1 files changed, 64 insertions, 0 deletions
diff --git a/unpack-trees.h b/unpack-trees.h
new file mode 100644
index 0000000000..ef70eab390
--- /dev/null
+++ b/unpack-trees.h
@@ -0,0 +1,64 @@
+#ifndef UNPACK_TREES_H
+#define UNPACK_TREES_H
+
+#define MAX_UNPACK_TREES 8
+
+struct unpack_trees_options;
+struct exclude_list;
+
+typedef int (*merge_fn_t)(struct cache_entry **src,
+		struct unpack_trees_options *options);
+
+struct unpack_trees_error_msgs {
+	const char *would_overwrite;
+	const char *not_uptodate_file;
+	const char *not_uptodate_dir;
+	const char *would_lose_untracked;
+	const char *bind_overlap;
+	const char *sparse_not_uptodate_file;
+	const char *would_lose_orphaned;
+};
+
+struct unpack_trees_options {
+	unsigned int reset,
+		     merge,
+		     update,
+		     index_only,
+		     nontrivial_merge,
+		     trivial_merges_only,
+		     verbose_update,
+		     aggressive,
+		     skip_unmerged,
+		     initial_checkout,
+		     diff_index_cached,
+		     debug_unpack,
+		     skip_sparse_checkout,
+		     gently;
+	const char *prefix;
+	int cache_bottom;
+	struct dir_struct *dir;
+	merge_fn_t fn;
+	struct unpack_trees_error_msgs msgs;
+
+	int head_idx;
+	int merge_size;
+
+	struct cache_entry *df_conflict_entry;
+	void *unpack_data;
+
+	struct index_state *dst_index;
+	struct index_state *src_index;
+	struct index_state result;
+
+	struct exclude_list *el; /* for internal use */
+};
+
+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);
+
+#endif