$ git clone -n https://src.fedoraproject.org/rpms/virt-v2v.git /var/lib/mock/f41-build-2568238-25544/root/chroot_tmpdir/scmroot/virt-v2v
Cloning into '/var/lib/mock/f41-build-2568238-25544/root/chroot_tmpdir/scmroot/virt-v2v'...
$ git fetch origin 325d55230c464e058edd559bcb020fa04bbdd1a3:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/virt-v2v
 * [new ref]         325d55230c464e058edd559bcb020fa04bbdd1a3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 325d552 New upstream development version 2.5.9