$ git clone -n https://src.fedoraproject.org/rpms/sigrok-firmware-fx2lafw.git /var/lib/mock/f45-build-35916-700/root/chroot_tmpdir/scmroot/sigrok-firmware-fx2lafw
Cloning into '/var/lib/mock/f45-build-35916-700/root/chroot_tmpdir/scmroot/sigrok-firmware-fx2lafw'...
$ git fetch origin 077f851c7a4a5e9062a6d692aea28357dceecd04:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/sigrok-firmware-fx2lafw
 * [new ref]         077f851c7a4a5e9062a6d692aea28357dceecd04 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 077f851 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild