diff options
Diffstat (limited to 'git.go')
| -rw-r--r-- | git.go | 123 |
1 files changed, 108 insertions, 15 deletions
@@ -15,14 +15,82 @@ import ( "unsafe" ) +type ErrorClass int + const ( - ITEROVER = C.GIT_ITEROVER - EEXISTS = C.GIT_EEXISTS - ENOTFOUND = C.GIT_ENOTFOUND + ErrClassNone ErrorClass = C.GITERR_NONE + ErrClassNoMemory = C.GITERR_NOMEMORY + ErrClassOs = C.GITERR_OS + ErrClassInvalid = C.GITERR_INVALID + ErrClassReference = C.GITERR_REFERENCE + ErrClassZlib = C.GITERR_ZLIB + ErrClassRepository = C.GITERR_REPOSITORY + ErrClassConfig = C.GITERR_CONFIG + ErrClassRegex = C.GITERR_REGEX + ErrClassOdb = C.GITERR_ODB + ErrClassIndex = C.GITERR_INDEX + ErrClassObject = C.GITERR_OBJECT + ErrClassNet = C.GITERR_NET + ErrClassTag = C.GITERR_TAG + ErrClassTree = C.GITERR_TREE + ErrClassIndexer = C.GITERR_INDEXER + ErrClassSSL = C.GITERR_SSL + ErrClassSubmodule = C.GITERR_SUBMODULE + ErrClassThread = C.GITERR_THREAD + ErrClassStash = C.GITERR_STASH + ErrClassCheckout = C.GITERR_CHECKOUT + ErrClassFetchHead = C.GITERR_FETCHHEAD + ErrClassMerge = C.GITERR_MERGE + ErrClassSsh = C.GITERR_SSH + ErrClassFilter = C.GITERR_FILTER + ErrClassRevert = C.GITERR_REVERT + ErrClassCallback = C.GITERR_CALLBACK +) + +type ErrorCode int + +const ( + + // No error + ErrOk ErrorCode = C.GIT_OK + // Generic error + ErrGeneric = C.GIT_ERROR + // Requested object could not be found + ErrNotFound = C.GIT_ENOTFOUND + // Object exists preventing operation + ErrExists = C.GIT_EEXISTS + // More than one object matches + ErrAmbigious = C.GIT_EAMBIGUOUS + // Output buffer too short to hold data + ErrBuffs = C.GIT_EBUFS + // 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. + ErrUser = C.GIT_EUSER + // Operation not allowed on bare repository + ErrBareRepo = C.GIT_EBAREREPO + // HEAD refers to branch with no commits + ErrUnbornBranch = C.GIT_EUNBORNBRANCH + // Merge in progress prevented operation + ErrUnmerged = C.GIT_EUNMERGED + // Reference was not fast-forwardable + ErrNonFastForward = C.GIT_ENONFASTFORWARD + // Name/ref spec was not in a valid format + ErrInvalidSpec = C.GIT_EINVALIDSPEC + // Merge conflicts prevented operation + ErrMergeConflict = C.GIT_EMERGECONFLICT + // Lock file prevented operation + ErrLocked = C.GIT_ELOCKED + // Reference value does not match expected + ErrModified = C.GIT_EMODIFIED + // Internal only + ErrPassthrough = C.GIT_PASSTHROUGH + // Signals end of iteration with iterator + ErrIterOver = C.GIT_ITEROVER ) var ( - ErrIterOver = errors.New("Iteration is over") + ErrInvalid = errors.New("Invalid state for operation") ) func init() { @@ -64,6 +132,10 @@ func NewOid(s string) (*Oid, error) { return nil, error } + if len(slice) != 20 { + return nil, &GitError{"Invalid Oid", ErrClassNone, ErrGeneric} + } + copy(o[:], slice[:20]) return o, nil } @@ -124,29 +196,50 @@ func ShortenOids(ids []*Oid, minlen int) (int, error) { } type GitError struct { - Message string - Class int - ErrorCode int + Message string + Class ErrorClass + Code ErrorCode } func (e GitError) Error() string { return e.Message } -func IsNotExist(err error) bool { - return err.(*GitError).ErrorCode == C.GIT_ENOTFOUND +func IsErrorClass(err error, c ErrorClass) bool { + + if err == nil { + return false + } + if gitError, ok := err.(*GitError); ok { + return gitError.Class == c + } + return false } -func IsExist(err error) bool { - return err.(*GitError).ErrorCode == C.GIT_EEXISTS +func IsErrorCode(err error, c ErrorCode) bool { + if err == nil { + return false + } + if gitError, ok := err.(*GitError); ok { + return gitError.Code == c + } + return false } func MakeGitError(errorCode C.int) error { - err := C.giterr_last() - if err == nil { - return &GitError{"No message", C.GITERR_INVALID, C.GIT_ERROR} + + var errMessage string + var errClass ErrorClass + if errorCode != ErrIterOver { + err := C.giterr_last() + if err != nil { + errMessage = C.GoString(err.message) + errClass = ErrorClass(err.klass) + } else { + errClass = ErrClassInvalid + } } - return &GitError{C.GoString(err.message), int(err.klass), int(errorCode)} + return &GitError{errMessage, errClass, ErrorCode(errorCode)} } func MakeGitError2(err int) error { |