dracut/modules.d/40network/ifname-genrules.sh

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#!/bin/sh
# -*- mode: shell-script; indent-tabs-mode: nil; sh-basic-offset: 4; -*-
# ex: ts=8 sw=4 sts=4 et filetype=sh
# if there are no ifname parameters, just use NAME=KERNEL
if ! getarg ifname= >/dev/null ; then
return
fi
command -v parse_ifname_opts >/dev/null || . /lib/net-lib.sh
{
for p in $(getargs ifname=); do
parse_ifname_opts $p
printf 'SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*", ATTR{address}=="%s", ATTR{type}=="1", NAME="%s"\n' "$ifname_mac" "$ifname_if"
done
# Rename non named interfaces out of the way for named ones.
for p in $(getargs ifname=); do
parse_ifname_opts $p
printf 'SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*", ATTR{address}=="?*", ATTR{type}=="1", NAME!="?*", KERNEL=="%s", NAME="%%k-renamed"\n' "$ifname_if"
done
} > /etc/udev/rules.d/50-ifname.rules