Extract expands the ACI file to a temporary directory, returning the directory path where the ACI was expanded or an error.

Manifest returns the ImageManifest inside the ACI file.

Validate makes sure the archive is valid.

ErrChmod - Error message for error changing file permission.

ErrCopyingFile - Error message for error copying file.

ErrCreatingFile - Error message for error creating file.

ErrMkdirAll - Error message for error making directory.

ErrNext - Error message for error interating through tar file.

ErrUntar - Error message for error untarring file.