From: Johannes Schindelin <johannes.schinde...@gmx.de>
Date: Mon, 8 Nov 2010 16:10:43 +0100

Incidentally, this makes grep -I respect the "binary" attribute (actually,
the "-text" attribute, but "binary" implies that).

Since the attributes are not thread-safe, we now need to switch off
threading if -I was passed.

Signed-off-by: Johannes Schindelin <johannes.schinde...@gmx.de>
Signed-off-by: Stepan Kasal <ka...@ucw.cz>
---

Hi,
this patch has been in msysgit for 3.5 years.
Stepan

 builtin/grep.c | 25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)

diff --git a/builtin/grep.c b/builtin/grep.c
index 43af5b7..8073fbe 100644
--- a/builtin/grep.c
+++ b/builtin/grep.c
@@ -18,6 +18,7 @@
 #include "quote.h"
 #include "dir.h"
 #include "pathspec.h"
+#include "attr.h"
 
 static char const * const grep_usage[] = {
        N_("git grep [options] [-e] <pattern> [<rev>...] [[--] <path>...]"),
@@ -163,6 +164,22 @@ static void work_done(struct work_item *w)
        grep_unlock();
 }
 
+static int skip_binary(struct grep_opt *opt, const char *filename)
+{
+       if ((opt->binary & GREP_BINARY_NOMATCH)) {
+               static struct git_attr *attr_text;
+               struct git_attr_check check;
+
+               if (!attr_text)
+                       attr_text = git_attr("text");
+               memset(&check, 0, sizeof(check));
+               check.attr = attr_text;
+               return !git_check_attr(filename, 1, &check) &&
+                               ATTR_FALSE(check.value);
+       }
+       return 0;
+}
+
 static void *run(void *arg)
 {
        int hit = 0;
@@ -173,6 +190,9 @@ static void *run(void *arg)
                if (!w)
                        break;
 
+               if (skip_binary(opt, (const char *)w->source.identifier))
+                       continue;
+
                opt->output_priv = w;
                hit |= grep_source(opt, &w->source);
                grep_source_clear_data(&w->source);
@@ -379,6 +399,9 @@ static int grep_cache(struct grep_opt *opt, const struct 
pathspec *pathspec, int
                        continue;
                if (!ce_path_match(ce, pathspec, NULL))
                        continue;
+               if (skip_binary(opt, ce->name))
+                       continue;
+
                /*
                 * If CE_VALID is on, we assume worktree file and its cache 
entry
                 * are identical, even if worktree file has been modified, so 
use
@@ -803,6 +826,8 @@ int cmd_grep(int argc, const char **argv, const char 
*prefix)
                string_list_append(&path_list, show_in_pager);
                use_threads = 0;
        }
+       if ((opt.binary & GREP_BINARY_NOMATCH))
+               use_threads = 0;
 
        if (!opt.pattern_list)
                die(_("no pattern given."));
-- 
1.9.2.msysgit.0.335.gd2a461f

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