$ git clone -n https://src.fedoraproject.org/rpms/functionalplus.git /var/lib/mock/f45-build-9326-401/root/chroot_tmpdir/scmroot/functionalplus
Cloning into '/var/lib/mock/f45-build-9326-401/root/chroot_tmpdir/scmroot/functionalplus'...
$ git fetch origin 9f002a1fa25a0eb47395bf088a8ccff9d8dafba0:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/functionalplus
 * [new ref]         9f002a1fa25a0eb47395bf088a8ccff9d8dafba0 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9f002a1 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild