$ git clone -n https://src.fedoraproject.org/rpms/nebula.git /var/lib/mock/f40-build-2594935-62742/root/chroot_tmpdir/scmroot/nebula
Cloning into '/var/lib/mock/f40-build-2594935-62742/root/chroot_tmpdir/scmroot/nebula'...
$ git fetch origin e3500a8d24410b4f5f2ed8673456dd30eab14809:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/nebula
 * [new ref]         e3500a8d24410b4f5f2ed8673456dd30eab14809 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e3500a8 Rebuild for golang 1.22.0