merge-file: handle empty files gracefully

diff --git a/unpack-trees.h b/unpack-trees.h
index fee7da43822b63e5b1f24444e5c51c43d3ff5760..5517faafad6ca3f327c81ab6e8e5f2701ff0ad14 100644 (file)
--- a/unpack-trees.h
+++ b/unpack-trees.h
@@ -4,7 +4,8 @@
 struct unpack_trees_options;
 
 typedef int (*merge_fn_t)(struct cache_entry **src,
-               struct unpack_trees_options *options);
+               struct unpack_trees_options *options,
+               int remove);
 
 struct unpack_trees_options {
        int reset;
@@ -26,12 +27,12 @@ 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);
-int twoway_merge(struct cache_entry **src, struct unpack_trees_options *o);
-int bind_merge(struct cache_entry **src, struct unpack_trees_options *o);
-int oneway_merge(struct cache_entry **src, struct unpack_trees_options *o);
+int threeway_merge(struct cache_entry **stages, struct unpack_trees_options *o, int);
+int twoway_merge(struct cache_entry **src, struct unpack_trees_options *o, int);
+int bind_merge(struct cache_entry **src, struct unpack_trees_options *o, int);
+int oneway_merge(struct cache_entry **src, struct unpack_trees_options *o, int);
 
 #endif