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base-files: optimize init.d/boot

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-uci_apply_defaults
 * set IFS for robustness
 * removed directory change to /etc/uci-defaults
 * removed variable files with ls subshell
 * removed test variable files has zero length
 * removed basename subshell
 * changed "for var" into "for glob"
 * added "commit only on changes"
-boot
 * removed quotes from echo
 * grouped commands by path
 * merged mkdir & chmod for /var/lock
 * merged mkdir & chmod for /tmp/.uci
 * removed "f flag" from symlink /tmp/resolv.conf
 * added local variable for common mount options
 * favored path test over grep filesystems
 * converted wireless test from "negative and" to "positive or"
 * remove second instance of mkdir /tmp/.uci
 * added test for /sbin/wifi

Signed-off-by: John Kirk <johnskirk@proton.me>
This commit is contained in:
John Kirk 2024-12-09 13:02:29 +01:00
parent af611bce44
commit 004bc92caf
1 changed files with 27 additions and 28 deletions
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55
package/base-files/files/etc/init.d/boot
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@ -1,58 +1,57 @@
#!/bin/sh /etc/rc.common
# Copyright (C) 2006-2011 OpenWrt.org
# Copyright (C) 2006-2024 OpenWrt.org
START=10
STOP=90
uci_apply_defaults() {
. /lib/functions/system.sh
cd /etc/uci-defaults || return 0
files="$(ls)"
[ -z "$files" ] && return 0
for file in $files; do
( . "./$(basename $file)" ) && rm -f "$file"
local IFS=$'\n'
for f in /etc/uci-defaults/* ; do
( . "$f" ) && rm -f "$f"
done
uci commit
[ $(uci changes|wc -l) -eq 0 ] || uci commit
}
boot() {
[ -f /proc/mounts ] || /sbin/mount_root
[ -f /proc/jffs2_bbc ] && echo "S" > /proc/jffs2_bbc
[ -f /proc/jffs2_bbc ] && echo S > /proc/jffs2_bbc
mkdir -p /var/lock
chmod 1777 /var/lock
mkdir -p -m 1777 /var/lock
mkdir -p /var/log
touch /var/log/lastlog
touch /var/log/wtmp
mkdir -p /var/run
ln -s /var/run /run
ln -s /var/lock /run/lock
mkdir -p /var/state
mkdir -p /var/tmp
mkdir -p /tmp/.uci
chmod 0700 /tmp/.uci
touch /var/log/wtmp
touch /var/log/lastlog
mkdir -p -m 0700 /tmp/.uci
mkdir -p /tmp/resolv.conf.d
touch /tmp/resolv.conf.d/resolv.conf.auto
ln -sf /tmp/resolv.conf.d/resolv.conf.auto /tmp/resolv.conf
grep -q debugfs /proc/filesystems && /bin/mount -o nosuid,nodev,noexec,noatime -t debugfs debugfs /sys/kernel/debug
grep -q bpf /proc/filesystems && /bin/mount -o nosuid,nodev,noexec,noatime,mode=0700 -t bpf bpffs /sys/fs/bpf
grep -q pstore /proc/filesystems && /bin/mount -o nosuid,nodev,noexec,noatime -t pstore pstore /sys/fs/pstore
ln -s /tmp/resolv.conf.d/resolv.conf.auto /tmp/resolv.conf
local common=nosuid,nodev,noexec,noatime
[ -d /sys/kernel/debug ] \
&& mount -t debugfs -o $common debugfs /sys/kernel/debug
[ -d /sys/fs/bpf ] \
&& mount -t bpf -o $common,mode=0700 bpffs /sys/fs/bpf
[ -d /sys/fs/pstore ] \
&& mount -t pstore -o $common pstore /sys/fs/pstore
[ "$FAILSAFE" = "true" ] && touch /tmp/.failsafe
touch /tmp/.config_pending
/sbin/kmodloader
[ ! -f /etc/config/wireless ] && {
# compat for bcm47xx and mvebu
sleep 1
}
mkdir -p /tmp/.uci
[ -f /etc/uci-defaults/30_uboot-envtools ] && (. /etc/uci-defaults/30_uboot-envtools)
# compat for bcm47xx and mvebu
[ -f /etc/config/wireless ] || sleep 1
# allows /etc/board.d/* scripts to use values from uboot environment
[ -f /etc/uci-defaults/30_uboot-envtools ] \
&& (. /etc/uci-defaults/30_uboot-envtools)
/bin/config_generate
rm -f /tmp/.config_pending
/sbin/wifi config
[ -x /sbin/wifi ] && /sbin/wifi config
uci_apply_defaults
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