$ git clone -n https://src.fedoraproject.org/rpms/nodejs18.git /var/lib/mock/f42-build-3436175-45433/root/chroot_tmpdir/scmroot/nodejs18
Cloning into '/var/lib/mock/f42-build-3436175-45433/root/chroot_tmpdir/scmroot/nodejs18'...
$ git fetch origin e3dce94f70cd52941bb2b03eac0929437a43f73f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/nodejs18
 * [new ref]         e3dce94f70cd52941bb2b03eac0929437a43f73f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e3dce94 Update to 18.20.7 (rhbz#2346944)