CodeExitDfgetFail represents that executing dfget failed.

CodeExitDfgetNotFound represents that the dfget cannot be found.

CodeExitPathNotAbs represents that the repo directory parsed from command-line is not absolute path.

CodeExitPortInvalid represents that the port is invalid.

CodeExitRateLimitInvalid represents that the rate limit is invalid.

CodeExitRepoCreateFail represents that the repo directory is created failed.

CodeExitUserHomeNotExist represents that the user home directory is not exist.

CodeReqAuth represents that an authentication failure happens when executing dfget.