$ git clone -n https://src.fedoraproject.org/rpms/lvm2.git /var/lib/mock/f39-build-1503052-34957/root/chroot_tmpdir/scmroot/lvm2
Cloning into '/var/lib/mock/f39-build-1503052-34957/root/chroot_tmpdir/scmroot/lvm2'...
$ git fetch origin 37709171c993983ad1909083ffb5b7a6860e4b25:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/lvm2
 * [new ref]         37709171c993983ad1909083ffb5b7a6860e4b25 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3770917 New upstream release v2.03.22