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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_reflog_h__
#define INCLUDE_git_reflog_h__
#include "common.h"
#include "types.h"
#include "oid.h"
/**
* @file git2/reflog.h
* @brief Git reflog management routines
* @defgroup git_reflog Git reflog management routines
* @ingroup Git
* @{
*/
GIT_BEGIN_DECL
/**
* Read the reflog for the given reference
*
* The reflog must be freed manually by using
* git_reflog_free().
*
* @param reflog pointer to reflog
* @param ref reference to read the reflog for
* @return GIT_SUCCESS on success; error code otherwise
*/
GIT_EXTERN(int) git_reflog_read(git_reflog **reflog, git_reference *ref);
/**
* Write a new reflog for the given reference
*
* If there is no reflog file for the given
* reference yet, it will be created.
*
* `oid_old` may be NULL in case it's a new reference.
*
* `msg` is optional and can be NULL.
*
* @param ref the changed reference
* @param oid_old the OID the reference was pointing to
* @param committer the signature of the committer
* @param msg the reflog message
* @return GIT_SUCCESS on success; error code otherwise
*/
GIT_EXTERN(int) git_reflog_write(git_reference *ref, const git_oid *oid_old, const git_signature *committer, const char *msg);
/**
* Get the number of log entries in a reflog
*
* @param reflog the previously loaded reflog
* @return the number of log entries
*/
GIT_EXTERN(unsigned int) git_reflog_entrycount(git_reflog *reflog);
/**
* Lookup an entry by its index
*
* @param reflog a previously loaded reflog
* @param idx the position to lookup
* @return the entry; NULL if not found
*/
GIT_EXTERN(const git_reflog_entry *) git_reflog_entry_byindex(git_reflog *reflog, unsigned int idx);
/**
* Get the old oid
*
* @param entry a reflog entry
* @return the old oid
*/
GIT_EXTERN(const git_oid *) git_reflog_entry_oidold(const git_reflog_entry *entry);
/**
* Get the new oid
*
* @param entry a reflog entry
* @return the new oid at this time
*/
GIT_EXTERN(const git_oid *) git_reflog_entry_oidnew(const git_reflog_entry *entry);
/**
* Get the committer of this entry
*
* @param entry a reflog entry
* @return the committer
*/
GIT_EXTERN(git_signature *) git_reflog_entry_committer(const git_reflog_entry *entry);
/**
* Get the log msg
*
* @param entry a reflog entry
* @return the log msg
*/
GIT_EXTERN(char *) git_reflog_entry_msg(const git_reflog_entry *entry);
/**
* Free the reflog
*
* @param reflog reflog to free
*/
GIT_EXTERN(void) git_reflog_free(git_reflog *reflog);
/** @} */
GIT_END_DECL
#endif
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