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359efeff BW |
1 | #ifndef REPOSITORY_H |
2 | #define REPOSITORY_H | |
3 | ||
ef3ca954 EN |
4 | #include "path.h" |
5 | ||
3b256228 | 6 | struct config_set; |
90c62155 | 7 | struct git_hash_algo; |
639e30b5 | 8 | struct index_state; |
3a95f31d | 9 | struct lock_file; |
e1ff0a32 | 10 | struct pathspec; |
90c62155 | 11 | struct raw_object_store; |
bf12fcdf | 12 | struct submodule_cache; |
3b256228 | 13 | |
ad0fb659 DS |
14 | enum untracked_cache_setting { |
15 | UNTRACKED_CACHE_UNSET = -1, | |
16 | UNTRACKED_CACHE_REMOVE = 0, | |
17 | UNTRACKED_CACHE_KEEP = 1, | |
18 | UNTRACKED_CACHE_WRITE = 2 | |
19 | }; | |
20 | ||
aaf633c2 DS |
21 | enum fetch_negotiation_setting { |
22 | FETCH_NEGOTIATION_UNSET = -1, | |
23 | FETCH_NEGOTIATION_NONE = 0, | |
24 | FETCH_NEGOTIATION_DEFAULT = 1, | |
25 | FETCH_NEGOTIATION_SKIPPING = 2, | |
cbe566a0 | 26 | FETCH_NEGOTIATION_NOOP = 3, |
aaf633c2 DS |
27 | }; |
28 | ||
7211b9e7 DS |
29 | struct repo_settings { |
30 | int initialized; | |
31 | ||
32 | int core_commit_graph; | |
b66d8475 | 33 | int commit_graph_read_changed_paths; |
7211b9e7 | 34 | int gc_write_commit_graph; |
50f26bd0 | 35 | int fetch_write_commit_graph; |
7211b9e7 DS |
36 | |
37 | int index_version; | |
ad0fb659 | 38 | enum untracked_cache_setting core_untracked_cache; |
7211b9e7 DS |
39 | |
40 | int pack_use_sparse; | |
aaf633c2 | 41 | enum fetch_negotiation_setting fetch_negotiation_algorithm; |
7211b9e7 DS |
42 | }; |
43 | ||
359efeff BW |
44 | struct repository { |
45 | /* Environment */ | |
46 | /* | |
47 | * Path to the git directory. | |
48 | * Cannot be NULL after initialization. | |
49 | */ | |
50 | char *gitdir; | |
51 | ||
52 | /* | |
53 | * Path to the common git directory. | |
54 | * Cannot be NULL after initialization. | |
55 | */ | |
56 | char *commondir; | |
57 | ||
58 | /* | |
90c62155 | 59 | * Holds any information related to accessing the raw object content. |
359efeff | 60 | */ |
90c62155 | 61 | struct raw_object_store *objects; |
7bc0dcaa | 62 | |
99bf115c SB |
63 | /* |
64 | * All objects in this repository that have been parsed. This structure | |
65 | * owns all objects it references, so users of "struct object *" | |
66 | * generally do not need to free them; instead, when a repository is no | |
67 | * longer used, call parsed_object_pool_clear() on this structure, which | |
68 | * is called by the repositories repo_clear on its desconstruction. | |
69 | */ | |
70 | struct parsed_object_pool *parsed_objects; | |
71 | ||
02204610 JK |
72 | /* |
73 | * The store in which the refs are held. This should generally only be | |
74 | * accessed via get_main_ref_store(), as that will lazily initialize | |
75 | * the ref object. | |
76 | */ | |
77 | struct ref_store *refs_private; | |
64a74161 | 78 | |
102de880 SB |
79 | /* |
80 | * Contains path to often used file names. | |
81 | */ | |
82 | struct path_cache cached_paths; | |
83 | ||
359efeff BW |
84 | /* |
85 | * Path to the repository's graft file. | |
86 | * Cannot be NULL after initialization. | |
87 | */ | |
88 | char *graft_file; | |
89 | ||
90 | /* | |
91 | * Path to the current worktree's index file. | |
92 | * Cannot be NULL after initialization. | |
93 | */ | |
94 | char *index_file; | |
95 | ||
96 | /* | |
97 | * Path to the working directory. | |
98 | * A NULL value indicates that there is no working directory. | |
99 | */ | |
100 | char *worktree; | |
101 | ||
96dc883b BW |
102 | /* |
103 | * Path from the root of the top-level superproject down to this | |
104 | * repository. This is only non-NULL if the repository is initialized | |
105 | * as a submodule of another repository. | |
106 | */ | |
107 | char *submodule_prefix; | |
108 | ||
7211b9e7 DS |
109 | struct repo_settings settings; |
110 | ||
3b256228 BW |
111 | /* Subsystems */ |
112 | /* | |
113 | * Repository's config which contains key-value pairs from the usual | |
114 | * set of config files (i.e. repo specific .git/config, user wide | |
115 | * ~/.gitconfig, XDG config file and the global /etc/gitconfig) | |
