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/*
* Copyright (C) the libgit2 contributors. All rights reserved.
*
* This file is part of libgit2, distributed under the GNU GPL v2 with
* a Linking Exception. For full terms see the included COPYING file.
*/
#ifndef INCLUDE_repository_h__
#define INCLUDE_repository_h__
#include "git2/common.h"
#include "git2/oid.h"
#include "git2/odb.h"
#include "git2/repository.h"
#include "git2/object.h"
#include "git2/config.h"
#include "array.h"
#include "cache.h"
#include "refs.h"
#include "buffer.h"
#include "object.h"
#include "attrcache.h"
#include "submodule.h"
#include "diff_driver.h"
#define DOT_GIT ".git"
#define GIT_DIR DOT_GIT "/"
#define GIT_DIR_MODE 0755
#define GIT_BARE_DIR_MODE 0777
/* Default DOS-compatible 8.3 "short name" for a git repository, "GIT~1" */
#define GIT_DIR_SHORTNAME "GIT~1"
/** Cvar cache identifiers */
typedef enum {
GIT_CVAR_AUTO_CRLF = 0, /* core.autocrlf */
GIT_CVAR_EOL, /* core.eol */
GIT_CVAR_SYMLINKS, /* core.symlinks */
GIT_CVAR_IGNORECASE, /* core.ignorecase */
GIT_CVAR_FILEMODE, /* core.filemode */
GIT_CVAR_IGNORESTAT, /* core.ignorestat */
GIT_CVAR_TRUSTCTIME, /* core.trustctime */
GIT_CVAR_ABBREV, /* core.abbrev */
GIT_CVAR_PRECOMPOSE, /* core.precomposeunicode */
GIT_CVAR_SAFE_CRLF, /* core.safecrlf */
GIT_CVAR_LOGALLREFUPDATES, /* core.logallrefupdates */
GIT_CVAR_PROTECTHFS, /* core.protectHFS */
GIT_CVAR_PROTECTNTFS, /* core.protectNTFS */
GIT_CVAR_CACHE_MAX
} git_cvar_cached;
/**
* CVAR value enumerations
*
* These are the values that are actually stored in the cvar cache, instead
* of their string equivalents. These values are internal and symbolic;
* make sure that none of them is set to `-1`, since that is the unique
* identifier for "not cached"
*/
typedef enum {
/* The value hasn't been loaded from the cache yet */
GIT_CVAR_NOT_CACHED = -1,
/* core.safecrlf: false, 'fail', 'warn' */
GIT_SAFE_CRLF_FALSE = 0,
GIT_SAFE_CRLF_FAIL = 1,
GIT_SAFE_CRLF_WARN = 2,
/* core.autocrlf: false, true, 'input; */
GIT_AUTO_CRLF_FALSE = 0,
GIT_AUTO_CRLF_TRUE = 1,
GIT_AUTO_CRLF_INPUT = 2,
GIT_AUTO_CRLF_DEFAULT = GIT_AUTO_CRLF_FALSE,
/* core.eol: unset, 'crlf', 'lf', 'native' */
GIT_EOL_UNSET = 0,
GIT_EOL_CRLF = 1,
GIT_EOL_LF = 2,
#ifdef GIT_WIN32
GIT_EOL_NATIVE = GIT_EOL_CRLF,
#else
GIT_EOL_NATIVE = GIT_EOL_LF,
#endif
GIT_EOL_DEFAULT = GIT_EOL_NATIVE,
/* core.symlinks: bool */
GIT_SYMLINKS_DEFAULT = GIT_CVAR_TRUE,
/* core.ignorecase */
GIT_IGNORECASE_DEFAULT = GIT_CVAR_FALSE,
/* core.filemode */
GIT_FILEMODE_DEFAULT = GIT_CVAR_TRUE,
/* core.ignorestat */
GIT_IGNORESTAT_DEFAULT = GIT_CVAR_FALSE,
/* core.trustctime */
GIT_TRUSTCTIME_DEFAULT = GIT_CVAR_TRUE,
/* core.abbrev */
GIT_ABBREV_DEFAULT = 7,
/* core.precomposeunicode */
GIT_PRECOMPOSE_DEFAULT = GIT_CVAR_FALSE,
/* core.safecrlf */
GIT_SAFE_CRLF_DEFAULT = GIT_CVAR_FALSE,
/* core.logallrefupdates */
GIT_LOGALLREFUPDATES_UNSET = 2,
GIT_LOGALLREFUPDATES_DEFAULT = GIT_LOGALLREFUPDATES_UNSET,
/* core.protectHFS */
GIT_PROTECTHFS_DEFAULT = GIT_CVAR_FALSE,
/* core.protectNTFS */
GIT_PROTECTNTFS_DEFAULT = GIT_CVAR_FALSE,
} git_cvar_value;
/* internal repository init flags */
enum {
GIT_REPOSITORY_INIT__HAS_DOTGIT = (1u << 16),
GIT_REPOSITORY_INIT__NATURAL_WD = (1u << 17),
GIT_REPOSITORY_INIT__IS_REINIT = (1u << 18),
};
/** Internal structure for repository object */
struct git_repository {
git_odb *_odb;
git_refdb *_refdb;
git_config *_config;
git_index *_index;
git_cache objects;
git_attr_cache *attrcache;
git_diff_driver_registry *diff_drivers;
char *path_repository;
char *path_gitlink;
char *workdir;
char *namespace;
char *ident_name;
char *ident_email;
git_array_t(git_buf) reserved_names;
unsigned is_bare:1;
unsigned int lru_counter;
git_atomic attr_session_key;
git_cvar_value cvar_cache[GIT_CVAR_CACHE_MAX];
};
GIT_INLINE(git_attr_cache *) git_repository_attr_cache(git_repository *repo)
{
return repo->attrcache;
}
int git_repository_head_tree(git_tree **tree, git_repository *repo);
/*
* Weak pointers to repository internals.
*
* The returned pointers do not need to be freed. Do not keep
* permanent references to these (i.e. between API calls), since they may
* become invalidated if the user replaces a repository internal.
*/
int git_repository_config__weakptr(git_config **out, git_repository *repo);
int git_repository_odb__weakptr(git_odb **out, git_repository *repo);
int git_repository_refdb__weakptr(git_refdb **out, git_repository *repo);
int git_repository_index__weakptr(git_index **out, git_repository *repo);
/*
* CVAR cache
*
* Efficient access to the most used config variables of a repository.
* The cache is cleared every time the config backend is replaced.
*/
int git_repository__cvar(int *out, git_repository *repo, git_cvar_cached cvar);
void git_repository__cvar_cache_clear(git_repository *repo);
GIT_INLINE(int) git_repository__ensure_not_bare(
git_repository *repo,
const char *operation_name)
{
if (!git_repository_is_bare(repo))
return 0;
giterr_set(
GITERR_REPOSITORY,
"Cannot %s. This operation is not allowed against bare repositories.",
operation_name);
return GIT_EBAREREPO;
}
int git_repository__set_orig_head(git_repository *repo, const git_oid *orig_head);
int git_repository__cleanup_files(git_repository *repo, const char *files[], size_t files_len);
/* The default "reserved names" for a repository */
extern git_buf git_repository__reserved_names_win32[];
extern size_t git_repository__reserved_names_win32_len;
extern git_buf git_repository__reserved_names_posix[];
extern size_t git_repository__reserved_names_posix_len;
/*
* Gets any "reserved names" in the repository. This will return paths
* that should not be allowed in the repository (like ".git") to avoid
* conflicting with the repository path, or with alternate mechanisms to
* the repository path (eg, "GIT~1"). Every attempt will be made to look
* up all possible reserved names - if there was a conflict for the shortname
* GIT~1, for example, this function will try to look up the alternate
* shortname. If that fails, this function returns false, but out and outlen
* will still be populated with good defaults.
*/
bool git_repository__reserved_names(
git_buf **out, size_t *outlen, git_repository *repo, bool include_ntfs);
#endif
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