git.oblomov.eu Git - git/blob - commit-graph.h

   1 #ifndef COMMIT_GRAPH_H
   2 #define COMMIT_GRAPH_H
   3
   4 #include "git-compat-util.h"
   5
   6 char *get_commit_graph_filename(const char *obj_dir);
   7
   8 /*
   9  * Given a commit struct, try to fill the commit struct info, including:
  10  *  1. tree object
  11  *  2. date
  12  *  3. parents.
  13  *
  14  * Returns 1 if and only if the commit was found in the packed graph.
  15  *
  16  * See parse_commit_buffer() for the fallback after this call.
  17  */
  18 int parse_commit_in_graph(struct commit *item);
  19
  20 struct commit_graph {
  21         int graph_fd;
  22
  23         const unsigned char *data;
  24         size_t data_len;
  25
  26         unsigned char hash_len;
  27         unsigned char num_chunks;
  28         uint32_t num_commits;
  29         struct object_id oid;
  30
  31         const uint32_t *chunk_oid_fanout;
  32         const unsigned char *chunk_oid_lookup;
  33         const unsigned char *chunk_commit_data;
  34         const unsigned char *chunk_large_edges;
  35 };
  36
  37 struct commit_graph *load_commit_graph_one(const char *graph_file);
  38
  39 void write_commit_graph(const char *obj_dir,
  40                         const char **pack_indexes,
  41                         int nr_packs,
  42                         const char **commit_hex,
  43                         int nr_commits,
  44                         int append);
  45
  46 #endif