$ git clone -n https://src.fedoraproject.org/rpms/paps.git /var/lib/mock/f45-build-21365-584/root/chroot_tmpdir/scmroot/paps
Cloning into '/var/lib/mock/f45-build-21365-584/root/chroot_tmpdir/scmroot/paps'...
$ git fetch origin 36b36417b2babf51b5c75a41f12c322b01590e46:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/paps
 * [new ref]         36b36417b2babf51b5c75a41f12c322b01590e46 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 36b3641 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild