$ git clone -n https://src.fedoraproject.org/rpms/galculator.git /var/lib/mock/f45-build-9402-403/root/chroot_tmpdir/scmroot/galculator
Cloning into '/var/lib/mock/f45-build-9402-403/root/chroot_tmpdir/scmroot/galculator'...
$ git fetch origin 996f8a55613807d378b29ca6889f33cad4999667:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/galculator
 * [new ref]         996f8a55613807d378b29ca6889f33cad4999667 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 996f8a5 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild