[Bug-tar] tar-1.15 fails when unpacking some archives

[Greg Schafer]

Hi

This release behaves weirdly when unpacking some archives eg: this tarball:

  http://expect.nist.gov/src/expect-5.42.1.tar.gz


But it only happens when invoked like this:

    gunzip -dc expect-5.42.1.tar.gz | tar xf -

tar: This does not look like a tar archive
tar: Skipping to next header
tar: Read 1024 bytes from -
tar: Error exit delayed from previous errors


But it works fine when invoked like this:

    tar zxf expect-5.42.1.tar.gz

Older versions of tar can unpack that archive without erroring out.


Regards
Greg