$ git clone -n https://src.fedoraproject.org/rpms/sugar-calculator.git /var/lib/mock/f45-build-36560-706/root/chroot_tmpdir/scmroot/sugar-calculator
Cloning into '/var/lib/mock/f45-build-36560-706/root/chroot_tmpdir/scmroot/sugar-calculator'...
$ git fetch origin a3cd867de8d1c972c861649608ca88410fbb5471:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/sugar-calculator
 * [new ref]         a3cd867de8d1c972c861649608ca88410fbb5471 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a3cd867 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild