$ git clone -n https://src.fedoraproject.org/rpms/percona-xtrabackup.git /var/lib/mock/f33-build-604852-67290/root/chroot_tmpdir/scmroot/percona-xtrabackup
Cloning into '/var/lib/mock/f33-build-604852-67290/root/chroot_tmpdir/scmroot/percona-xtrabackup'...
$ git reset --hard be353c2cbebce657a42acf5b774ef6f23d449f0e
HEAD is now at be353c2 Remove dependency on python2