libgit2/include/git2/commit.h
Vicent Marti d144c569f3 Update documentation
Fix all the missmatched arguments in the docs
2011-06-16 03:06:22 +02:00

320 lines
9.5 KiB
C

/*
* 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_commit_h__
#define INCLUDE_git_commit_h__
#include "common.h"
#include "types.h"
#include "oid.h"
#include "object.h"
/**
* @file git2/commit.h
* @brief Git commit parsing, formatting routines
* @defgroup git_commit Git commit parsing, formatting routines
* @ingroup Git
* @{
*/
GIT_BEGIN_DECL
/**
* Lookup a commit object from a repository.
*
* @param commit pointer to the looked up commit
* @param repo the repo to use when locating the commit.
* @param id identity of the commit to locate. If the object is
* an annotated tag it will be peeled back to the commit.
* @return 0 on success; error code otherwise
*/
GIT_INLINE(int) git_commit_lookup(git_commit **commit, git_repository *repo, const git_oid *id)
{
return git_object_lookup((git_object **)commit, repo, id, GIT_OBJ_COMMIT);
}
/**
* Lookup a commit object from a repository,
* given a prefix of its identifier (short id).
*
* @see git_object_lookup_prefix
*
* @param commit pointer to the looked up commit
* @param repo the repo to use when locating the commit.
* @param id identity of the commit to locate. If the object is
* an annotated tag it will be peeled back to the commit.
* @param len the length of the short identifier
* @return 0 on success; error code otherwise
*/
GIT_INLINE(int) git_commit_lookup_prefix(git_commit **commit, git_repository *repo, const git_oid *id, unsigned len)
{
return git_object_lookup_prefix((git_object **)commit, repo, id, len, GIT_OBJ_COMMIT);
}
/**
* Close an open commit
*
* This is a wrapper around git_object_close()
*
* IMPORTANT:
* It *is* necessary to call this method when you stop
* using a commit. Failure to do so will cause a memory leak.
*
* @param commit the commit to close
*/
GIT_INLINE(void) git_commit_close(git_commit *commit)
{
git_object_close((git_object *) commit);
}
/**
* Get the id of a commit.
*
* @param commit a previously loaded commit.
* @return object identity for the commit.
*/
GIT_EXTERN(const git_oid *) git_commit_id(git_commit *commit);
/**
* Get the short (one line) message of a commit.
*
* @param commit a previously loaded commit.
* @return the short message of a commit
*/
GIT_EXTERN(const char *) git_commit_message_short(git_commit *commit);
/**
* Get the full message of a commit.
*
* @param commit a previously loaded commit.
* @return the message of a commit
*/
GIT_EXTERN(const char *) git_commit_message(git_commit *commit);
/**
* Get the commit time (i.e. committer time) of a commit.
*
* @param commit a previously loaded commit.
* @return the time of a commit
*/
GIT_EXTERN(git_time_t) git_commit_time(git_commit *commit);
/**
* Get the commit timezone offset (i.e. committer's preferred timezone) of a commit.
*
* @param commit a previously loaded commit.
* @return positive or negative timezone offset, in minutes from UTC
*/
GIT_EXTERN(int) git_commit_time_offset(git_commit *commit);
/**
* Get the committer of a commit.
*
* @param commit a previously loaded commit.
* @return the committer of a commit
*/
GIT_EXTERN(const git_signature *) git_commit_committer(git_commit *commit);
/**
* Get the author of a commit.
*
* @param commit a previously loaded commit.
* @return the author of a commit
*/
GIT_EXTERN(const git_signature *) git_commit_author(git_commit *commit);
/**
* Get the tree pointed to by a commit.
*
* @param tree_out pointer where to store the tree object
* @param commit a previously loaded commit.
* @return 0 on success; error code otherwise
*/
GIT_EXTERN(int) git_commit_tree(git_tree **tree_out, git_commit *commit);
/**
* Get the id of the tree pointed to by a commit. This differs from
* `git_commit_tree` in that no attempts are made to fetch an object
* from the ODB.
*
* @param commit a previously loaded commit.
* @return the id of tree pointed to by commit.
