Start moving unpack-trees to "struct tree_desc"

This doesn't actually change any real code, but it changes the interface
to unpack_trees() to take an array of "struct tree_desc" entries, the same
way the tree-walk.c functions do.

The reason for this is that we would be much better off if we can do the
tree-unpacking using the generic "traverse_trees()" functionality instead
of having to the special "unpack" infrastructure.

This really is a pretty minimal diff, just to change the calling
convention. It passes all the tests, and looks sane. There were only two
users of "unpack_trees()": builtin-read-tree and merge-recursive, and I
tried to keep the changes minimal.

Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/unpack-trees.h b/unpack-trees.h
index fee7da4..9cd39a2 100644
--- a/unpack-trees.h
+++ b/unpack-trees.h
@@ -26,7 +26,7 @@ struct unpack_trees_options {
 	struct cache_entry *df_conflict_entry;
 };
 
-extern int unpack_trees(struct object_list *trees,
+extern int unpack_trees(unsigned n, struct tree_desc *t,
 		struct unpack_trees_options *options);
 
 int threeway_merge(struct cache_entry **stages, struct unpack_trees_options *o);