$ git clone -n https://src.fedoraproject.org/rpms/rubberband.git /var/lib/mock/f40-build-2060809-49167/root/chroot_tmpdir/scmroot/rubberband
Cloning into '/var/lib/mock/f40-build-2060809-49167/root/chroot_tmpdir/scmroot/rubberband'...
$ git fetch origin 7876dc0ad940104b149d6a68c153000db6627549:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rubberband
 * [new ref]         7876dc0ad940104b149d6a68c153000db6627549 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7876dc0 Update to 3.3.0