*/
GIT_EXTERN(const git_oid *) git_commit_tree_oid(git_commit *commit);
/**
* Get the number of parents of this commit
*
* @param commit a previously loaded commit.
* @return integer of count of parents
*/
GIT_EXTERN(unsigned int) git_commit_parentcount(git_commit *commit);
/**
* Get the specified parent of the commit.
*
* @param parent Pointer where to store the parent commit
* @param commit a previously loaded commit.
* @param n the position of the parent (from 0 to `parentcount`)
* @return 0 on success; error code otherwise
*/
GIT_EXTERN(int) git_commit_parent(git_commit **parent, git_commit *commit, unsigned int n);
/**
* Get the oid of a specified parent for a commit. This is different from
* `git_commit_parent`, which will attempt to load the parent commit from
* the ODB.
*
* @param commit a previously loaded commit.
* @param n the position of the parent (from 0 to `parentcount`)
* @return the id of the parent, NULL on error.
*/
GIT_EXTERN(const git_oid *) git_commit_parent_oid(git_commit *commit, unsigned int n);
/**
* Create a new commit in the repository
*
* @param oid Pointer where to store the OID of the
* newly created commit
*
* @param repo Repository where to store the commit
*
* @param update_ref If not NULL, name of the reference that
* will be updated to point to this commit. If the reference
* is not direct, it will be resolved to a direct reference.
* Use "HEAD" to update the HEAD of the current branch and
* make it point to this commit
*
* @param author Signature representing the author and the authory
* time of this commit
*
* @param committer Signature representing the committer and the
* commit time of this commit
*
* @param message Full message for this commit
*
* @param tree_oid Object ID of the tree for this commit. Note that
* no validation is performed on this OID. Use the _o variants of
* this method to assure a proper tree is passed to the commit.
*
* @param parent_count Number of parents for this commit
*
* @param parent_oids[] Array of pointers to parent OIDs for this commit.
* Note that no validation is performed on these OIDs. Use the _o
* variants of this method to assure that are parents for the commit
* are proper objects.
*
* @return 0 on success; error code otherwise
* The created commit will be written to the Object Database and
* the given reference will be updated to point to it
*/
GIT_EXTERN(int) git_commit_create(
git_oid *oid,
git_repository *repo,
const char *update_ref,
const git_signature *author,
const git_signature *committer,
const char *message,
const git_oid *tree_oid,
int parent_count,
const git_oid *parent_oids[]);
/**
* Create a new commit in the repository using `git_object`
* instances as parameters.
*
* The `tree_oid` and `parent_oids` paremeters now take a instance
* of `git_tree` and `git_commit`, respectively.
*
* All other parameters remain the same
*
* @see git_commit_create
*/
GIT_EXTERN(int) git_commit_create_o(
git_oid *oid,
git_repository *repo,
const char *update_ref,
const git_signature *author,
const git_signature *committer,
const char *message,
const git_tree *tree,
int parent_count,
const git_commit *parents[]);
/**
* Create a new commit in the repository using `git_object`
* instances and a variable argument list.
*
* The `tree_oid` paremeter now takes a instance
* of `const git_tree *`.
*
* The parents for the commit are specified as a variable
* list of pointers to `const git_commit *`. Note that this
* is a convenience method which may not be safe to export
* for certain languages or compilers
*
* All other parameters remain the same
*
* @see git_commit_create
*/
GIT_EXTERN(int) git_commit_create_ov(
git_oid *oid,
git_repository *repo,
const char *update_ref,
const git_signature *author,
const git_signature *committer,
const char *message,
const git_tree *tree,
int parent_count,
...);
/**
* Create a new commit in the repository using
* a variable argument list.
*
* The parents for the commit are specified as a variable
* list of pointers to `const git_oid *`. Note that this
* is a convenience method which may not be safe to export
* for certain languages or compilers
*
* All other parameters remain the same
*
* @see git_commit_create
*/
GIT_EXTERN(int) git_commit_create_v(
git_oid *oid,
git_repository *repo,
const char *update_ref,
const git_signature *author,
const git_signature *committer,
const char *message,
const git_oid *tree_oid,
int parent_count,
...);
/** @} */
GIT_END_DECL
#endif