use gtar to extract; with tar from base, some files are extracted with Jan 1 1970 timestamps, which results in tests failing (some files in testdata are zipped as part of tests and zip doesn't support pre-1980 dates)
use gtar to extract; with tar from base, some files are extracted with Jan 1 1970 timestamps, which results in tests failing (some files in testdata are zipped as part of tests and zip doesn't support pre-1980 dates)