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-rw-r--r--diff.c21
1 files changed, 21 insertions, 0 deletions
diff --git a/diff.c b/diff.c
index 69e3bc0..71e4738 100644
--- a/diff.c
+++ b/diff.c
@@ -5348,6 +5348,19 @@ static int diff_opt_word_diff_regex(const struct option *opt,
return 0;
}
+static int diff_opt_rotate_to(const struct option *opt, const char *arg, int unset)
+{
+ struct diff_options *options = opt->value;
+
+ BUG_ON_OPT_NEG(unset);
+ if (!strcmp(opt->long_name, "skip-to"))
+ options->skip_instead_of_rotate = 1;
+ else
+ options->skip_instead_of_rotate = 0;
+ options->rotate_to = arg;
+ return 0;
+}
+
static void prep_parse_options(struct diff_options *options)
{
struct option parseopts[] = {
@@ -5599,6 +5612,12 @@ static void prep_parse_options(struct diff_options *options)
DIFF_PICKAXE_REGEX, PARSE_OPT_NONEG),
OPT_FILENAME('O', NULL, &options->orderfile,
N_("control the order in which files appear in the output")),
+ OPT_CALLBACK_F(0, "rotate-to", options, N_("<path>"),
+ N_("show the change in the specified path first"),
+ PARSE_OPT_NONEG, diff_opt_rotate_to),
+ OPT_CALLBACK_F(0, "skip-to", options, N_("<path>"),
+ N_("skip the output to the specified path"),
+ PARSE_OPT_NONEG, diff_opt_rotate_to),
OPT_CALLBACK_F(0, "find-object", options, N_("<object-id>"),
N_("look for differences that change the number of occurrences of the specified object"),
PARSE_OPT_NONEG, diff_opt_find_object),
@@ -6669,6 +6688,8 @@ void diffcore_std(struct diff_options *options)
diffcore_pickaxe(options);
if (options->orderfile)
diffcore_order(options->orderfile);
+ if (options->rotate_to)
+ diffcore_rotate(options);
if (!options->found_follow)
/* See try_to_follow_renames() in tree-diff.c */
diff_resolve_rename_copy();