Re: git log filtering

[Johannes Schindelin <Johannes.Schindelin@gmx.de>]

Hi,

On Wed, 7 Feb 2007, Linus Torvalds wrote:

> You can do
> 
> 	git log --grep="Signed-off-by:.*akpm"
> 
>    on the kernel archive to see which ones were signed off by Andrew.
> 
> So the above works, and catches *most* uses. But it has problems if you 
> want to do something fancier (and I think that includes something as 
> simple as doing a case-insensitive grep).

[TIC PATCH] revision.c: accept "-i" to make --grep case insensitive

When calling

	git log --grep=blabla -i --grep=blublu

the expression "blabla" is greppend case _sensitively_, but "blublu"
case _insensitively_.

Signed-off-by: Johannes Schindelin <Johannes.Schindelin@gmx.de>

---

 revision.c |    9 +++++++++
 1 files changed, 9 insertions(+), 0 deletions(-)

diff --git a/revision.c b/revision.c
index 42ba310..843aa8e 100644
--- a/revision.c
+++ b/revision.c
@@ -9,6 +9,8 @@
 #include "grep.h"
 #include "reflog-walk.h"
 
+static int case_insensitive_grep = 0;
+
 static char *path_name(struct name_path *path, const char *name)
 {
 	struct name_path *p;
@@ -742,6 +744,8 @@ static void add_grep(struct rev_info *revs, const char *ptn, enum grep_pat_token
 		opt->status_only = 1;
 		opt->pattern_tail = &(opt->pattern_list);
 		opt->regflags = REG_NEWLINE;
+		if (case_insensitive_grep)
+			opt->regflags |= REG_ICASE;
 		revs->grep_filter = opt;
 	}
 	append_grep_pattern(revs->grep_filter, ptn,
@@ -1042,6 +1046,11 @@ int setup_revisions(int argc, const char **argv, struct rev_info *revs, const ch
 				add_header_grep(revs, "committer", arg+12);
 				continue;
 			}
+			if (!strcmp(arg, "-i") ||
+					!strcmp(arg, "--case-insensitive")) {
+				case_insensitive_grep = 1;
+				continue;
+			}
 			if (!strncmp(arg, "--grep=", 7)) {
 				add_message_grep(revs, arg+7);
 				continue;