116 | */ | |
117 | struct config_set *config; | |
118 | ||
bf12fcdf BW |
119 | /* Repository's submodule config as defined by '.gitmodules' */ |
120 | struct submodule_cache *submodule_cache; | |
121 | ||
639e30b5 BW |
122 | /* |
123 | * Repository's in-memory index. | |
124 | * 'repo_read_index()' can be used to populate 'index'. | |
125 | */ | |
126 | struct index_state *index; | |
127 | ||
78a67668 | 128 | /* Repository's current hash algorithm, as serialized on disk. */ |
129 | const struct git_hash_algo *hash_algo; | |
130 | ||
ee4512ed JH |
131 | /* A unique-id for tracing purposes. */ |
132 | int trace2_repo_id; | |
133 | ||
6abada18 JK |
134 | /* True if commit-graph has been disabled within this process. */ |
135 | int commit_graph_disabled; | |
136 | ||
359efeff | 137 | /* Configurations */ |
359efeff BW |
138 | |
139 | /* Indicate if a repository has a different 'commondir' from 'gitdir' */ | |
140 | unsigned different_commondir:1; | |
141 | }; | |
142 | ||
143 | extern struct repository *the_repository; | |
144 | ||
00a3da2a NTND |
145 | /* |
146 | * Define a custom repository layout. Any field can be NULL, which | |
147 | * will default back to the path according to the default layout. | |
148 | */ | |
357a03eb NTND |
149 | struct set_gitdir_args { |
150 | const char *commondir; | |
151 | const char *object_dir; | |
152 | const char *graft_file; | |
153 | const char *index_file; | |
7bc0dcaa | 154 | const char *alternate_db; |
357a03eb NTND |
155 | }; |
156 | ||
c2ec4175 NTND |
157 | void repo_set_gitdir(struct repository *repo, const char *root, |
158 | const struct set_gitdir_args *extra_args); | |
159 | void repo_set_worktree(struct repository *repo, const char *path); | |
160 | void repo_set_hash_algo(struct repository *repo, int algo); | |
161 | void initialize_the_repository(void); | |
162 | int repo_init(struct repository *r, const char *gitdir, const char *worktree); | |
d5498e08 SB |
163 | |
164 | /* | |
165 | * Initialize the repository 'subrepo' as the submodule given by the | |
166 | * struct submodule 'sub' in parent repository 'superproject'. | |
167 | * Return 0 upon success and a non-zero value upon failure, which may happen | |
168 | * if the submodule is not found, or 'sub' is NULL. | |
169 | */ | |
170 | struct submodule; | |
171 | int repo_submodule_init(struct repository *subrepo, | |
c2ec4175 | 172 | struct repository *superproject, |
d5498e08 | 173 | const struct submodule *sub); |
c2ec4175 | 174 | void repo_clear(struct repository *repo); |
359efeff | 175 | |
3f138775 BW |
176 | /* |
177 | * Populates the repository's index from its index_file, an index struct will | |
178 | * be allocated if needed. | |
179 | * | |
180 | * Return the number of index entries in the populated index or a value less | |
15beaaa3 | 181 | * than zero if an error occurred. If the repository's index has already been |
3f138775 BW |
182 | * populated then the number of entries will simply be returned. |
183 | */ | |
c2ec4175 | 184 | int repo_read_index(struct repository *repo); |
3a95f31d NTND |
185 | int repo_hold_locked_index(struct repository *repo, |
186 | struct lock_file *lf, | |
187 | int flags); | |
639e30b5 | 188 | |
e1ff0a32 NTND |
189 | int repo_read_index_preload(struct repository *, |
190 | const struct pathspec *pathspec, | |
191 | unsigned refresh_flags); | |
192 | int repo_read_index_unmerged(struct repository *); | |
1b0d968b NTND |
193 | /* |
194 | * Opportunistically update the index but do not complain if we can't. | |
195 | * The lockfile is always committed or rolled back. | |
196 | */ | |
197 | void repo_update_index_if_able(struct repository *, struct lock_file *); | |
198 | ||
7211b9e7 | 199 | void prepare_repo_settings(struct repository *r); |
639e30b5 | 200 | |
16af5f1a XL |
201 | /* |
202 | * Return 1 if upgrade repository format to target_version succeeded, | |
203 | * 0 if no upgrade is necessary, and -1 when upgrade is not possible. | |
204 | */ | |
205 | int upgrade_repository_format(int target_version); | |
206 | ||
359efeff | 207 | #endif /* REPOSITORY_H */ |