1 #ifndef __COMMIT_REACH_H__
2 #define __COMMIT_REACH_H__
4 #include "commit-slab.h"
11 struct commit_list *repo_get_merge_bases(struct repository *r,
14 struct commit_list *repo_get_merge_bases_many(struct repository *r,
15 struct commit *one, int n,
16 struct commit **twos);
17 /* To be used only when object flags after this call no longer matter */
18 struct commit_list *repo_get_merge_bases_many_dirty(struct repository *r,
19 struct commit *one, int n,
20 struct commit **twos);
21 #ifndef NO_THE_REPOSITORY_COMPATIBILITY_MACROS
22 #define get_merge_bases(r1, r2) repo_get_merge_bases(the_repository, r1, r2)
23 #define get_merge_bases_many(one, n, two) repo_get_merge_bases_many(the_repository, one, n, two)
24 #define get_merge_bases_many_dirty(one, n, twos) repo_get_merge_bases_many_dirty(the_repository, one, n, twos)
27 struct commit_list *get_octopus_merge_bases(struct commit_list *in);
29 int is_descendant_of(struct commit *commit, struct commit_list *with_commit);
30 int in_merge_bases_many(struct commit *commit, int nr_reference, struct commit **reference);
31 int in_merge_bases(struct commit *commit, struct commit *reference);
34 * Takes a list of commits and returns a new list where those
35 * have been removed that can be reached from other commits in
36 * the list. It is useful for, e.g., reducing the commits
37 * randomly thrown at the git-merge command and removing
38 * redundant commits that the user shouldn't have given to it.
40 * This function destroys the STALE bit of the commit objects'
43 struct commit_list *reduce_heads(struct commit_list *heads);
46 * Like `reduce_heads()`, except it replaces the list. Use this
47 * instead of `foo = reduce_heads(foo);` to avoid memory leaks.
49 void reduce_heads_replace(struct commit_list **heads);
51 int ref_newer(const struct object_id *new_oid, const struct object_id *old_oid);
54 * Unknown has to be "0" here, because that's the default value for
55 * contains_cache slab entries that have not yet been assigned.
57 enum contains_result {
63 define_commit_slab(contains_cache, enum contains_result);
65 int commit_contains(struct ref_filter *filter, struct commit *commit,
66 struct commit_list *list, struct contains_cache *cache);
69 * Determine if every commit in 'from' can reach at least one commit
70 * that is marked with 'with_flag'. As we traverse, use 'assign_flag'
71 * as a marker for commits that are already visited. Do not walk
72 * commits with date below 'min_commit_date' or generation below
75 int can_all_from_reach_with_flag(struct object_array *from,
76 unsigned int with_flag,
77 unsigned int assign_flag,
78 time_t min_commit_date,
79 uint32_t min_generation);
80 int can_all_from_reach(struct commit_list *from, struct commit_list *to,
81 int commit_date_cutoff);