$ git clone -n https://src.fedoraproject.org/rpms/generic-logos.git /var/lib/mock/f45-build-9718-408/root/chroot_tmpdir/scmroot/generic-logos
Cloning into '/var/lib/mock/f45-build-9718-408/root/chroot_tmpdir/scmroot/generic-logos'...
$ git fetch origin 09a287ce67ad873c08c7451f63f2936a8a532cdd:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/generic-logos
 * [new ref]         09a287ce67ad873c08c7451f63f2936a8a532cdd -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 09a287c Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild