$ git clone -n https://src.fedoraproject.org/rpms/fcode-utils.git /var/lib/mock/f45-build-8814-396/root/chroot_tmpdir/scmroot/fcode-utils
Cloning into '/var/lib/mock/f45-build-8814-396/root/chroot_tmpdir/scmroot/fcode-utils'...
$ git fetch origin 23ea1d7031309ebe1871f9adb2496036448360d1:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/fcode-utils
 * [new ref]         23ea1d7031309ebe1871f9adb2496036448360d1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 23ea1d7 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild