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489 lines
9.9 KiB
Bash
489 lines
9.9 KiB
Bash
#!/bin/sh
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# Copyright (C) 2006-2011 OpenWrt.org
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# Copyright (C) 2006 Fokus Fraunhofer <carsten.tittel@fokus.fraunhofer.de>
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debug () {
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${DEBUG:-:} "$@"
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}
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# newline
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N="
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"
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_C=0
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NO_EXPORT=1
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LOAD_STATE=1
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LIST_SEP=" "
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hotplug_dev() {
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env -i ACTION=$1 INTERFACE=$2 /sbin/hotplug-call net
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}
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append() {
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local var="$1"
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local value="$2"
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local sep="${3:- }"
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eval "export ${NO_EXPORT:+-n} -- \"$var=\${$var:+\${$var}\${value:+\$sep}}\$value\""
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}
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list_contains() {
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local var="$1"
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local str="$2"
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local val
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eval "val=\" \${$var} \""
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[ "${val%% $str *}" != "$val" ]
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}
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list_remove() {
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local var="$1"
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local remove="$2"
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local val
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eval "val=\" \${$var} \""
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val1="${val%% $remove *}"
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[ "$val1" = "$val" ] && return
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val2="${val##* $remove }"
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[ "$val2" = "$val" ] && return
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val="${val1## } ${val2%% }"
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val="${val%% }"
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eval "export ${NO_EXPORT:+-n} -- \"$var=\$val\""
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}
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config_load() {
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[ -n "$IPKG_INSTROOT" ] && return 0
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uci_load "$@"
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}
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reset_cb() {
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config_cb() { return 0; }
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option_cb() { return 0; }
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list_cb() { return 0; }
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}
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reset_cb
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package() {
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return 0
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}
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config () {
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local cfgtype="$1"
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local name="$2"
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export ${NO_EXPORT:+-n} CONFIG_NUM_SECTIONS=$(($CONFIG_NUM_SECTIONS + 1))
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name="${name:-cfg$CONFIG_NUM_SECTIONS}"
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append CONFIG_SECTIONS "$name"
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[ -n "$NO_CALLBACK" ] || config_cb "$cfgtype" "$name"
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export ${NO_EXPORT:+-n} CONFIG_SECTION="$name"
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export ${NO_EXPORT:+-n} "CONFIG_${CONFIG_SECTION}_TYPE=$cfgtype"
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}
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option () {
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local varname="$1"; shift
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local value="$*"
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export ${NO_EXPORT:+-n} "CONFIG_${CONFIG_SECTION}_${varname}=$value"
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[ -n "$NO_CALLBACK" ] || option_cb "$varname" "$*"
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}
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list() {
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local varname="$1"; shift
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local value="$*"
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local len
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config_get len "$CONFIG_SECTION" "${varname}_LENGTH" 0
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[ $len = 0 ] && append CONFIG_LIST_STATE "${CONFIG_SECTION}_${varname}"
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len=$(($len + 1))
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config_set "$CONFIG_SECTION" "${varname}_ITEM$len" "$value"
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config_set "$CONFIG_SECTION" "${varname}_LENGTH" "$len"
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append "CONFIG_${CONFIG_SECTION}_${varname}" "$value" "$LIST_SEP"
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list_cb "$varname" "$*"
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}
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config_rename() {
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local OLD="$1"
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local NEW="$2"
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local oldvar
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local newvar
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[ -n "$OLD" -a -n "$NEW" ] || return
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for oldvar in `set | grep ^CONFIG_${OLD}_ | \
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sed -e 's/\(.*\)=.*$/\1/'` ; do
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newvar="CONFIG_${NEW}_${oldvar##CONFIG_${OLD}_}"
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eval "export ${NO_EXPORT:+-n} \"$newvar=\${$oldvar}\""
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unset "$oldvar"
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done
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export ${NO_EXPORT:+-n} CONFIG_SECTIONS="$(echo " $CONFIG_SECTIONS " | sed -e "s, $OLD , $NEW ,")"
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[ "$CONFIG_SECTION" = "$OLD" ] && export ${NO_EXPORT:+-n} CONFIG_SECTION="$NEW"
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}
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config_unset() {
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config_set "$1" "$2" ""
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}
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config_clear() {
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local SECTION="$1"
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local oldvar
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list_remove CONFIG_SECTIONS "$SECTION"
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export ${NO_EXPORT:+-n} CONFIG_SECTIONS="${SECTION:+$CONFIG_SECTIONS}"
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for oldvar in `set | grep ^CONFIG_${SECTION:+${SECTION}_} | \
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sed -e 's/\(.*\)=.*$/\1/'` ; do
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unset $oldvar
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done
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}
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# config_get <variable> <section> <option> [<default>]
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# config_get <section> <option>
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config_get() {
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case "$3" in
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"") eval echo "\${CONFIG_${1}_${2}:-\${4}}";;
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*) eval export ${NO_EXPORT:+-n} -- "${1}=\${CONFIG_${2}_${3}:-\${4}}";;
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esac
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}
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# config_get_bool <variable> <section> <option> [<default>]
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config_get_bool() {
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local _tmp
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config_get _tmp "$2" "$3" "$4"
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case "$_tmp" in
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1|on|true|enabled) _tmp=1;;
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0|off|false|disabled) _tmp=0;;
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*) _tmp="$4";;
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esac
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export ${NO_EXPORT:+-n} "$1=$_tmp"
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}
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config_set() {
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local section="$1"
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local option="$2"
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local value="$3"
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local old_section="$CONFIG_SECTION"
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CONFIG_SECTION="$section"
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option "$option" "$value"
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CONFIG_SECTION="$old_section"
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}
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config_foreach() {
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local ___function="$1"
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[ "$#" -ge 1 ] && shift
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local ___type="$1"
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[ "$#" -ge 1 ] && shift
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local section cfgtype
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[ -z "$CONFIG_SECTIONS" ] && return 0
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for section in ${CONFIG_SECTIONS}; do
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config_get cfgtype "$section" TYPE
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[ -n "$___type" -a "x$cfgtype" != "x$___type" ] && continue
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eval "$___function \"\$section\" \"\$@\""
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done
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}
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config_list_foreach() {
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[ "$#" -ge 3 ] || return 0
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local section="$1"; shift
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local option="$1"; shift
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local function="$1"; shift
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local val
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local len
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local c=1
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config_get len "${section}" "${option}_LENGTH"
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[ -z "$len" ] && return 0
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while [ $c -le "$len" ]; do
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config_get val "${section}" "${option}_ITEM$c"
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eval "$function \"\$val\" \"\$@\""
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c="$(($c + 1))"
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done
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}
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load_modules() {
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[ -d /etc/modules.d ] && {
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cd /etc/modules.d
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sed 's/^[^#]/insmod &/' $* | ash 2>&- || :
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}
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}
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include() {
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local file
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for file in $(ls $1/*.sh 2>/dev/null); do
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. $file
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done
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}
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find_mtd_index() {
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local PART="$(grep "\"$1\"" /proc/mtd | awk -F: '{print $1}')"
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local INDEX="${PART##mtd}"
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echo ${INDEX}
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}
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find_mtd_part() {
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local INDEX=$(find_mtd_index "$1")
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local PREFIX=/dev/mtdblock
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[ -d /dev/mtdblock ] && PREFIX=/dev/mtdblock/
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echo "${INDEX:+$PREFIX$INDEX}"
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}
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find_mtd_chardev() {
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local INDEX=$(find_mtd_index "$1")
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local PREFIX=/dev/mtd
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[ -d /dev/mtd ] && PREFIX=/dev/mtd/
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echo "${INDEX:+$PREFIX$INDEX}"
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}
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strtok() { # <string> { <variable> [<separator>] ... }
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local tmp
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local val="$1"
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local count=0
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shift
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while [ $# -gt 1 ]; do
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tmp="${val%%$2*}"
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[ "$tmp" = "$val" ] && break
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val="${val#$tmp$2}"
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export ${NO_EXPORT:+-n} "$1=$tmp"; count=$((count+1))
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shift 2
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done
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if [ $# -gt 0 -a -n "$val" ]; then
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export ${NO_EXPORT:+-n} "$1=$val"; count=$((count+1))
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fi
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return $count
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}
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jffs2_mark_erase() {
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local part="$(find_mtd_part "$1")"
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[ -z "$part" ] && {
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echo Partition not found.
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return 1
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}
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echo -e "\xde\xad\xc0\xde" | mtd -qq write - "$1"
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}
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uci_apply_defaults() {
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cd /etc/uci-defaults || return 0
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files="$(ls)"
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[ -z "$files" ] && return 0
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mkdir -p /tmp/.uci
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for file in $files; do
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( . "./$(basename $file)" ) && rm -f "$file"
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done
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uci commit
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}
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group_add() {
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local name="$1"
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local gid="$2"
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local rc
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[ -f "${IPKG_INSTROOT}/etc/group" ] || return 1
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[ -n "$IPKG_INSTROOT" ] || lock /var/lock/group
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echo "${name}:x:${gid}:" >> ${IPKG_INSTROOT}/etc/group
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rc=$?
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[ -n "$IPKG_INSTROOT" ] || lock -u /var/lock/group
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return $rc
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}
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group_exists() {
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grep -qs "^${1}:" ${IPKG_INSTROOT}/etc/group
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}
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user_add() {
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local name="${1}"
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local uid="${2}"
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local gid="${3:-$2}"
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local desc="${4:-$1}"
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local home="${5:-/var/run/$1}"
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local shell="${6:-/bin/false}"
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local rc
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[ -f "${IPKG_INSTROOT}/etc/passwd" ] || return 1
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[ -n "$IPKG_INSTROOT" ] || lock /var/lock/passwd
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echo "${name}:x:${uid}:${gid}:${desc}:${home}:${shell}" >> ${IPKG_INSTROOT}/etc/passwd
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echo "${name}:x:0:0:99999:7:::" >> ${IPKG_INSTROOT}/etc/shadow
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rc=$?
