merge-recursive: improve rename/rename(1to2)/add[/add] handling

[thirdparty/git.git] / commit-reach.h

diff --git a/commit-reach.h b/commit-reach.h
index 1ea2696e40ba3f0a8eb26dc5253e00472af5fd84..7d313e2975a28ef79b2ccf6dea965d4f139eda58 100644 (file)
--- a/commit-reach.h
+++ b/commit-reach.h
@@ -1,8 +1,12 @@
 #ifndef __COMMIT_REACH_H__
 #define __COMMIT_REACH_H__
 
+#include "commit-slab.h"
+
 struct commit;
 struct commit_list;
+struct contains_cache;
+struct ref_filter;
 
 struct commit_list *get_merge_bases_many(struct commit *one,
                                         int n,
@@ -20,7 +24,6 @@ int is_descendant_of(struct commit *commit, struct commit_list *with_commit);
 int in_merge_bases_many(struct commit *commit, int nr_reference, struct commit **reference);
 int in_merge_bases(struct commit *commit, struct commit *reference);
 
-
 /*
  * Takes a list of commits and returns a new list where those
  * have been removed that can be reached from other commits in
@@ -39,4 +42,36 @@ struct commit_list *reduce_heads(struct commit_list *heads);
  */
 void reduce_heads_replace(struct commit_list **heads);
 
+int ref_newer(const struct object_id *new_oid, const struct object_id *old_oid);
+
+/*
+ * Unknown has to be "0" here, because that's the default value for
+ * contains_cache slab entries that have not yet been assigned.
+ */
+enum contains_result {
+       CONTAINS_UNKNOWN = 0,
+       CONTAINS_NO,
+       CONTAINS_YES
+};
+
+define_commit_slab(contains_cache, enum contains_result);
+
+int commit_contains(struct ref_filter *filter, struct commit *commit,
+                   struct commit_list *list, struct contains_cache *cache);
+
+/*
+ * Determine if every commit in 'from' can reach at least one commit
+ * that is marked with 'with_flag'. As we traverse, use 'assign_flag'
+ * as a marker for commits that are already visited. Do not walk
+ * commits with date below 'min_commit_date' or generation below
+ * 'min_generation'.
+ */
+int can_all_from_reach_with_flag(struct object_array *from,
+                                unsigned int with_flag,
+                                unsigned int assign_flag,
+                                time_t min_commit_date,
+                                uint32_t min_generation);
+int can_all_from_reach(struct commit_list *from, struct commit_list *to,
+                      int commit_date_cutoff);
+
 #endif