$ git clone -n https://src.fedoraproject.org/rpms/simdjson.git /var/lib/mock/f42-build-3285444-41413/root/chroot_tmpdir/scmroot/simdjson
Cloning into '/var/lib/mock/f42-build-3285444-41413/root/chroot_tmpdir/scmroot/simdjson'...
$ git fetch origin 926f563a07a3f29328c3594589fcac1eea89c67f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/simdjson
 * [new ref]         926f563a07a3f29328c3594589fcac1eea89c67f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 926f563 Update to 3.11.6 (rhbz#2330725)