1#ifndef REPOSITORY_H 2#define REPOSITORY_H 3 4struct config_set; 5struct git_hash_algo; 6struct index_state; 7struct raw_object_store; 8struct submodule_cache; 9 10struct repository { 11 /* Environment */ 12 /* 13 * Path to the git directory. 14 * Cannot be NULL after initialization. 15 */ 16 char *gitdir; 17 18 /* 19 * Path to the common git directory. 20 * Cannot be NULL after initialization. 21 */ 22 char *commondir; 23 24 /* 25 * Holds any information related to accessing the raw object content. 26 */ 27 struct raw_object_store *objects; 28 29 /* 30 * Path to the repository's graft file. 31 * Cannot be NULL after initialization. 32 */ 33 char *graft_file; 34 35 /* 36 * Path to the current worktree's index file. 37 * Cannot be NULL after initialization. 38 */ 39 char *index_file; 40 41 /* 42 * Path to the working directory. 43 * A NULL value indicates that there is no working directory. 44 */ 45 char *worktree; 46 47 /* 48 * Path from the root of the top-level superproject down to this 49 * repository. This is only non-NULL if the repository is initialized 50 * as a submodule of another repository. 51 */ 52 char *submodule_prefix; 53 54 /* Subsystems */ 55 /* 56 * Repository's config which contains key-value pairs from the usual 57 * set of config files (i.e. repo specific .git/config, user wide 58 * ~/.gitconfig, XDG config file and the global /etc/gitconfig) 59 */ 60 struct config_set *config; 61 62 /* Repository's submodule config as defined by '.gitmodules' */ 63 struct submodule_cache *submodule_cache; 64 65 /* 66 * Repository's in-memory index. 67 * 'repo_read_index()' can be used to populate 'index'. 68 */ 69 struct index_state *index; 70 71 /* Repository's current hash algorithm, as serialized on disk. */ 72 const struct git_hash_algo *hash_algo; 73 74 /* Configurations */ 75 76 /* Indicate if a repository has a different 'commondir' from 'gitdir' */ 77 unsigned different_commondir:1; 78}; 79 80extern struct repository *the_repository; 81 82/* 83 * Define a custom repository layout. Any field can be NULL, which 84 * will default back to the path according to the default layout. 85 */ 86struct set_gitdir_args { 87 const char *commondir; 88 const char *object_dir; 89 const char *graft_file; 90 const char *index_file; 91 const char *alternate_db; 92}; 93 94extern void repo_set_gitdir(struct repository *repo, 95 const char *root, 96 const struct set_gitdir_args *extra_args); 97extern void repo_set_worktree(struct repository *repo, const char *path); 98extern void repo_set_hash_algo(struct repository *repo, int algo); 99extern void initialize_the_repository(void); 100extern int repo_submodule_init(struct repository *submodule, 101 struct repository *superproject, 102 const char *path); 103extern void repo_clear(struct repository *repo); 104 105/* 106 * Populates the repository's index from its index_file, an index struct will 107 * be allocated if needed. 108 * 109 * Return the number of index entries in the populated index or a value less 110 * than zero if an error occured. If the repository's index has already been 111 * populated then the number of entries will simply be returned. 112 */ 113extern int repo_read_index(struct repository *repo); 114 115#endif /* REPOSITORY_H */