files-backend.c: factor out per-worktree code in loose_fill_ref_dir()

diff --git a/commit-reach.h b/commit-reach.h
index 7d313e2975a28ef79b2ccf6dea965d4f139eda58..fb8082a2ece94a94cf2f9a55ba95950caa41a914 100644 (file)
--- a/commit-reach.h
+++ b/commit-reach.h
@@ -1,12 +1,13 @@
-#ifndef __COMMIT_REACH_H__
-#define __COMMIT_REACH_H__
+#ifndef COMMIT_REACH_H
+#define COMMIT_REACH_H
 
+#include "commit.h"
 #include "commit-slab.h"
 
-struct commit;
 struct commit_list;
-struct contains_cache;
 struct ref_filter;
+struct object_id;
+struct object_array;
 
 struct commit_list *get_merge_bases_many(struct commit *one,
                                         int n,
@@ -74,4 +75,17 @@ int can_all_from_reach_with_flag(struct object_array *from,
 int can_all_from_reach(struct commit_list *from, struct commit_list *to,
                       int commit_date_cutoff);
 
+
+/*
+ * Return a list of commits containing the commits in the 'to' array
+ * that are reachable from at least one commit in the 'from' array.
+ * Also add the given 'flag' to each of the commits in the returned list.
+ *
+ * This method uses the PARENT1 and PARENT2 flags during its operation,
+ * so be sure these flags are not set before calling the method.
+ */
+struct commit_list *get_reachable_subset(struct commit **from, int nr_from,
+                                        struct commit **to, int nr_to,
+                                        unsigned int reachable_flag);
+
 #endif