2 718b3ab0 2018-03-17 stsp * Copyright (c) 2018 Stefan Sperling <stsp@openbsd.org>
4 718b3ab0 2018-03-17 stsp * Permission to use, copy, modify, and distribute this software for any
5 718b3ab0 2018-03-17 stsp * purpose with or without fee is hereby granted, provided that the above
6 718b3ab0 2018-03-17 stsp * copyright notice and this permission notice appear in all copies.
8 718b3ab0 2018-03-17 stsp * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9 718b3ab0 2018-03-17 stsp * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10 718b3ab0 2018-03-17 stsp * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
11 718b3ab0 2018-03-17 stsp * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12 718b3ab0 2018-03-17 stsp * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
13 718b3ab0 2018-03-17 stsp * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
14 718b3ab0 2018-03-17 stsp * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17 66cba96f 2020-03-18 stsp #define GOT_GIT_DIR ".git"
19 66cba96f 2020-03-18 stsp /* Mandatory files and directories inside the git directory. */
20 66cba96f 2020-03-18 stsp #define GOT_OBJECTS_DIR "objects"
21 66cba96f 2020-03-18 stsp #define GOT_REFS_DIR "refs"
22 66cba96f 2020-03-18 stsp #define GOT_HEAD_FILE "HEAD"
23 66cba96f 2020-03-18 stsp #define GOT_GITCONFIG "config"
25 66cba96f 2020-03-18 stsp /* Other files and directories inside the git directory. */
26 66cba96f 2020-03-18 stsp #define GOT_FETCH_HEAD_FILE "FETCH_HEAD"
27 66cba96f 2020-03-18 stsp #define GOT_ORIG_HEAD_FILE "ORIG_HEAD"
28 66cba96f 2020-03-18 stsp #define GOT_OBJECTS_PACK_DIR "objects/pack"
29 66cba96f 2020-03-18 stsp #define GOT_PACKED_REFS_FILE "packed-refs"
31 6cb2eb6e 2022-05-31 thomas #define GOT_PACK_CACHE_SIZE 32
33 4545b700 2021-10-15 thomas struct got_packidx_bloom_filter {
34 cfe41121 2021-10-16 thomas RB_ENTRY(got_packidx_bloom_filter) entry;
35 cfe41121 2021-10-16 thomas char path[PATH_MAX]; /* on-disk path */
36 cfe41121 2021-10-16 thomas size_t path_len;
37 4545b700 2021-10-15 thomas struct bloom *bloom;
40 cfe41121 2021-10-16 thomas RB_HEAD(got_packidx_bloom_filter_tree, got_packidx_bloom_filter);
42 cfe41121 2021-10-16 thomas static inline int
43 cfe41121 2021-10-16 thomas got_packidx_bloom_filter_cmp(const struct got_packidx_bloom_filter *f1,
44 cfe41121 2021-10-16 thomas const struct got_packidx_bloom_filter *f2)
46 cfe41121 2021-10-16 thomas return got_path_cmp(f1->path, f2->path, f1->path_len, f2->path_len);
49 718b3ab0 2018-03-17 stsp struct got_repository {
51 718b3ab0 2018-03-17 stsp char *path_git_dir;
52 6d5a9006 2020-12-16 yzhong int gitdir_fd;
54 de47d040 2022-03-22 thomas struct got_pathlist_head packidx_paths;
55 04051e8b 2022-09-02 thomas time_t pack_path_mtime;
57 718b3ab0 2018-03-17 stsp /* The pack index cache speeds up search for packed objects. */
58 6c414261 2021-03-30 stsp struct got_packidx *packidx_cache[GOT_PACK_CACHE_SIZE];
61 4545b700 2021-10-15 thomas * List of bloom filters for pack index files.
62 4545b700 2021-10-15 thomas * Used to avoid opening a pack index in search of an
63 4545b700 2021-10-15 thomas * object ID which is not contained in this pack index.
65 cfe41121 2021-10-16 thomas struct got_packidx_bloom_filter_tree packidx_bloom_filters;
67 6c6d3ed3 2018-04-02 stsp /* Open file handles for pack files. */
68 718b3ab0 2018-03-17 stsp struct got_pack packs[GOT_PACK_CACHE_SIZE];
71 6c414261 2021-03-30 stsp * The cache size limit may be lower than GOT_PACK_CACHE_SIZE,
72 6c414261 2021-03-30 stsp * depending on resource limits.
74 6c414261 2021-03-30 stsp int pack_cache_size;
77 ec2b23c5 2022-07-01 thomas * Index to cache entries which are pinned to avoid eviction.
78 ec2b23c5 2022-07-01 thomas * This may be used to keep one got-index-pack process alive
79 ec2b23c5 2022-07-01 thomas * across searches for arbitrary objects which may be stored
80 ec2b23c5 2022-07-01 thomas * in other pack files.
82 ec2b23c5 2022-07-01 thomas int pinned_pack;
83 ec2b23c5 2022-07-01 thomas pid_t pinned_pid;
84 ec2b23c5 2022-07-01 thomas int pinned_packidx;
86 ad242220 2018-09-08 stsp /* Handles to child processes for reading loose objects. */
87 abc59930 2021-09-05 naddy struct got_privsep_child privsep_children[5];
88 ad242220 2018-09-08 stsp #define GOT_REPO_PRIVSEP_CHILD_OBJECT 0
89 ad242220 2018-09-08 stsp #define GOT_REPO_PRIVSEP_CHILD_COMMIT 1
90 ad242220 2018-09-08 stsp #define GOT_REPO_PRIVSEP_CHILD_TREE 2
91 ad242220 2018-09-08 stsp #define GOT_REPO_PRIVSEP_CHILD_BLOB 3
92 f4a881ce 2018-11-17 stsp #define GOT_REPO_PRIVSEP_CHILD_TAG 4
94 ad242220 2018-09-08 stsp /* Caches for open objects. */
95 54f20211 2018-06-22 stsp struct got_object_cache objcache;
96 f6be5c30 2018-06-22 stsp struct got_object_cache treecache;
97 1943de01 2018-06-22 stsp struct got_object_cache commitcache;
98 f4a881ce 2018-11-17 stsp struct got_object_cache tagcache;
99 8ab9215c 2021-10-15 thomas struct got_object_cache rawcache;
101 1d126e2d 2019-08-24 stsp /* Settings read from Git configuration files. */
102 aba9c984 2019-09-08 stsp int gitconfig_repository_format_version;
103 aba9c984 2019-09-08 stsp char *gitconfig_author_name;
104 aba9c984 2019-09-08 stsp char *gitconfig_author_email;
105 c9956ddf 2019-09-08 stsp char *global_gitconfig_author_name;
106 c9956ddf 2019-09-08 stsp char *global_gitconfig_author_email;
107 cd95becd 2019-11-29 stsp int ngitconfig_remotes;
108 cd95becd 2019-11-29 stsp struct got_remote_repo *gitconfig_remotes;
109 9a1cc63f 2020-02-03 stsp char *gitconfig_owner;
110 20b7abb3 2020-10-22 stsp char **extensions;
111 20b7abb3 2020-10-22 stsp int nextensions;
113 257add31 2020-09-09 stsp /* Settings read from got.conf. */
114 50b0790e 2020-09-11 stsp struct got_gotconfig *gotconfig;
117 f6be5c30 2018-06-22 stsp const struct got_error*got_repo_cache_object(struct got_repository *,
118 f6be5c30 2018-06-22 stsp struct got_object_id *, struct got_object *);
119 7bb0daa1 2018-06-21 stsp struct got_object *got_repo_get_cached_object(struct got_repository *,
120 7bb0daa1 2018-06-21 stsp struct got_object_id *);
121 f6be5c30 2018-06-22 stsp const struct got_error*got_repo_cache_tree(struct got_repository *,
122 f6be5c30 2018-06-22 stsp struct got_object_id *, struct got_tree_object *);
123 f6be5c30 2018-06-22 stsp struct got_tree_object *got_repo_get_cached_tree(struct got_repository *,
124 f6be5c30 2018-06-22 stsp struct got_object_id *);
125 1943de01 2018-06-22 stsp const struct got_error*got_repo_cache_commit(struct got_repository *,
126 1943de01 2018-06-22 stsp struct got_object_id *, struct got_commit_object *);
127 1943de01 2018-06-22 stsp struct got_commit_object *got_repo_get_cached_commit(struct got_repository *,
128 1943de01 2018-06-22 stsp struct got_object_id *);
129 f4a881ce 2018-11-17 stsp const struct got_error*got_repo_cache_tag(struct got_repository *,
130 f4a881ce 2018-11-17 stsp struct got_object_id *, struct got_tag_object *);
131 f4a881ce 2018-11-17 stsp struct got_tag_object *got_repo_get_cached_tag(struct got_repository *,
132 f4a881ce 2018-11-17 stsp struct got_object_id *);
133 8ab9215c 2021-10-15 thomas const struct got_error*got_repo_cache_raw_object(struct got_repository *,
134 8ab9215c 2021-10-15 thomas struct got_object_id *, struct got_raw_object *);
135 8ab9215c 2021-10-15 thomas struct got_raw_object *got_repo_get_cached_raw_object(struct got_repository *,
136 8ab9215c 2021-10-15 thomas struct got_object_id *);
137 1124fe40 2021-07-07 stsp int got_repo_is_packidx_filename(const char *, size_t);
138 f9c2e8e5 2022-02-13 thomas int got_repo_check_packidx_bloom_filter(struct got_repository *,
139 f9c2e8e5 2022-02-13 thomas const char *, struct got_object_id *);
140 1510f469 2018-09-09 stsp const struct got_error *got_repo_search_packidx(struct got_packidx **, int *,
141 1510f469 2018-09-09 stsp struct got_repository *, struct got_object_id *);
142 f9c2e8e5 2022-02-13 thomas const struct got_error *got_repo_list_packidx(struct got_pathlist_head *,
143 f9c2e8e5 2022-02-13 thomas struct got_repository *);
144 f9c2e8e5 2022-02-13 thomas const struct got_error *got_repo_get_packidx(struct got_packidx **, const char *,
145 f9c2e8e5 2022-02-13 thomas struct got_repository *);
146 1510f469 2018-09-09 stsp const struct got_error *got_repo_cache_pack(struct got_pack **,
147 1510f469 2018-09-09 stsp struct got_repository *, const char *, struct got_packidx *);
148 ec2b23c5 2022-07-01 thomas struct got_pack *got_repo_get_cached_pack(struct got_repository *,
149 ec2b23c5 2022-07-01 thomas const char *);
150 ec2b23c5 2022-07-01 thomas const struct got_error *got_repo_pin_pack(struct got_repository *,
151 ec2b23c5 2022-07-01 thomas struct got_packidx *, struct got_pack *);
152 ec2b23c5 2022-07-01 thomas struct got_pack *got_repo_get_pinned_pack(struct got_repository *);
153 ec2b23c5 2022-07-01 thomas void got_repo_unpin_pack(struct got_repository *);
