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-rw-r--r--diffcore-rename.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/diffcore-rename.c b/diffcore-rename.c
index 0afe903de9..361eed9fbc 100644
--- a/diffcore-rename.c
+++ b/diffcore-rename.c
@@ -467,8 +467,12 @@ void diffcore_rename(struct diff_options *options)
else if (!DIFF_OPT_TST(options, RENAME_EMPTY) &&
is_empty_blob_sha1(p->two->sha1))
continue;
- else
- add_rename_dst(p->two);
+ else if (add_rename_dst(p->two) < 0) {
+ warning("skipping rename detection, detected"
+ " duplicate destination '%s'",
+ p->two->path);
+ goto cleanup;
+ }
}
else if (!DIFF_OPT_TST(options, RENAME_EMPTY) &&
is_empty_blob_sha1(p->one->sha1))