Andrew's git - gitweb.git/blob

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