$ git clone -n https://src.fedoraproject.org/rpms/virt-v2v.git /var/lib/mock/f40-build-799325-142260/root/chroot_tmpdir/scmroot/virt-v2v
Cloning into '/var/lib/mock/f40-build-799325-142260/root/chroot_tmpdir/scmroot/virt-v2v'...
$ git fetch origin 8d27cb1379a7e26812349929a42b4b00b0ce704b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/virt-v2v
 * [new ref]         8d27cb1379a7e26812349929a42b4b00b0ce704b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8d27cb1 New development branch version 2.5.2