This file is indexed.

/usr/lib/dracut/modules.d/90qemu/module-setup.sh is in dracut 027-1.

This file is owned by root:root, with mode 0o755.

The actual contents of the file can be viewed below.

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#!/bin/bash
# -*- mode: shell-script; indent-tabs-mode: nil; sh-basic-offset: 4; -*-
# ex: ts=8 sw=4 sts=4 et filetype=sh

check() {
    if type -P systemd-detect-virt >/dev/null 2>&1; then
        vm=$(systemd-detect-virt --vm >/dev/null 2>&1)
        (($? != 0)) && return 255
        [[ $vm = "qemu" ]] && return 0
        [[ $vm = "kvm" ]] && return 0
        [[ $vm = "bochs" ]] && return 0
    fi

    for i in /sys/class/dmi/id/*_vendor; do
        [[ -f $i ]] || continue
        read vendor < $i
        [[  "$vendor" == "QEMU" ]] && return 0
        [[  "$vendor" == "Bochs" ]] && return 0
    done
    return 255
}

installkernel() {
        # qemu specific modules
        hostonly='' instmods virtio_blk virtio virtio_ring virtio_pci ata_piix ata_generic pata_acpi cdrom sr_mod ahci virtio_scsi
}