[PATCH 17/21] diff.c: convert --find-copies-harder

["Nguyễn Thái Ngọc Duy" <pclouds@gmail.com>]

--no-find-copies-harder is also added on purpose (because I don't see
why we should not have the --no- version for this)

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
---
 diff.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/diff.c b/diff.c
index 35bac115cc..abb1566f95 100644
--- a/diff.c
+++ b/diff.c
@@ -5085,6 +5085,8 @@ static void prep_parse_options(struct diff_options *options)
 			       N_("detect copies"),
 			       PARSE_OPT_NONEG | PARSE_OPT_OPTARG,
 			       diff_opt_find_copies),
+		OPT_BOOL(0, "find-copies-harder", &options->flags.find_copies_harder,
+			 N_("use unmodified files as source to find copies")),
 
 		OPT_GROUP(N_("Diff other options")),
 		{ OPTION_CALLBACK, 0, "output", options, N_("<file>"),
@@ -5191,8 +5193,6 @@ int diff_opt_parse(struct diff_options *options,
 		options->flags.text = 1;
 	else if (!strcmp(arg, "-R"))
 		options->flags.reverse_diff = 1;
-	else if (!strcmp(arg, "--find-copies-harder"))
-		options->flags.find_copies_harder = 1;
 	else if (!strcmp(arg, "--follow"))
 		options->flags.follow_renames = 1;
 	else if (!strcmp(arg, "--no-follow")) {
-- 
2.20.1.682.gd5861c6d90