$ git clone -n https://src.fedoraproject.org/rpms/rubygem-propshaft.git /var/lib/mock/f45-build-35165-693/root/chroot_tmpdir/scmroot/rubygem-propshaft
Cloning into '/var/lib/mock/f45-build-35165-693/root/chroot_tmpdir/scmroot/rubygem-propshaft'...
$ git fetch origin 408a7d34f5db11a24f203c2a7df6d8c6ffd2f414:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rubygem-propshaft
 * [new ref]         408a7d34f5db11a24f203c2a7df6d8c6ffd2f414 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 408a7d3 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild