$ git clone -n https://src.fedoraproject.org/rpms/rubygem-clockwork.git /var/lib/mock/f40-build-2565723-62189/root/chroot_tmpdir/scmroot/rubygem-clockwork
Cloning into '/var/lib/mock/f40-build-2565723-62189/root/chroot_tmpdir/scmroot/rubygem-clockwork'...
$ git fetch origin baf4f5d1072dfb1f4fba21e94b7fa38db1d004e4:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rubygem-clockwork
 * [new ref]         baf4f5d1072dfb1f4fba21e94b7fa38db1d004e4 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at baf4f5d Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild