$ git clone -n https://src.fedoraproject.org/rpms/xz.git /var/lib/mock/f40-build-736018-106554/root/chroot_tmpdir/scmroot/xz
Cloning into '/var/lib/mock/f40-build-736018-106554/root/chroot_tmpdir/scmroot/xz'...
$ git reset --hard 8942220b0eadade84ae9a2af4c8ab96cc59396c3
HEAD is now at 8942220 New version 5.4.5 (RHBZ#2247487)