submodule: don't use submodule_from_name

diff --git a/pack-objects.h b/pack-objects.h
index cc9b9a9b90ca62e7a6e638928511a465fbb9974b..03f1191659dab55b2c4c440c347101a3cdbd4650 100644 (file)
--- a/pack-objects.h
+++ b/pack-objects.h
@@ -30,12 +30,16 @@ struct object_entry {
 
        /*
         * 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 {