$ git clone -n https://src.fedoraproject.org/rpms/virt-v2v.git /var/lib/mock/f39-build-2549374-61915/root/chroot_tmpdir/scmroot/virt-v2v
Cloning into '/var/lib/mock/f39-build-2549374-61915/root/chroot_tmpdir/scmroot/virt-v2v'...
$ git fetch origin 98ae78f391f437bb8d072e6d5e187b9b60055275:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/virt-v2v
 * [new ref]         98ae78f391f437bb8d072e6d5e187b9b60055275 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 98ae78f Add new virt-v2v-release-notes-2.4(1) man page to %files