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#!/bin/bash
# This is in 'udev' and 'systemd' hook... Let's hope we have
# it in mkinitcpio soon.
# https://github.com/archlinux/mkinitcpio/pull/54
add_udev_rule() {
# Add an udev rules file to the initcpio image. Dependencies on binaries
# will be discovered and added.
# $1: path to rules file (or name of rules file)
local rules="$1" rule= key= value= binary=
if [[ ${rules:0:1} != '/' ]]; then
rules=$(PATH=/usr/lib/udev/rules.d:/lib/udev/rules.d type -P "$1")
fi
if [[ -z $rules ]]; then
# complain about not found rules
return 1
fi
add_file "$rules" /usr/lib/udev/rules.d/"${rules##*/}"
while IFS=, read -ra rule; do
# skip empty lines, comments
[[ -z $rule || $rule = @(+([[:space:]])|#*) ]] && continue
for pair in "${rule[@]}"; do
IFS=' =' read -r key value <<< "$pair"
case $key in
RUN@({program}|+)|IMPORT{program}|ENV{REMOVE_CMD})
# strip quotes
binary=${value//[\"\']/}
# just take the first word as the binary name
binary=${binary%% *}
[[ ${binary:0:1} == '$' ]] && continue
if [[ ${binary:0:1} != '/' ]]; then
binary=$(PATH=/usr/lib/udev:/lib/udev type -P "$binary")
fi
add_binary "$binary"
;;
esac
done
done <"$rules"
}
build() {
add_file "/etc/udev/udev.conf"
add_binary /usr/bin/udevd
add_binary /usr/bin/udevadm
for rule in 50-udev-default.rules 60-persistent-storage.rules 64-btrfs.rules 80-drivers.rules; do
add_file "/usr/lib/udev/rules.d/$rule"
done
for tool in ata_id scsi_id; do
add_file "/usr/lib/udev/$tool"
done
add_runscript
}
help() {
cat <<HELPEOF
This hook will use udev to create your root device node and detect the needed
modules for your root device. It is also required for firmware loading in
initramfs. It is recommended to use this hook.
HELPEOF
}
# vim: set ft=sh ts=4 sw=4 et:
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