4 #include "git-compat-util.h"
5 #include "repository.h"
6 #include "string-list.h"
9 #define GIT_TEST_COMMIT_GRAPH "GIT_TEST_COMMIT_GRAPH"
10 #define GIT_TEST_COMMIT_GRAPH_DIE_ON_LOAD "GIT_TEST_COMMIT_GRAPH_DIE_ON_LOAD"
14 char *get_commit_graph_filename(const char *obj_dir
);
15 int open_commit_graph(const char *graph_file
, int *fd
, struct stat
*st
);
18 * Given a commit struct, try to fill the commit struct info, including:
23 * Returns 1 if and only if the commit was found in the packed graph.
25 * See parse_commit_buffer() for the fallback after this call.
27 int parse_commit_in_graph(struct repository
*r
, struct commit
*item
);
30 * It is possible that we loaded commit contents from the commit buffer,
31 * but we also want to ensure the commit-graph content is correctly
32 * checked and filled. Fill the graph_pos and generation members of
35 void load_commit_graph_info(struct repository
*r
, struct commit
*item
);
37 struct tree
*get_commit_tree_in_graph(struct repository
*r
,
38 const struct commit
*c
);
43 const unsigned char *data
;
46 unsigned char hash_len
;
47 unsigned char num_chunks
;
51 const uint32_t *chunk_oid_fanout
;
52 const unsigned char *chunk_oid_lookup
;
53 const unsigned char *chunk_commit_data
;
54 const unsigned char *chunk_extra_edges
;
57 struct commit_graph
*load_commit_graph_one_fd_st(int fd
, struct stat
*st
);
59 struct commit_graph
*parse_commit_graph(void *graph_map
, int fd
,
63 * Return 1 if and only if the repository has a commit-graph
64 * file and generation numbers are computed in that file.
66 int generation_numbers_enabled(struct repository
*r
);
69 * The write_commit_graph* methods return zero on success
70 * and a negative value on failure. Note that if the repository
71 * is not compatible with the commit-graph feature, then the
72 * methods will return 0 without writing a commit-graph.
74 int write_commit_graph_reachable(const char *obj_dir
, int append
,
76 int write_commit_graph(const char *obj_dir
,
77 struct string_list
*pack_indexes
,
78 struct string_list
*commit_hex
,
79 int append
, int report_progress
);
81 int verify_commit_graph(struct repository
*r
, struct commit_graph
*g
);
83 void close_commit_graph(struct repository
*);
84 void free_commit_graph(struct commit_graph
*);