reverted distutils its 3.1 state. All new work is now happening in disutils2, and distutils is now feature-frozen.
diff --git a/Lib/distutils/archive_util.py b/Lib/distutils/archive_util.py
index 28e93fe..16164c7 100644
--- a/Lib/distutils/archive_util.py
+++ b/Lib/distutils/archive_util.py
@@ -14,55 +14,15 @@
 from distutils.dir_util import mkpath
 from distutils import log
 
-try:
-    from pwd import getpwnam
-except ImportError:
-    getpwnam = None
-
-try:
-    from grp import getgrnam
-except ImportError:
-    getgrnam = None
-
-def _get_gid(name):
-    """Returns a gid, given a group name."""
-    if getgrnam is None or name is None:
-        return None
-    try:
-        result = getgrnam(name)
-    except KeyError:
-        result = None
-    if result is not None:
-        return result[2]
-    return None
-
-def _get_uid(name):
-    """Returns an uid, given a user name."""
-    if getpwnam is None or name is None:
-        return None
-    try:
-        result = getpwnam(name)
-    except KeyError:
-        result = None
-    if result is not None:
-        return result[2]
-    return None
-
-def make_tarball(base_name, base_dir, compress="gzip", verbose=0, dry_run=0,
-                 owner=None, group=None):
+def make_tarball(base_name, base_dir, compress="gzip", verbose=0, dry_run=0):
     """Create a (possibly compressed) tar file from all the files under
     'base_dir'.
 
     'compress' must be "gzip" (the default), "compress", "bzip2", or None.
-    (compress will be deprecated in Python 3.2)
-
-    'owner' and 'group' can be used to define an owner and a group for the
-    archive that is being built. If not provided, the current owner and group
-    will be used.
-
+    Both "tar" and the compression utility named by 'compress' must be on
+    the default program search path, so this is probably Unix-specific.
     The output tar file will be named 'base_dir' +  ".tar", possibly plus
     the appropriate compression extension (".gz", ".bz2" or ".Z").
-
     Returns the output filename.
     """
     tar_compression = {'gzip': 'gz', 'bzip2': 'bz2', None: '', 'compress': ''}
@@ -84,23 +44,10 @@
     import tarfile  # late import so Python build itself doesn't break
 
     log.info('Creating tar archive')
-
-    uid = _get_uid(owner)
-    gid = _get_gid(group)
-
-    def _set_uid_gid(tarinfo):
-        if gid is not None:
-            tarinfo.gid = gid
-            tarinfo.gname = group
-        if uid is not None:
-            tarinfo.uid = uid
-            tarinfo.uname = owner
-        return tarinfo
-
     if not dry_run:
         tar = tarfile.open(archive_name, 'w|%s' % tar_compression[compress])
         try:
-            tar.add(base_dir, filter=_set_uid_gid)
+            tar.add(base_dir)
         finally:
             tar.close()
 
@@ -190,7 +137,7 @@
     return None
 
 def make_archive(base_name, format, root_dir=None, base_dir=None, verbose=0,
-                 dry_run=0, owner=None, group=None):
+                 dry_run=0):
     """Create an archive file (eg. zip or tar).
 
     'base_name' is the name of the file to create, minus any format-specific
@@ -203,9 +150,6 @@
     ie. 'base_dir' will be the common prefix of all files and
     directories in the archive.  'root_dir' and 'base_dir' both default
     to the current directory.  Returns the name of the archive file.
-
-    'owner' and 'group' are used when creating a tar archive. By default,
-    uses the current owner and group.
     """
     save_cwd = os.getcwd()
     if root_dir is not None:
@@ -227,11 +171,6 @@
     func = format_info[0]
     for arg, val in format_info[1]:
         kwargs[arg] = val
-
-    if format != 'zip':
-        kwargs['owner'] = owner
-        kwargs['group'] = group
-
     try:
         filename = func(base_name, base_dir, **kwargs)
     finally: