#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, struct commit **twos); struct commit_list *get_merge_bases_many_dirty(struct commit *one, int n, struct commit **twos); struct commit_list *get_merge_bases(struct commit *one, struct commit *two); struct commit_list *get_octopus_merge_bases(struct commit_list *in); /* To be used only when object flags after this call no longer matter */ struct commit_list *get_merge_bases_many_dirty(struct commit *one, int n, struct commit **twos); 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 * the list. It is useful for, e.g., reducing the commits * randomly thrown at the git-merge command and removing * redundant commits that the user shouldn't have given to it. * * This function destroys the STALE bit of the commit objects' * flags. */ struct commit_list *reduce_heads(struct commit_list *heads); /* * Like `reduce_heads()`, except it replaces the list. Use this * instead of `foo = reduce_heads(foo);` to avoid memory leaks. */ 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); int reachable(struct commit *from, unsigned int with_flag, unsigned int assign_flag, time_t min_commit_date); /* * 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'. */ int can_all_from_reach_with_flag(struct object_array *from, unsigned int with_flag, unsigned int assign_flag, time_t min_commit_date); int can_all_from_reach(struct commit_list *from, struct commit_list *to, int commit_date_cutoff); #endif