$ git clone -n https://src.fedoraproject.org/rpms/rubygem-semantic_puppet.git /var/lib/mock/f45-build-35312-694/root/chroot_tmpdir/scmroot/rubygem-semantic_puppet
Cloning into '/var/lib/mock/f45-build-35312-694/root/chroot_tmpdir/scmroot/rubygem-semantic_puppet'...
$ git fetch origin d40d99d5c6f68e10a4bf3a8528dd1146bfb71fcd:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rubygem-semantic_puppet
 * [new ref]         d40d99d5c6f68e10a4bf3a8528dd1146bfb71fcd -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d40d99d Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild