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#ifndef REPOSITORY_H
#define REPOSITORY_H
#include "path.h"
struct config_set;
struct git_hash_algo;
struct index_state;
struct lock_file;
struct pathspec;
struct raw_object_store;
struct submodule_cache;
enum untracked_cache_setting {
UNTRACKED_CACHE_UNSET = -1,
UNTRACKED_CACHE_REMOVE = 0,
UNTRACKED_CACHE_KEEP = 1,
UNTRACKED_CACHE_WRITE = 2
};
enum fetch_negotiation_setting {
FETCH_NEGOTIATION_UNSET = -1,
FETCH_NEGOTIATION_NONE = 0,
FETCH_NEGOTIATION_DEFAULT = 1,
FETCH_NEGOTIATION_SKIPPING = 2,
};
struct repo_settings {
int initialized;
int core_commit_graph;
int gc_write_commit_graph;
int fetch_write_commit_graph;
int index_version;
enum untracked_cache_setting core_untracked_cache;
int pack_use_sparse;
enum fetch_negotiation_setting fetch_negotiation_algorithm;
int core_multi_pack_index;
};
struct repository {
/* Environment */
/*
* Path to the git directory.
* Cannot be NULL after initialization.
*/
char *gitdir;
/*
* Path to the common git directory.
* Cannot be NULL after initialization.
*/
char *commondir;
/*
* Holds any information related to accessing the raw object content.
*/
struct raw_object_store *objects;
/*
* All objects in this repository that have been parsed. This structure
* owns all objects it references, so users of "struct object *"
* generally do not need to free them; instead, when a repository is no
* longer used, call parsed_object_pool_clear() on this structure, which
* is called by the repositories repo_clear on its desconstruction.
*/
struct parsed_object_pool *parsed_objects;
/*
* The store in which the refs are held. This should generally only be
* accessed via get_main_ref_store(), as that will lazily initialize
* the ref object.
*/
struct ref_store *refs_private;
/*
* Contains path to often used file names.
*/
struct path_cache cached_paths;
/*
* Path to the repository's graft file.
* Cannot be NULL after initialization.
*/
char *graft_file;
/*
* Path to the current worktree's index file.
* Cannot be NULL after initialization.
*/
char *index_file;
/*
* Path to the working directory.
* A NULL value indicates that there is no working directory.
*/
char *worktree;
/*
* Path from the root of the top-level superproject down to this
* repository. This is only non-NULL if the repository is initialized
* as a submodule of another repository.
*/
char *submodule_prefix;
struct repo_settings settings;
/* Subsystems */
/*
* Repository's config which contains key-value pairs from the usual
* set of config files (i.e. repo specific .git/config, user wide
* ~/.gitconfig, XDG config file and the global /etc/gitconfig)
*/
struct config_set *config;
/* Repository's submodule config as defined by '.gitmodules' */
struct submodule_cache *submodule_cache;
/*
* Repository's in-memory index.
* 'repo_read_index()' can be used to populate 'index'.
*/
struct index_state *index;
/* Repository's current hash algorithm, as serialized on disk. */
const struct git_hash_algo *hash_algo;
/* A unique-id for tracing purposes. */
int trace2_repo_id;
/* True if commit-graph has been disabled within this process. */
int commit_graph_disabled;
/* Configurations */
/* Indicate if a repository has a different 'commondir' from 'gitdir' */
unsigned different_commondir:1;
};
extern struct repository *the_repository;
/*
* Define a custom repository layout. Any field can be NULL, which
* will default back to the path according to the default layout.
*/
struct set_gitdir_args {
const char *commondir;
const char *object_dir;
const char *graft_file;
const char *index_file;
const char *alternate_db;
};
void repo_set_gitdir(struct repository *repo, const char *root,
const struct set_gitdir_args *extra_args);
void repo_set_worktree(struct repository *repo, const char *path);
void repo_set_hash_algo(struct repository *repo, int algo);
void initialize_the_repository(void);
int repo_init(struct repository *r, const char *gitdir, const char *worktree);
/*
* Initialize the repository 'subrepo' as the submodule given by the
* struct submodule 'sub' in parent repository 'superproject'.
* Return 0 upon success and a non-zero value upon failure, which may happen
* if the submodule is not found, or 'sub' is NULL.
*/
struct submodule;
int repo_submodule_init(struct repository *subrepo,
struct repository *superproject,
const struct submodule *sub);
void repo_clear(struct repository *repo);
/*
* Populates the repository's index from its index_file, an index struct will
* be allocated if needed.
*
* Return the number of index entries in the populated index or a value less
* than zero if an error occurred. If the repository's index has already been
* populated then the number of entries will simply be returned.
*/
int repo_read_index(struct repository *repo);
int repo_hold_locked_index(struct repository *repo,
struct lock_file *lf,
int flags);
int repo_read_index_preload(struct repository *,
const struct pathspec *pathspec,
unsigned refresh_flags);
int repo_read_index_unmerged(struct repository *);
/*
* Opportunistically update the index but do not complain if we can't.
* The lockfile is always committed or rolled back.
*/
void repo_update_index_if_able(struct repository *, struct lock_file *);
void prepare_repo_settings(struct repository *r);
/*
* Return 1 if upgrade repository format to target_version succeeded,
* 0 if no upgrade is necessary, and -1 when upgrade is not possible.
*/
int upgrade_repository_format(int target_version);
#endif /* REPOSITORY_H */
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