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-rw-r--r--diff.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/diff.h b/diff.h
index ce3058e43..ac7b21c46 100644
--- a/diff.h
+++ b/diff.h
@@ -102,6 +102,8 @@ extern int diff_tree(struct tree_desc *t1, struct tree_desc *t2,
const char *base, struct diff_options *opt);
extern int diff_tree_sha1(const unsigned char *old, const unsigned char *new,
const char *base, struct diff_options *opt);
+extern int diff_root_tree_sha1(const unsigned char *new, const char *base,
+ struct diff_options *opt);
struct combine_diff_path {
struct combine_diff_path *next;