$ git clone -n https://src.fedoraproject.org/rpms/vyper.git /var/lib/mock/f45-build-38213-722/root/chroot_tmpdir/scmroot/vyper
Cloning into '/var/lib/mock/f45-build-38213-722/root/chroot_tmpdir/scmroot/vyper'...
$ git fetch origin 616272143433d91a34e24eb07e90db89381f0937:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/vyper
 * [new ref]         616272143433d91a34e24eb07e90db89381f0937 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6162721 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild