annotated_commit.h

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Author : Edward Thomson
Date : 2024-11-25 23:01:33
Hash : 338ceb93
Message : Improve documentation
include/git2/annotated_commit.h
/*
 * 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_git_annotated_commit_h__
#define INCLUDE_git_annotated_commit_h__

#include "common.h"
#include "repository.h"
#include "types.h"

/**
 * @file git2/annotated_commit.h
 * @brief A commit and information about how it was looked up by the user.
 * @defgroup git_annotated_commit Git annotated commit routines
 * @ingroup Git
 *
 * An "annotated commit" is a commit that contains information about
 * how the commit was resolved, which can be used for maintaining the
 * user's "intent" through commands like merge and rebase. For example,
 * if a user wants to "merge HEAD" then an annotated commit is used to
 * both contain the HEAD commit _and_ the fact that it was resolved as
 * the HEAD ref.
 * @{
 */
GIT_BEGIN_DECL

/**
 * Creates a `git_annotated_commit` from the given reference.
 * The resulting git_annotated_commit must be freed with
 * `git_annotated_commit_free`.
 *
 * @param[out] out pointer to store the git_annotated_commit result in
 * @param repo repository that contains the given reference
 * @param ref reference to use to lookup the git_annotated_commit
 * @return 0 on success or error code
 */
GIT_EXTERN(int) git_annotated_commit_from_ref(
	git_annotated_commit **out,
	git_repository *repo,
	const git_reference *ref);

/**
 * Creates a `git_annotated_commit` from the given fetch head data.
 * The resulting git_annotated_commit must be freed with
 * `git_annotated_commit_free`.
 *
 * @param[out] out pointer to store the git_annotated_commit result in
 * @param repo repository that contains the given commit
 * @param branch_name name of the (remote) branch
 * @param remote_url url of the remote
 * @param id the commit object id of the remote branch
 * @return 0 on success or error code
 */
GIT_EXTERN(int) git_annotated_commit_from_fetchhead(
	git_annotated_commit **out,
	git_repository *repo,
	const char *branch_name,
	const char *remote_url,
	const git_oid *id);

/**
 * Creates a `git_annotated_commit` from the given commit id.
 * The resulting git_annotated_commit must be freed with
 * `git_annotated_commit_free`.
 *
 * An annotated commit contains information about how it was
 * looked up, which may be useful for functions like merge or
 * rebase to provide context to the operation.  For example,
 * conflict files will include the name of the source or target
 * branches being merged.  It is therefore preferable to use the
 * most specific function (eg `git_annotated_commit_from_ref`)
 * instead of this one when that data is known.
 *
 * @param[out] out pointer to store the git_annotated_commit result in
 * @param repo repository that contains the given commit
 * @param id the commit object id to lookup
 * @return 0 on success or error code
 */
GIT_EXTERN(int) git_annotated_commit_lookup(
	git_annotated_commit **out,
	git_repository *repo,
	const git_oid *id);

/**
 * Creates a `git_annotated_commit` from a revision string.
 *
 * See `man gitrevisions`, or
 * http://git-scm.com/docs/git-rev-parse.html#_specifying_revisions for
 * information on the syntax accepted.
 *
 * @param[out] out pointer to store the git_annotated_commit result in
 * @param repo repository that contains the given commit
 * @param revspec the extended sha syntax string to use to lookup the commit
 * @return 0 on success or error code
 */
GIT_EXTERN(int) git_annotated_commit_from_revspec(
	git_annotated_commit **out,
	git_repository *repo,
	const char *revspec);

/**
 * Gets the commit ID that the given `git_annotated_commit` refers to.
 *
 * @param commit the given annotated commit
 * @return commit id
 */
GIT_EXTERN(const git_oid *) git_annotated_commit_id(
	const git_annotated_commit *commit);

/**
 * Get the refname that the given `git_annotated_commit` refers to.
 *
 * @param commit the given annotated commit
 * @return ref name.
 */
GIT_EXTERN(const char *) git_annotated_commit_ref(
	const git_annotated_commit *commit);

/**
 * Frees a `git_annotated_commit`.
 *
 * @param commit annotated commit to free
 */
GIT_EXTERN(void) git_annotated_commit_free(
	git_annotated_commit *commit);

/** @} */
GIT_END_DECL
#endif
kc3-lang/libgit2/include/git2/annotated_commit.h

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