Imports of distpack command

PathSynopsis
archive/tarPackage tar implements access to tar archives.
archive/zipPackage zip provides support for reading and writing ZIP archives.
bytesPackage bytes implements functions for the manipulation of byte slices.
cmd/internal/telemetry/counter
compress/flatePackage flate implements the DEFLATE compressed data format, described in RFC 1951.
compress/gzipPackage gzip implements reading and writing of gzip format compressed files, as specified in RFC 1952.
crypto/sha256Package sha256 implements the SHA224 and SHA256 hash algorithms as defined in FIPS 180-4.
flagPackage flag implements command-line flag parsing.
fmtPackage fmt implements formatted I/O with functions analogous to C's printf and scanf.
ioPackage io provides basic interfaces to I/O primitives.
io/fsPackage fs defines basic interfaces to a file system.
logPackage log implements a simple logging package.
osPackage os provides a platform-independent interface to operating system functionality.
pathPackage path implements utility routines for manipulating slash-separated paths.
path/filepathPackage filepath implements utility routines for manipulating filename paths in a way compatible with the target operating system-defined file paths.
runtimePackage runtime contains operations that interact with Go's runtime system, such as functions to control goroutines.
sortPackage sort provides primitives for sorting slices and user-defined collections.
stringsPackage strings implements simple functions to manipulate UTF-8 encoded strings.
timePackage time provides functionality for measuring and displaying time.