$ git clone -n https://src.fedoraproject.org/rpms/nebula.git /var/lib/mock/f38-build-side-42-init-devel-628103-26370/root/chroot_tmpdir/scmroot/nebula
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-628103-26370/root/chroot_tmpdir/scmroot/nebula'...
$ git fetch origin 27db04990ee5aa568a1426d89c41b444338991f1:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/nebula
 * [new ref]         27db04990ee5aa568a1426d89c41b444338991f1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 27db049 Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild