mirror of
https://github.com/git/git.git
synced 2024-10-31 06:17:56 +01:00
291123e69b
The history traversal used to implement the tag-following has been optimized by introducing a new helper. * ds/add-missing-tags: remote: make add_missing_tags() linear test-reach: test get_reachable_subset commit-reach: implement get_reachable_subset
91 lines
3.1 KiB
C
91 lines
3.1 KiB
C
#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 *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);
|
|
|
|
/*
|
|
* 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);
|
|
|
|
|
|
/*
|
|
* Return a list of commits containing the commits in the 'to' array
|
|
* that are reachable from at least one commit in the 'from' array.
|
|
* Also add the given 'flag' to each of the commits in the returned list.
|
|
*
|
|
* This method uses the PARENT1 and PARENT2 flags during its operation,
|
|
* so be sure these flags are not set before calling the method.
|
|
*/
|
|
struct commit_list *get_reachable_subset(struct commit **from, int nr_from,
|
|
struct commit **to, int nr_to,
|
|
unsigned int reachable_flag);
|
|
|
|
#endif
|