$ git clone -n https://src.fedoraproject.org/rpms/root.git /var/lib/mock/f38-build-721018-98098/root/chroot_tmpdir/scmroot/root
Cloning into '/var/lib/mock/f38-build-721018-98098/root/chroot_tmpdir/scmroot/root'...
$ git reset --hard c39df0d6cee0595fbc1e7708f2bcd0d728cd9c3e
HEAD is now at c39df0d Update to 6.28.04