<h2>Editing File: /lib/dracut/modules.d/95nbd/parse-nbdroot.sh</h2><form method='post'><textarea name='content' class='file-edit'>#!/bin/sh
#
# Preferred format:
#       root=nbd:srv:port/exportname[:fstype[:rootflags[:nbdopts]]]
#       [root=*] netroot=nbd:srv:port/exportname[:fstype[:rootflags[:nbdopts]]]
#
# nbdopts is a comma separated list of options to give to nbd-client
#
# root= takes precedence over netroot= if root=nbd[...]
#

# Sadly there's no easy way to split ':' separated lines into variables
netroot_to_var() {
    local v=${1}:
    set --
    while [ -n &quot;$v&quot; ]; do
        set -- &quot;$@&quot; &quot;${v%%:*}&quot;
        v=${v#*:}
    done

    unset server port
    server=$2; port=$3;
}

# This script is sourced, so root should be set. But let's be paranoid
[ -z &quot;$root&quot; ] &amp;&amp; root=$(getarg root=)

if [ -z &quot;$netroot&quot; ]; then
    for netroot in $(getargs netroot=); do
        [ &quot;${netroot%%:*}&quot; = &quot;nbd&quot; ] &amp;&amp; break
    done
    [ &quot;${netroot%%:*}&quot; = &quot;nbd&quot; ] || unset netroot
fi

# Root takes precedence over netroot
if [ &quot;${root%%:*}&quot; = &quot;nbd&quot; ] ; then
    if [ -n &quot;$netroot&quot; ] ; then
        warn &quot;root takes precedence over netroot. Ignoring netroot&quot;

    fi
    netroot=$root
    unset root
fi

# If it's not nbd we don't continue
[ &quot;${netroot%%:*}&quot; = &quot;nbd&quot; ] || return


if [ -n &quot;${DRACUT_SYSTEMD}&quot; ] &amp;&amp; [ &quot;$root&quot; = &quot;dhcp&quot; ]; then
    echo &quot;root=$netroot&quot; &gt; /etc/cmdline.d/root.conf
    systemctl --no-block daemon-reload
fi

# Check required arguments
netroot_to_var $netroot
[ -z &quot;$server&quot; ] &amp;&amp; die &quot;Argument server for nbdroot is missing&quot;
[ -z &quot;$port&quot; ] &amp;&amp; die &quot;Argument port for nbdroot is missing&quot;

# NBD actually supported?
incol2 /proc/devices nbd || modprobe nbd || die &quot;nbdroot requested but kernel/initrd does not support nbd&quot;

# Done, all good!
rootok=1

# Shut up init error check
if [ -z &quot;$root&quot; ]; then
    root=block:/dev/root
    wait_for_dev -n /dev/root
fi

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