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-rw-r--r--diff-stages.c15
1 files changed, 10 insertions, 5 deletions
diff --git a/diff-stages.c b/diff-stages.c
index 4b87c8ef7b..f0998149cf 100644
--- a/diff-stages.c
+++ b/diff-stages.c
@@ -7,6 +7,7 @@
static int diff_output_format = DIFF_FORMAT_HUMAN;
static int detect_rename = 0;
+static int find_copies_harder = 0;
static int diff_setup_opt = 0;
static int diff_score_opt = 0;
static const char *pickaxe = NULL;
@@ -16,7 +17,7 @@ static const char *orderfile = NULL;
static const char *diff_filter = NULL;
static char *diff_stages_usage =
-"git-diff-stages [-p] [-r] [-z] [-M] [-C] [-R] [-S<string>] [-O<orderfile>] <stage1> <stage2> [<path>...]";
+"git-diff-stages [-p] [-r] [-z] [-R] [-B] [-M] [-C] [--find-copies-harder] [-O<orderfile>] [-S<string>] [--pickaxe-all] <stage1> <stage2> [<path>...]";
static void diff_stages(int stage1, int stage2)
{
@@ -50,9 +51,10 @@ static void diff_stages(int stage1, int stage2)
diff_addremove('-', ntohl(one->ce_mode),
one->sha1, name, NULL);
else if (memcmp(one->sha1, two->sha1, 20) ||
- (one->ce_mode != two->ce_mode))
- diff_change(ntohl(one->ce_mode), ntohl(two->ce_mode),
- one->sha1, two->sha1, name, NULL);
+ (one->ce_mode != two->ce_mode) ||
+ find_copies_harder)
+ diff_change(ntohl(one->ce_mode), ntohl(two->ce_mode),
+ one->sha1, two->sha1, name, NULL);
}
}
@@ -81,6 +83,8 @@ int main(int ac, const char **av)
if ((diff_score_opt = diff_scoreopt_parse(arg)) == -1)
usage(diff_stages_usage);
}
+ else if (!strcmp(arg, "--find-copies-harder"))
+ find_copies_harder = 1;
else if (!strcmp(arg, "-z"))
diff_output_format = DIFF_FORMAT_MACHINE;
else if (!strcmp(arg, "-R"))
@@ -102,7 +106,8 @@ int main(int ac, const char **av)
sscanf(av[1], "%d", &stage1) != 1 ||
! (0 <= stage1 && stage1 <= 3) ||
sscanf(av[2], "%d", &stage2) != 1 ||
- ! (0 <= stage2 && stage2 <= 3))
+ ! (0 <= stage2 && stage2 <= 3) ||
+ find_copies_harder && detect_rename != DIFF_DETECT_COPY)
usage(diff_stages_usage);
av += 3; /* The rest from av[0] are for paths restriction. */