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-rw-r--r--diff.c8
-rw-r--r--diffcore.h2
2 files changed, 10 insertions, 0 deletions
diff --git a/diff.c b/diff.c
index 4a350e365..f0985bc76 100644
--- a/diff.c
+++ b/diff.c
@@ -3737,6 +3737,12 @@ void diffcore_fix_diff_index(struct diff_options *options)
void diffcore_std(struct diff_options *options)
{
+ /* We never run this function more than one time, because the
+ * rename/copy detection logic can only run once.
+ */
+ if (diff_queued_diff.run)
+ return;
+
if (options->skip_stat_unmatch)
diffcore_skip_stat_unmatch(options);
if (options->break_opt != -1)
@@ -3756,6 +3762,8 @@ void diffcore_std(struct diff_options *options)
DIFF_OPT_SET(options, HAS_CHANGES);
else
DIFF_OPT_CLR(options, HAS_CHANGES);
+
+ diff_queued_diff.run = 1;
}
int diff_result_code(struct diff_options *opt, int status)
diff --git a/diffcore.h b/diffcore.h
index 5d05deaf6..491bea0b4 100644
--- a/diffcore.h
+++ b/diffcore.h
@@ -91,11 +91,13 @@ struct diff_queue_struct {
struct diff_filepair **queue;
int alloc;
int nr;
+ int run;
};
#define DIFF_QUEUE_CLEAR(q) \
do { \
(q)->queue = NULL; \
(q)->nr = (q)->alloc = 0; \
+ (q)->run = 0; \
} while(0);
extern struct diff_queue_struct diff_queued_diff;