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-rw-r--r--diffcore-break.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/diffcore-break.c b/diffcore-break.c
index c57513a4fa..95b5eb492e 100644
--- a/diffcore-break.c
+++ b/diffcore-break.c
@@ -58,6 +58,10 @@ static int should_break(struct diff_filespec *src,
if (!S_ISREG(src->mode) || !S_ISREG(dst->mode))
return 0; /* leave symlink rename alone */
+ if (src->sha1_valid && dst->sha1_valid &&
+ !memcmp(src->sha1, dst->sha1, 20))
+ return 0; /* they are the same */
+
if (diff_populate_filespec(src, 0) || diff_populate_filespec(dst, 0))
return 0; /* error but caught downstream */