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/*
* This file is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License, version 2,
* as published by the Free Software Foundation.
*
* In addition to the permissions in the GNU General Public License,
* the authors give you unlimited permission to link the compiled
* version of this file into combinations with other programs,
* and to distribute those combinations without any restriction
* coming from the use of this file. (The General Public License
* restrictions do apply in other respects; for example, they cover
* modification of the file, and distribution when not linked into
* a combined executable.)
*
* This file is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; see the file COPYING. If not, write to
* the Free Software Foundation, 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifndef INCLUDE_git_repository_h__
#define INCLUDE_git_repository_h__
#include "common.h"
#include "types.h"
#include "oid.h"
/**
* @file git2/repository.h
* @brief Git repository management routines
* @defgroup git_repository Git repository management routines
* @ingroup Git
* @{
*/
GIT_BEGIN_DECL
/**
* Open a git repository.
*
* The 'path' argument must point to an existing git repository
* folder, e.g.
*
* /path/to/my_repo/.git/ (normal repository)
* objects/
* index
* HEAD
*
* /path/to/bare_repo/ (bare repository)
* objects/
* index
* HEAD
*
* The method will automatically detect if 'path' is a normal
* or bare repository or fail is 'path' is neither.
*
* @param repository pointer to the repo which will be opened
* @param path the path to the repository
* @return 0 on success; error code otherwise
*/
GIT_EXTERN(int) git_repository_open(git_repository **repository, const char *path);
/**
* Open a git repository by manually specifying all its paths
*
* @param repository pointer to the repo which will be opened
*
* @param git_dir The full path to the repository folder
* e.g. a '.git' folder for live repos, any folder for bare
* Equivalent to $GIT_DIR.
* Cannot be NULL.
*
* @param git_object_directory The full path to the ODB folder.
* the folder where all the loose and packed objects are stored
* Equivalent to $GIT_OBJECT_DIRECTORY.
* If NULL, "$GIT_DIR/objects/" is assumed.
*
* @param git_index_file The full path to the index (dircache) file
* Equivalent to $GIT_INDEX_FILE.
* If NULL, "$GIT_DIR/index" is assumed.
*
* @param git_work_tree The full path to the working tree of the repository,
* if the repository is not bare.
* Equivalent to $GIT_WORK_TREE.
* If NULL, the repository is assumed to be bare.
*
* @return 0 on success; error code otherwise
*/
GIT_EXTERN(int) git_repository_open2(git_repository **repository,
const char *git_dir,
const char *git_object_directory,
const char *git_index_file,
const char *git_work_tree);
/**
* Open a git repository by manually specifying its paths and
* the object database it will use.
*
* @param repository pointer to the repo which will be opened
*
* @param git_dir The full path to the repository folder
* e.g. a '.git' folder for live repos, any folder for bare
* Equivalent to $GIT_DIR.
* Cannot be NULL.
*
* @param object_database A pointer to a git_odb created & initialized
* by the user (e.g. with custom backends). This object database
* will be owned by the repository and will be automatically free'd.
* It should not be manually free'd by the user, or this
* git_repository object will become invalid.
*
* @param git_index_file The full path to the index (dircache) file
* Equivalent to $GIT_INDEX_FILE.
* If NULL, "$GIT_DIR/index" is assumed.
*
* @param git_work_tree The full path to the working tree of the repository,
* if the repository is not bare.
* Equivalent to $GIT_WORK_TREE.
* If NULL, the repository is assumed to be bare.
*
* @return 0 on success; error code otherwise
*/
GIT_EXTERN(int) git_repository_open3(git_repository **repository,
const char *git_dir,
git_odb *object_database,
const char *git_index_file,
const char *git_work_tree);
/**
* Get the object database behind a Git repository
*
* @param repo a repository object
* @return a pointer to the object db
*/
GIT_EXTERN(git_odb *) git_repository_database(git_repository *repo);
/**
* Get the Index file of a Git repository
*
* This is a cheap operation; the index is only opened on the first call,
* and subsequent calls only retrieve the previous pointer.
*
* @param index Pointer where to store the index
* @param repo a repository object
* @return 0 on success; error code if the index could not be opened
*/
GIT_EXTERN(int) git_repository_index(git_index **index, git_repository *repo);
/**
* Free a previously allocated repository
*
* @param repo repository handle to close. If NULL nothing occurs.
*/
GIT_EXTERN(void) git_repository_free(git_repository *repo);
/**
* Force a garbage collector pass on the repository
*
* This will force-free any cached objects that have been
* previously marked by the user as closed (`git_object_close`).
*
* @param repo repository handle to collect. If NULL nothing occurs.
*/
GIT_EXTERN(int) git_repository_gc(git_repository *repo);
/**
* Creates a new Git repository in the given folder.
*
* TODO:
* - Reinit the repository
* - Create config files
*
* @param repo_out pointer to the repo which will be created or reinitialized
* @param path the path to the repository
* @param is_bare if true, a Git repository without a working directory is created
* at the pointed path. If false, provided path will be considered as the working
* directory into which the .git directory will be created.
*
* @return 0 on success; error code otherwise
*/
GIT_EXTERN(int) git_repository_init(git_repository **repo_out, const char *path, unsigned is_bare);
/** @} */
GIT_END_DECL
#endif
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