$ git clone -n https://src.fedoraproject.org/rpms/virt-v2v.git /var/lib/mock/f41-build-821287-152509/root/chroot_tmpdir/scmroot/virt-v2v
Cloning into '/var/lib/mock/f41-build-821287-152509/root/chroot_tmpdir/scmroot/virt-v2v'...
$ git fetch origin c3753c426c7cf96745770819dac1ca52ce138c39:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/virt-v2v
 * [new ref]         c3753c426c7cf96745770819dac1ca52ce138c39 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c3753c4 Depend on /usr/bin/python3 instead of python3 for -o rhv-upload scripts