$ git clone -n https://src.fedoraproject.org/rpms/rdfind.git /var/lib/mock/f45-build-34366-685/root/chroot_tmpdir/scmroot/rdfind
Cloning into '/var/lib/mock/f45-build-34366-685/root/chroot_tmpdir/scmroot/rdfind'...
$ git fetch origin e6502f84c6bc4973ee1e0bc6193e64ffd49ceb98:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rdfind
 * [new ref]         e6502f84c6bc4973ee1e0bc6193e64ffd49ceb98 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e6502f8 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild