$ git clone -n https://src.fedoraproject.org/rpms/kf5-kcontacts.git /var/lib/mock/f31-build-56928-28271/root/chroot_tmpdir/scmroot/kf5-kcontacts
Cloning into '/var/lib/mock/f31-build-56928-28271/root/chroot_tmpdir/scmroot/kf5-kcontacts'...
$ git reset --hard c2e8919f03167dd1e1cbb86440ed7b8891768509
HEAD is now at c2e8919 19.04.3