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0009d3501b
Signed-off-by: Ramsay Jones <ramsay@ramsayjones.plus.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
78 lines
2.6 KiB
C
78 lines
2.6 KiB
C
#ifndef COMMIT_REACH_H
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#define COMMIT_REACH_H
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#include "commit-slab.h"
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struct commit;
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struct commit_list;
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struct contains_cache;
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struct ref_filter;
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struct commit_list *get_merge_bases_many(struct commit *one,
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int n,
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struct commit **twos);
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struct commit_list *get_merge_bases_many_dirty(struct commit *one,
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int n,
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struct commit **twos);
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struct commit_list *get_merge_bases(struct commit *one, struct commit *two);
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struct commit_list *get_octopus_merge_bases(struct commit_list *in);
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/* To be used only when object flags after this call no longer matter */
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struct commit_list *get_merge_bases_many_dirty(struct commit *one, int n, struct commit **twos);
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int is_descendant_of(struct commit *commit, struct commit_list *with_commit);
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int in_merge_bases_many(struct commit *commit, int nr_reference, struct commit **reference);
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int in_merge_bases(struct commit *commit, struct commit *reference);
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/*
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* Takes a list of commits and returns a new list where those
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* have been removed that can be reached from other commits in
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* the list. It is useful for, e.g., reducing the commits
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* randomly thrown at the git-merge command and removing
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* redundant commits that the user shouldn't have given to it.
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*
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* This function destroys the STALE bit of the commit objects'
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* flags.
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*/
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struct commit_list *reduce_heads(struct commit_list *heads);
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/*
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* Like `reduce_heads()`, except it replaces the list. Use this
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* instead of `foo = reduce_heads(foo);` to avoid memory leaks.
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*/
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void reduce_heads_replace(struct commit_list **heads);
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int ref_newer(const struct object_id *new_oid, const struct object_id *old_oid);
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/*
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* Unknown has to be "0" here, because that's the default value for
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* contains_cache slab entries that have not yet been assigned.
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*/
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enum contains_result {
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CONTAINS_UNKNOWN = 0,
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CONTAINS_NO,
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CONTAINS_YES
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};
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define_commit_slab(contains_cache, enum contains_result);
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int commit_contains(struct ref_filter *filter, struct commit *commit,
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struct commit_list *list, struct contains_cache *cache);
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/*
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* Determine if every commit in 'from' can reach at least one commit
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* that is marked with 'with_flag'. As we traverse, use 'assign_flag'
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* as a marker for commits that are already visited. Do not walk
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* commits with date below 'min_commit_date' or generation below
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* 'min_generation'.
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*/
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int can_all_from_reach_with_flag(struct object_array *from,
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unsigned int with_flag,
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unsigned int assign_flag,
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time_t min_commit_date,
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uint32_t min_generation);
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int can_all_from_reach(struct commit_list *from, struct commit_list *to,
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int commit_date_cutoff);
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#endif
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