#ifndef COMMIT_REACH_H

#define COMMIT_REACH_H

#include "commit.h"

#include "commit-slab.h"

struct commit_list;

struct ref_filter;

struct object_id;

struct object_array;

struct commit_list *repo_get_merge_bases(struct repository *r,

struct commit *rev1,

struct commit *rev2);

struct commit_list *repo_get_merge_bases_many(struct repository *r,

struct commit *one, int n,

struct commit **twos);

struct commit_list *repo_get_merge_bases_many_dirty(struct repository *r,

struct commit *one, int n,

struct commit **twos);

#ifndef NO_THE_REPOSITORY_COMPATIBILITY_MACROS

#define get_merge_bases(r1, r2) repo_get_merge_bases(the_repository, r1, r2)

#define get_merge_bases_many(one, n, two) repo_get_merge_bases_many(the_repository, one, n, two)

#define get_merge_bases_many_dirty(one, n, twos) repo_get_merge_bases_many_dirty(the_repository, one, n, twos)

struct commit_list *get_octopus_merge_bases(struct commit_list *in);

int repo_is_descendant_of(struct repository *r,

struct commit *commit,

struct commit_list *with_commit);

int repo_in_merge_bases(struct repository *r,

struct commit *commit,

struct commit *reference);

int repo_in_merge_bases_many(struct repository *r,

struct commit *commit,

int nr_reference, struct commit **reference);

#ifndef NO_THE_REPOSITORY_COMPATIBILITY_MACROS

#define in_merge_bases(c1, c2) repo_in_merge_bases(the_repository, c1, c2)

#define in_merge_bases_many(c1, n, cs) repo_in_merge_bases_many(the_repository, c1, n, cs)

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);

enum contains_result {

};

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);

int can_all_from_reach_with_flag(struct object_array *from,

timestamp_t min_generation);

int can_all_from_reach(struct commit_list *from, struct commit_list *to,

int commit_date_cutoff);

struct commit_list *get_reachable_subset(struct commit **from, int nr_from,

struct commit **to, int nr_to,

unsigned int reachable_flag);