Teach 'diff' about 'diff' attribute.

This makes paths that explicitly unset 'diff' attribute not to
produce "textual" diffs from 'git-diff' family.

Signed-off-by: Junio C Hamano <junkio@cox.net>

1 files changed, 0 insertions, 18 deletions

diff --git a/attr.c b/attr.c
index ed4db01a8..7435d927a 100644
--- a/attr.c
+++ b/attr.c
@@ -378,21 +378,3 @@ int git_checkattr(const char *path, int num, struct git_attr_check *check)
 		rem = fill(path, pathlen, stk, check, num, rem);
 	return 0;
 }
-
-static void setup_binary_check(struct git_attr_check *check)
-{
-	static struct git_attr *attr_binary;
-
-	if (!attr_binary)
-		attr_binary = git_attr("binary", 6);
-	check->attr = attr_binary;
-}
-
-int git_path_is_binary(const char *path)
-{
-	struct git_attr_check attr_binary_check;
-
-	setup_binary_check(&attr_binary_check);
-	return (!git_checkattr(path, 1, &attr_binary_check) &&
-		(0 < attr_binary_check.isset));
-}