$ git clone -n https://src.fedoraproject.org/rpms/flashrom.git /var/lib/mock/f45-build-9038-398/root/chroot_tmpdir/scmroot/flashrom
Cloning into '/var/lib/mock/f45-build-9038-398/root/chroot_tmpdir/scmroot/flashrom'...
$ git fetch origin 2d9a597af49d509a3ea210f7be5662aa8dbc5180:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/flashrom
 * [new ref]         2d9a597af49d509a3ea210f7be5662aa8dbc5180 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2d9a597 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild