Andrew's git - gitweb.git/blob

   1#ifndef COMMIT_GRAPH_H
   2#define COMMIT_GRAPH_H
   3
   4#include "git-compat-util.h"
   5#include "repository.h"
   6#include "string-list.h"
   7
   8char *get_commit_graph_filename(const char *obj_dir);
   9
  10/*
  11 * Given a commit struct, try to fill the commit struct info, including:
  12 *  1. tree object
  13 *  2. date
  14 *  3. parents.
  15 *
  16 * Returns 1 if and only if the commit was found in the packed graph.
  17 *
  18 * See parse_commit_buffer() for the fallback after this call.
  19 */
  20int parse_commit_in_graph(struct commit *item);
  21
  22/*
  23 * It is possible that we loaded commit contents from the commit buffer,
  24 * but we also want to ensure the commit-graph content is correctly
  25 * checked and filled. Fill the graph_pos and generation members of
  26 * the given commit.
  27 */
  28void load_commit_graph_info(struct commit *item);
  29
  30struct tree *get_commit_tree_in_graph(const struct commit *c);
  31
  32struct commit_graph {
  33        int graph_fd;
  34
  35        const unsigned char *data;
  36        size_t data_len;
  37
  38        unsigned char hash_len;
  39        unsigned char num_chunks;
  40        uint32_t num_commits;
  41        struct object_id oid;
  42
  43        const uint32_t *chunk_oid_fanout;
  44        const unsigned char *chunk_oid_lookup;
  45        const unsigned char *chunk_commit_data;
  46        const unsigned char *chunk_large_edges;
  47};
  48
  49struct commit_graph *load_commit_graph_one(const char *graph_file);
  50
  51void write_commit_graph_reachable(const char *obj_dir, int append);
  52void write_commit_graph(const char *obj_dir,
  53                        struct string_list *pack_indexes,
  54                        struct string_list *commit_hex,
  55                        int append);
  56
  57int verify_commit_graph(struct repository *r, struct commit_graph *g);
  58
  59#endif