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-rw-r--r--pack-objects.h13
1 files changed, 13 insertions, 0 deletions
diff --git a/pack-objects.h b/pack-objects.h
index d1b98b30ff..03f1191659 100644
--- a/pack-objects.h
+++ b/pack-objects.h
@@ -27,6 +27,19 @@ struct object_entry {
unsigned no_try_delta:1;
unsigned tagged:1; /* near the very tip of refs */
unsigned filled:1; /* assigned write-order */
+
+ /*
+ * State flags for depth-first search used for analyzing delta cycles.
+ *
+ * The depth is measured in delta-links to the base (so if A is a delta
+ * against B, then A has a depth of 1, and B a depth of 0).
+ */
+ enum {
+ DFS_NONE = 0,
+ DFS_ACTIVE,
+ DFS_DONE
+ } dfs_state;
+ int depth;
};
struct packing_data {