$ git clone -n https://src.fedoraproject.org/rpms/lvm2.git /var/lib/mock/f41-build-side-1-2812363-32940/root/chroot_tmpdir/scmroot/lvm2
Cloning into '/var/lib/mock/f41-build-side-1-2812363-32940/root/chroot_tmpdir/scmroot/lvm2'...
$ git fetch origin dd20d462a5a79c351da05fd5b22cb3aecddd2fc4:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/lvm2
 * [new ref]         dd20d462a5a79c351da05fd5b22cb3aecddd2fc4 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at dd20d46 New upstream release v2.03.27