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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_git_errors_h__
#define INCLUDE_git_errors_h__
#include "common.h"
/**
* @file git2/errors.h
* @brief Git error handling routines and variables
* @ingroup Git
* @{
*/
GIT_BEGIN_DECL
/** Generic return codes */
typedef enum {
GIT_OK = 0, /**< No error */
GIT_ERROR = -1, /**< Generic error */
GIT_ENOTFOUND = -3, /**< Requested object could not be found */
GIT_EEXISTS = -4, /**< Object exists preventing operation */
GIT_EAMBIGUOUS = -5, /**< More than one object matches */
GIT_EBUFS = -6, /**< Output buffer too short to hold data */
/**
* GIT_EUSER is a special error that is never generated by libgit2
* code. You can return it from a callback (e.g to stop an iteration)
* to know that it was generated by the callback and not by libgit2.
*/
GIT_EUSER = -7,
GIT_EBAREREPO = -8, /**< Operation not allowed on bare repository */
GIT_EUNBORNBRANCH = -9, /**< HEAD refers to branch with no commits */
GIT_EUNMERGED = -10, /**< Merge in progress prevented operation */
GIT_ENONFASTFORWARD = -11, /**< Reference was not fast-forwardable */
GIT_EINVALIDSPEC = -12, /**< Name/ref spec was not in a valid format */
GIT_ECONFLICT = -13, /**< Checkout conflicts prevented operation */
GIT_ELOCKED = -14, /**< Lock file prevented operation */
GIT_EMODIFIED = -15, /**< Reference value does not match expected */
GIT_EAUTH = -16, /**< Authentication error */
GIT_ECERTIFICATE = -17, /**< Server certificate is invalid */
GIT_EAPPLIED = -18, /**< Patch/merge has already been applied */
GIT_EPEEL = -19, /**< The requested peel operation is not possible */
GIT_EEOF = -20, /**< Unexpected EOF */
GIT_EINVALID = -21, /**< Invalid operation or input */
GIT_EUNCOMMITTED = -22, /**< Uncommitted changes in index prevented operation */
GIT_EDIRECTORY = -23, /**< The operation is not valid for a directory */
GIT_EMERGECONFLICT = -24, /**< A merge conflict exists and cannot continue */
GIT_PASSTHROUGH = -30, /**< A user-configured callback refused to act */
GIT_ITEROVER = -31, /**< Signals end of iteration with iterator */
GIT_RETRY = -32, /**< Internal only */
GIT_EMISMATCH = -33, /**< Hashsum mismatch in object */
GIT_EINDEXDIRTY = -34, /**< Unsaved changes in the index would be overwritten */
GIT_EAPPLYFAIL = -35, /**< Patch application failed */
GIT_EOWNER = -36, /**< The object is not owned by the current user */
GIT_TIMEOUT = -37, /**< The operation timed out */
GIT_EUNCHANGED = -38, /**< There were no changes */
GIT_ENOTSUPPORTED = -39, /**< An option is not supported */
GIT_EREADONLY = -40 /**< The subject is read-only */
} git_error_code;
/**
* Structure to store extra details of the last error that occurred.
*
* This is kept on a per-thread basis if GIT_THREADS was defined when the
* library was build, otherwise one is kept globally for the library
*/
typedef struct {
char *message;
int klass;
} git_error;
/** Error classes */
typedef enum {
GIT_ERROR_NONE = 0,
GIT_ERROR_NOMEMORY,
GIT_ERROR_OS,
GIT_ERROR_INVALID,
GIT_ERROR_REFERENCE,
GIT_ERROR_ZLIB,
GIT_ERROR_REPOSITORY,
GIT_ERROR_CONFIG,
GIT_ERROR_REGEX,
GIT_ERROR_ODB,
GIT_ERROR_INDEX,
GIT_ERROR_OBJECT,
GIT_ERROR_NET,
GIT_ERROR_TAG,
GIT_ERROR_TREE,
GIT_ERROR_INDEXER,
GIT_ERROR_SSL,
GIT_ERROR_SUBMODULE,
GIT_ERROR_THREAD,
GIT_ERROR_STASH,
GIT_ERROR_CHECKOUT,
GIT_ERROR_FETCHHEAD,
GIT_ERROR_MERGE,
GIT_ERROR_SSH,
GIT_ERROR_FILTER,
GIT_ERROR_REVERT,
GIT_ERROR_CALLBACK,
GIT_ERROR_CHERRYPICK,
GIT_ERROR_DESCRIBE,
GIT_ERROR_REBASE,
GIT_ERROR_FILESYSTEM,
GIT_ERROR_PATCH,
GIT_ERROR_WORKTREE,
GIT_ERROR_SHA,
GIT_ERROR_HTTP,
GIT_ERROR_INTERNAL,
GIT_ERROR_GRAFTS
} git_error_t;
/**
* Return the last `git_error` object that was generated for the
* current thread.
*
* This function will never return NULL.
*
* Callers should not rely on this to determine whether an error has
* occurred. For error checking, callers should examine the return
* codes of libgit2 functions.
*
* This call can only reliably report error messages when an error
* has occurred. (It may contain stale information if it is called
* after a different function that succeeds.)
*
* The memory for this object is managed by libgit2. It should not
* be freed.
*
* @return A git_error object.
*/
GIT_EXTERN(const git_error *) git_error_last(void);
/** @} */
GIT_END_DECL
#endif
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