$ git clone -n https://src.fedoraproject.org/rpms/rubygem-logstash-event.git /var/lib/mock/f40-build-2322937-58687/root/chroot_tmpdir/scmroot/rubygem-logstash-event
Cloning into '/var/lib/mock/f40-build-2322937-58687/root/chroot_tmpdir/scmroot/rubygem-logstash-event'...
$ git fetch origin 71889e65893950d0dd7ff45abe0eb39abc3dd374:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rubygem-logstash-event
 * [new ref]         71889e65893950d0dd7ff45abe0eb39abc3dd374 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 71889e6 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild