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 cfcf1cbc 2022-05-31 stsp #define GOT_PACK_CACHE_SIZE 32
34 5e187e2b 2023-05-20 stsp * An open repository needs this many temporary files.
35 13b2bc37 2022-10-23 stsp * This limit sets an upper bound on how many raw objects or blobs can
36 13b2bc37 2022-10-23 stsp * be kept open in parallel.
38 13b2bc37 2022-10-23 stsp #define GOT_REPO_NUM_TEMPFILES 32
40 b343c297 2021-10-11 stsp struct got_packidx_bloom_filter {
41 f8b19efd 2021-10-13 stsp RB_ENTRY(got_packidx_bloom_filter) entry;
42 f8b19efd 2021-10-13 stsp char path[PATH_MAX]; /* on-disk path */
43 f8b19efd 2021-10-13 stsp size_t path_len;
44 b343c297 2021-10-11 stsp struct bloom *bloom;
47 f8b19efd 2021-10-13 stsp RB_HEAD(got_packidx_bloom_filter_tree, got_packidx_bloom_filter);
49 f8b19efd 2021-10-13 stsp static inline int
50 f8b19efd 2021-10-13 stsp got_packidx_bloom_filter_cmp(const struct got_packidx_bloom_filter *f1,
51 f8b19efd 2021-10-13 stsp const struct got_packidx_bloom_filter *f2)
53 f8b19efd 2021-10-13 stsp return got_path_cmp(f1->path, f2->path, f1->path_len, f2->path_len);
56 b9de8018 2022-10-13 stsp struct got_repo_privsep_child {
57 b9de8018 2022-10-13 stsp int imsg_fd;
59 b9de8018 2022-10-13 stsp struct imsgbuf *ibuf;
62 718b3ab0 2018-03-17 stsp struct got_repository {
64 718b3ab0 2018-03-17 stsp char *path_git_dir;
65 6d5a9006 2020-12-16 yzhong int gitdir_fd;
66 b54930d5 2023-02-28 op enum got_hash_algorithm algo;
68 9b576444 2022-03-14 stsp struct got_pathlist_head packidx_paths;
69 1b3e8e86 2022-11-08 stsp struct timespec pack_path_mtime;
71 718b3ab0 2018-03-17 stsp /* The pack index cache speeds up search for packed objects. */
72 6c414261 2021-03-30 stsp struct got_packidx *packidx_cache[GOT_PACK_CACHE_SIZE];
75 b343c297 2021-10-11 stsp * List of bloom filters for pack index files.
76 b343c297 2021-10-11 stsp * Used to avoid opening a pack index in search of an
77 b343c297 2021-10-11 stsp * object ID which is not contained in this pack index.
79 f8b19efd 2021-10-13 stsp struct got_packidx_bloom_filter_tree packidx_bloom_filters;
82 b156a14e 2023-05-20 stsp * Open file handles for pack files. Each struct got_pack uses
83 b156a14e 2023-05-20 stsp * a number of file descriptors. See struct got_pack for details.
85 718b3ab0 2018-03-17 stsp struct got_pack packs[GOT_PACK_CACHE_SIZE];
87 5e187e2b 2023-05-20 stsp /* Open file handles for temporary files. */
88 13b2bc37 2022-10-23 stsp int tempfiles[GOT_REPO_NUM_TEMPFILES];
89 13b2bc37 2022-10-23 stsp uint32_t tempfile_use_mask;
92 6c414261 2021-03-30 stsp * The cache size limit may be lower than GOT_PACK_CACHE_SIZE,
93 6c414261 2021-03-30 stsp * depending on resource limits.
95 6c414261 2021-03-30 stsp int pack_cache_size;
98 61af9b21 2022-06-28 stsp * Index to cache entries which are pinned to avoid eviction.
99 61af9b21 2022-06-28 stsp * This may be used to keep one got-index-pack process alive
100 61af9b21 2022-06-28 stsp * across searches for arbitrary objects which may be stored
101 61af9b21 2022-06-28 stsp * in other pack files.
103 61af9b21 2022-06-28 stsp int pinned_pack;
104 61af9b21 2022-06-28 stsp pid_t pinned_pid;
105 61af9b21 2022-06-28 stsp int pinned_packidx;
107 ad242220 2018-09-08 stsp /* Handles to child processes for reading loose objects. */
108 b9de8018 2022-10-13 stsp struct got_repo_privsep_child privsep_children[5];
109 ad242220 2018-09-08 stsp #define GOT_REPO_PRIVSEP_CHILD_OBJECT 0
110 ad242220 2018-09-08 stsp #define GOT_REPO_PRIVSEP_CHILD_COMMIT 1
111 ad242220 2018-09-08 stsp #define GOT_REPO_PRIVSEP_CHILD_TREE 2
112 ad242220 2018-09-08 stsp #define GOT_REPO_PRIVSEP_CHILD_BLOB 3
113 f4a881ce 2018-11-17 stsp #define GOT_REPO_PRIVSEP_CHILD_TAG 4
115 ad242220 2018-09-08 stsp /* Caches for open objects. */
116 54f20211 2018-06-22 stsp struct got_object_cache objcache;
117 f6be5c30 2018-06-22 stsp struct got_object_cache treecache;
118 1943de01 2018-06-22 stsp struct got_object_cache commitcache;
119 f4a881ce 2018-11-17 stsp struct got_object_cache tagcache;
120 d3c116bf 2021-10-15 stsp struct got_object_cache rawcache;
122 1d126e2d 2019-08-24 stsp /* Settings read from Git configuration files. */
123 aba9c984 2019-09-08 stsp int gitconfig_repository_format_version;
124 aba9c984 2019-09-08 stsp char *gitconfig_author_name;
125 aba9c984 2019-09-08 stsp char *gitconfig_author_email;
126 c9956ddf 2019-09-08 stsp char *global_gitconfig_author_name;
127 c9956ddf 2019-09-08 stsp char *global_gitconfig_author_email;
128 cd95becd 2019-11-29 stsp int ngitconfig_remotes;
129 cd95becd 2019-11-29 stsp struct got_remote_repo *gitconfig_remotes;
130 9a1cc63f 2020-02-03 stsp char *gitconfig_owner;
131 27749ea2 2023-02-05 op char **extnames;
132 27749ea2 2023-02-05 op char **extvals;
133 20b7abb3 2020-10-22 stsp int nextensions;
135 257add31 2020-09-09 stsp /* Settings read from got.conf. */
136 50b0790e 2020-09-11 stsp struct got_gotconfig *gotconfig;
139 f6be5c30 2018-06-22 stsp const struct got_error*got_repo_cache_object(struct got_repository *,
140 f6be5c30 2018-06-22 stsp struct got_object_id *, struct got_object *);
141 7bb0daa1 2018-06-21 stsp struct got_object *got_repo_get_cached_object(struct got_repository *,
142 7bb0daa1 2018-06-21 stsp struct got_object_id *);
143 f6be5c30 2018-06-22 stsp const struct got_error*got_repo_cache_tree(struct got_repository *,
144 f6be5c30 2018-06-22 stsp struct got_object_id *, struct got_tree_object *);
145 f6be5c30 2018-06-22 stsp struct got_tree_object *got_repo_get_cached_tree(struct got_repository *,
146 f6be5c30 2018-06-22 stsp struct got_object_id *);
147 1943de01 2018-06-22 stsp const struct got_error*got_repo_cache_commit(struct got_repository *,
148 1943de01 2018-06-22 stsp struct got_object_id *, struct got_commit_object *);
149 1943de01 2018-06-22 stsp struct got_commit_object *got_repo_get_cached_commit(struct got_repository *,
150 1943de01 2018-06-22 stsp struct got_object_id *);
151 f4a881ce 2018-11-17 stsp const struct got_error*got_repo_cache_tag(struct got_repository *,
152 f4a881ce 2018-11-17 stsp struct got_object_id *, struct got_tag_object *);
153 f4a881ce 2018-11-17 stsp struct got_tag_object *got_repo_get_cached_tag(struct got_repository *,
154 f4a881ce 2018-11-17 stsp struct got_object_id *);
155 d3c116bf 2021-10-15 stsp const struct got_error*got_repo_cache_raw_object(struct got_repository *,
156 d3c116bf 2021-10-15 stsp struct got_object_id *, struct got_raw_object *);
157 d3c116bf 2021-10-15 stsp struct got_raw_object *got_repo_get_cached_raw_object(struct got_repository *,
158 d3c116bf 2021-10-15 stsp struct got_object_id *);
159 1124fe40 2021-07-07 stsp int got_repo_is_packidx_filename(const char *, size_t);
160 67fd6849 2022-02-13 stsp int got_repo_check_packidx_bloom_filter(struct got_repository *,
161 67fd6849 2022-02-13 stsp const char *, struct got_object_id *);
162 1510f469 2018-09-09 stsp const struct got_error *got_repo_search_packidx(struct got_packidx **, int *,
163 1510f469 2018-09-09 stsp struct got_repository *, struct got_object_id *);
164 67fd6849 2022-02-13 stsp const struct got_error *got_repo_list_packidx(struct got_pathlist_head *,
165 67fd6849 2022-02-13 stsp struct got_repository *);
166 67fd6849 2022-02-13 stsp const struct got_error *got_repo_get_packidx(struct got_packidx **, const char *,
167 67fd6849 2022-02-13 stsp struct got_repository *);
168 1510f469 2018-09-09 stsp const struct got_error *got_repo_cache_pack(struct got_pack **,
169 1510f469 2018-09-09 stsp struct got_repository *, const char *, struct got_packidx *);
170 61af9b21 2022-06-28 stsp struct got_pack *got_repo_get_cached_pack(struct got_repository *,
171 61af9b21 2022-06-28 stsp const char *);
172 61af9b21 2022-06-28 stsp const struct got_error *got_repo_pin_pack(struct got_repository *,
173 61af9b21 2022-06-28 stsp struct got_packidx *, struct got_pack *);
174 61af9b21 2022-06-28 stsp struct got_pack *got_repo_get_pinned_pack(struct got_repository *);
175 61af9b21 2022-06-28 stsp void got_repo_unpin_pack(struct got_repository *);
177 6a800804 2022-10-13 stsp const struct got_error *got_repo_read_gitconfig(int *, char **, char **,
178 27749ea2 2023-02-05 op struct got_remote_repo **, int *, char **, char ***, char ***, int *,
179 6a800804 2022-10-13 stsp const char *);
181 13b2bc37 2022-10-23 stsp const struct got_error *got_repo_temp_fds_get(int *, int *,
182 13b2bc37 2022-10-23 stsp struct got_repository *);
183 13b2bc37 2022-10-23 stsp void got_repo_temp_fds_put(int, struct got_repository *);
