tar-1.23 has the same issue. Maybe this is not a bug in tar, but in GIT.
--
tar: Record size = 8 blocks
https://bugs.launchpad.net/bugs/562083
You received this bug notification because you are a member of Ubuntu
Bugs, which is subscribed to Ubuntu.
--
ubuntu-bugs mailing list
It is not something in git-archive, but it is hard to reproduce. I did
spotted a bug in a archive creation script. If I do a
tar cfz archive.tar.bz2 directory # name the file .bz2, but use the
-z (gzip) compression flag
unpack
tar xvf archive.tar.bz2
sometimes you get the warning mentioned
