$ git clone -n https://src.fedoraproject.org/rpms/zchunk.git /var/lib/mock/f31-build-61304-28849/root/chroot_tmpdir/scmroot/zchunk
Cloning into '/var/lib/mock/f31-build-61304-28849/root/chroot_tmpdir/scmroot/zchunk'...
$ git reset --hard d5bc46de6dbfb9ff15b87a73c71eeb64a9981883
HEAD is now at d5bc46d Actually upload new sources