Add missing includes and forward declarations
[git/git.git] / repository.h
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1#ifndef REPOSITORY_H
2#define REPOSITORY_H
3
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4#include "path.h"
5
3b256228 6struct config_set;
90c62155 7struct git_hash_algo;
639e30b5 8struct index_state;
90c62155 9struct raw_object_store;
bf12fcdf 10struct submodule_cache;
3b256228 11
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12struct repository {
13 /* Environment */
14 /*
15 * Path to the git directory.
16 * Cannot be NULL after initialization.
17 */
18 char *gitdir;
19
20 /*
21 * Path to the common git directory.
22 * Cannot be NULL after initialization.
23 */
24 char *commondir;
25
26 /*
90c62155 27 * Holds any information related to accessing the raw object content.
359efeff 28 */
90c62155 29 struct raw_object_store *objects;
7bc0dcaa 30
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31 /*
32 * All objects in this repository that have been parsed. This structure
33 * owns all objects it references, so users of "struct object *"
34 * generally do not need to free them; instead, when a repository is no
35 * longer used, call parsed_object_pool_clear() on this structure, which
36 * is called by the repositories repo_clear on its desconstruction.
37 */
38 struct parsed_object_pool *parsed_objects;
39
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40 /* The store in which the refs are held. */
41 struct ref_store *refs;
42
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43 /*
44 * Contains path to often used file names.
45 */
46 struct path_cache cached_paths;
47
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48 /*
49 * Path to the repository's graft file.
50 * Cannot be NULL after initialization.
51 */
52 char *graft_file;
53
54 /*
55 * Path to the current worktree's index file.
56 * Cannot be NULL after initialization.
57 */
58 char *index_file;
59
60 /*
61 * Path to the working directory.
62 * A NULL value indicates that there is no working directory.
63 */
64 char *worktree;
65
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66 /*
67 * Path from the root of the top-level superproject down to this
68 * repository. This is only non-NULL if the repository is initialized
69 * as a submodule of another repository.
70 */
71 char *submodule_prefix;
72
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73 /* Subsystems */
74 /*
75 * Repository's config which contains key-value pairs from the usual
76 * set of config files (i.e. repo specific .git/config, user wide
77 * ~/.gitconfig, XDG config file and the global /etc/gitconfig)
78 */
79 struct config_set *config;
80
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81 /* Repository's submodule config as defined by '.gitmodules' */
82 struct submodule_cache *submodule_cache;
83
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84 /*
85 * Repository's in-memory index.
86 * 'repo_read_index()' can be used to populate 'index'.
87 */
88 struct index_state *index;
89
78a67668 90 /* Repository's current hash algorithm, as serialized on disk. */
91 const struct git_hash_algo *hash_algo;
92
359efeff 93 /* Configurations */
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94
95 /* Indicate if a repository has a different 'commondir' from 'gitdir' */
96 unsigned different_commondir:1;
97};
98
99extern struct repository *the_repository;
100
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101/*
102 * Define a custom repository layout. Any field can be NULL, which
103 * will default back to the path according to the default layout.
104 */
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105struct set_gitdir_args {
106 const char *commondir;
107 const char *object_dir;
108 const char *graft_file;
109 const char *index_file;
7bc0dcaa 110 const char *alternate_db;
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111};
112
113extern void repo_set_gitdir(struct repository *repo,
114 const char *root,
00a3da2a 115 const struct set_gitdir_args *extra_args);
359efeff 116extern void repo_set_worktree(struct repository *repo, const char *path);
78a67668 117extern void repo_set_hash_algo(struct repository *repo, int algo);
b2f0ecee 118extern void initialize_the_repository(void);
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119extern int repo_init(struct repository *r,
120 const char *gitdir,
121 const char *worktree);
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122extern int repo_submodule_init(struct repository *submodule,
123 struct repository *superproject,
124 const char *path);
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125extern void repo_clear(struct repository *repo);
126
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127/*
128 * Populates the repository's index from its index_file, an index struct will
129 * be allocated if needed.
130 *
131 * Return the number of index entries in the populated index or a value less
132 * than zero if an error occured. If the repository's index has already been
133 * populated then the number of entries will simply be returned.
134 */
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135extern int repo_read_index(struct repository *repo);
136
359efeff 137#endif /* REPOSITORY_H */