/Documentation/git-rev-list.txt b/Documentation/git-rev-list.txt
index 08e7573..f427862 100644
--- a/Documentation/git-rev-list.txt
+++ b/Documentation/git-rev-list.txt
@@ -26,7 +26,7 @@ SYNOPSIS
 	     [ \--left-right ]
 	     [ \--cherry-pick ]
 	     [ \--encoding[=<encoding>] ]
-	     [ \--(author|committer|grep)=<pattern> ]
+	     [ \--(author|committer|grep|igrep)=<pattern> ]
 	     [ \--regexp-ignore-case ] [ \--extended-regexp ]
 	     [ \--date={local|relative|default|iso|rfc|short} ]
 	     [ [\--objects | \--objects-edge] [ \--unpacked ] ]
@@ -227,6 +227,10 @@ limiting may be applied.
 	Limit the commits output to ones with log message that
 	matches the specified pattern (regular expression).

+--igrep='pattern'::
+
+	Equivalent to --grep='pattern' --regexp-ignore-case.
+
 --regexp-ignore-case::

 	Match the regexp limiting patterns without regard to letters case.
diff --git a/revision.c b/revision.c
index 28b5f2e..d5e1e69 100644
--- a/revision.c
+++ b/revision.c
@@ -1165,6 +1165,11 @@ int setup_revisions(int argc, const char
**argv, struct rev_info *revs, const ch
 				add_message_grep(revs, arg+7);
 				continue;
 			}
+			if (!prefixcmp(arg, "--igrep=")) {
+				add_message_grep(revs, arg+8);
+				regflags |= REG_ICASE;
+				continue;
+			}
 			if (!prefixcmp(arg, "--extended-regexp")) {
 				regflags |= REG_EXTENDED;
 				continue;
-- 
1.5.2.3