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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_refs_h__
#define INCLUDE_refs_h__
#include "common.h"
#include "git2/oid.h"
#include "git2/refs.h"
#include "git2/refdb.h"
#include "strmap.h"
#include "buffer.h"
#include "oid.h"
extern bool git_reference__enable_symbolic_ref_target_validation;
#define GIT_REFS_DIR "refs/"
#define GIT_REFS_HEADS_DIR GIT_REFS_DIR "heads/"
#define GIT_REFS_TAGS_DIR GIT_REFS_DIR "tags/"
#define GIT_REFS_REMOTES_DIR GIT_REFS_DIR "remotes/"
#define GIT_REFS_NOTES_DIR GIT_REFS_DIR "notes/"
#define GIT_REFS_DIR_MODE 0777
#define GIT_REFS_FILE_MODE 0666
#define GIT_RENAMED_REF_FILE GIT_REFS_DIR "RENAMED-REF"
#define GIT_SYMREF "ref: "
#define GIT_PACKEDREFS_FILE "packed-refs"
#define GIT_PACKEDREFS_HEADER "# pack-refs with: peeled fully-peeled sorted "
#define GIT_PACKEDREFS_FILE_MODE 0666
#define GIT_HEAD_FILE "HEAD"
#define GIT_ORIG_HEAD_FILE "ORIG_HEAD"
#define GIT_FETCH_HEAD_FILE "FETCH_HEAD"
#define GIT_MERGE_HEAD_FILE "MERGE_HEAD"
#define GIT_REVERT_HEAD_FILE "REVERT_HEAD"
#define GIT_CHERRYPICK_HEAD_FILE "CHERRY_PICK_HEAD"
#define GIT_BISECT_LOG_FILE "BISECT_LOG"
#define GIT_REBASE_MERGE_DIR "rebase-merge/"
#define GIT_REBASE_MERGE_INTERACTIVE_FILE GIT_REBASE_MERGE_DIR "interactive"
#define GIT_REBASE_APPLY_DIR "rebase-apply/"
#define GIT_REBASE_APPLY_REBASING_FILE GIT_REBASE_APPLY_DIR "rebasing"
#define GIT_REBASE_APPLY_APPLYING_FILE GIT_REBASE_APPLY_DIR "applying"
#define GIT_REFS_HEADS_MASTER_FILE GIT_REFS_HEADS_DIR "master"
#define GIT_SEQUENCER_DIR "sequencer/"
#define GIT_SEQUENCER_HEAD_FILE GIT_SEQUENCER_DIR "head"
#define GIT_SEQUENCER_OPTIONS_FILE GIT_SEQUENCER_DIR "options"
#define GIT_SEQUENCER_TODO_FILE GIT_SEQUENCER_DIR "todo"
#define GIT_STASH_FILE "stash"
#define GIT_REFS_STASH_FILE GIT_REFS_DIR GIT_STASH_FILE
#define GIT_REFERENCE_FORMAT__PRECOMPOSE_UNICODE (1u << 16)
#define GIT_REFERENCE_FORMAT__VALIDATION_DISABLE (1u << 15)
#define GIT_REFNAME_MAX 1024
typedef char git_refname_t[GIT_REFNAME_MAX];
struct git_reference {
git_refdb *db;
git_reference_t type;
union {
git_oid oid;
char *symbolic;
} target;
git_oid peel;
char name[GIT_FLEX_ARRAY];
};
git_reference *git_reference__set_name(git_reference *ref, const char *name);
int git_reference__normalize_name(git_buf *buf, const char *name, unsigned int flags);
int git_reference__update_terminal(git_repository *repo, const char *ref_name, const git_oid *oid, const git_signature *sig, const char *log_message);
int git_reference__is_valid_name(const char *refname, unsigned int flags);
int git_reference__is_branch(const char *ref_name);
int git_reference__is_remote(const char *ref_name);
int git_reference__is_tag(const char *ref_name);
const char *git_reference__shorthand(const char *name);
/**
* Lookup a reference by name and try to resolve to an OID.
*
* You can control how many dereferences this will attempt to resolve the
* reference with the `max_deref` parameter, or pass -1 to use a sane
* default. If you pass 0 for `max_deref`, this will not attempt to resolve
* the reference. For any value of `max_deref` other than 0, not
* successfully resolving the reference will be reported as an error.
* The generated reference must be freed by the user.
*
* @param reference_out Pointer to the looked-up reference
* @param repo The repository to look up the reference
* @param name The long name for the reference (e.g. HEAD, ref/heads/master, refs/tags/v0.1.0, ...)
* @param max_deref Maximum number of dereferences to make of symbolic refs, 0 means simple lookup, < 0 means use default reasonable value
* @return 0 on success or < 0 on error; not being able to resolve the reference is an error unless 0 was passed for max_deref
*/
int git_reference_lookup_resolved(
git_reference **reference_out,
git_repository *repo,
const char *name,
int max_deref);
/**
* Read reference from a file.
*
* This function will read in the file at `path`. If it is a
* symref, it will return a new unresolved symbolic reference
* with the given name pointing to the reference pointed to by
* the file. If it is not a symbolic reference, it will return
* the resolved reference.
*
* Note that because the refdb is not involved for symbolic references, they
* won't be owned, hence you should either not make the returned reference
* 'externally visible', or perform the lookup before returning it to the user.
*/
int git_reference__read_head(
git_reference **out,
git_repository *repo,
const char *path);
int git_reference__log_signature(git_signature **out, git_repository *repo);
/** Update a reference after a commit. */
int git_reference__update_for_commit(
git_repository *repo,
git_reference *ref,
const char *ref_name,
const git_oid *id,
const char *operation);
int git_reference__is_unborn_head(bool *unborn, const git_reference *ref, git_repository *repo);
#endif
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