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[ -n "$IPKG_INSTROOT" ] || lock -u /var/lock/passwd
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return $rc
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}
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user_exists() {
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grep -qs "^${1}:" ${IPKG_INSTROOT}/etc/passwd
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}
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pi_include() {
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if [ -f "/tmp/overlay/$1" ]; then
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. "/tmp/overlay/$1"
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elif [ -f "$1" ]; then
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. "$1"
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elif [ -d "/tmp/overlay/$1" ]; then
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if [ -n "$(ls /tmp/overlay/$1/*.sh 2>/dev/null)" ]; then
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for src_script in /tmp/overlay/$1/*.sh; do
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. "$src_script"
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done
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fi
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elif [ -d "$1" ]; then
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if [ -n "$(ls $1/*.sh 2>/dev/null)" ]; then
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for src_script in $1/*.sh; do
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. "$src_script"
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done
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fi
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else
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echo "WARNING: $1 not found"
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return 1
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fi
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return 0
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}
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#!/bin/sh
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# Copyright (C) 2006-2010 OpenWrt.org
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# Copyright (C) 2010 Vertical Communications
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boot_hook_splice_start() {
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export -n PI_HOOK_SPLICE=1
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}
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boot_hook_splice_finish() {
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local hook
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for hook in $PI_STACK_LIST; do
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local v; eval "v=\${${hook}_splice:+\$${hook}_splice }$hook"
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export -n "${hook}=${v% }"
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export -n "${hook}_splice="
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done
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export -n PI_HOOK_SPLICE=
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}
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boot_hook_init() {
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local hook="${1}_hook"
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export -n "PI_STACK_LIST=${PI_STACK_LIST:+$PI_STACK_LIST }$hook"
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export -n "$hook="
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}
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boot_hook_add() {
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local hook="${1}_hook${PI_HOOK_SPLICE:+_splice}"
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local func="${2}"
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[ -n "$func" ] && {
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local v; eval "v=\$$hook"
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export -n "$hook=${v:+$v }$func"
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}
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}
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boot_hook_shift() {
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local hook="${1}_hook"
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local rvar="${2}"
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local v; eval "v=\$$hook"
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[ -n "$v" ] && {
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local first="${v%% *}"
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[ "$v" != "${v#* }" ] && \
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export -n "$hook=${v#* }" || \
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export -n "$hook="
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export -n "$rvar=$first"
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return 0
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}
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return 1
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}
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boot_run_hook() {
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local hook="$1"
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local func
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while boot_hook_shift "$hook" func; do
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local ran; eval "ran=\$PI_RAN_$func"
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[ -n "$ran" ] || {
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export -n "PI_RAN_$func=1"
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$func "$1" "$2"
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}
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done
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}
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jffs2_ready () {
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mtdpart="$(find_mtd_part rootfs_data)"
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[ -z "$mtdpart" ] && return 1
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magic=$(hexdump $mtdpart -n 4 -e '4/1 "%02x"')
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[ "$magic" != "deadc0de" ]
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}
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dupe() { # <new_root> <old_root>
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cd $1
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echo -n "creating directories... "
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{
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cd $2
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find . -xdev -type d
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echo "./dev ./overlay ./mnt ./proc ./tmp"
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# xdev skips mounted directories
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cd $1
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} | xargs mkdir -p
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echo "done"
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echo -n "setting up symlinks... "
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for file in $(cd $2; find . -xdev -type f;); do
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case "$file" in
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./rom/note) ;; #nothing
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./etc/config*|\
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./usr/lib/opkg/info/*) cp -af $2/$file $file;;
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*) ln -sf /rom/${file#./*} $file;;
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esac
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done
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for file in $(cd $2; find . -xdev -type l;); do
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cp -af $2/${file#./*} $file
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done
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echo "done"
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}
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pivot() { # <new_root> <old_root>
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mount -o noatime,move /proc $1/proc && \
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pivot_root $1 $1$2 && {
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mount -o noatime,move $2/dev /dev
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mount -o noatime,move $2/tmp /tmp
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mount -o noatime,move $2/sys /sys 2>&-
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mount -o noatime,move $2/overlay /overlay 2>&-
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return 0
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}
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}
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fopivot() { # <rw_root> <ro_root> <dupe?>
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root=$1
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{
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if grep -q overlay /proc/filesystems; then
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mount -o noatime,lowerdir=/,upperdir=$1 -t overlayfs "overlayfs:$1" /mnt && root=/mnt
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elif grep -q mini_fo /proc/filesystems; then
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mount -t mini_fo -o noatime,base=/,sto=$1 "mini_fo:$1" /mnt 2>&- && root=/mnt
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else
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mount --bind -o noatime / /mnt
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mount --bind -o noatime,union "$1" /mnt && root=/mnt
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fi
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} || {
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[ "$3" = "1" ] && {
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mount | grep "on $1 type" 2>&- 1>&- || mount -o noatime,bind $1 $1
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dupe $1 $rom
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}
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}
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pivot $root $2
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}
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ramoverlay() {
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mkdir -p /tmp/root
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mount -t tmpfs -o noatime,mode=0755 root /tmp/root
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fopivot /tmp/root /rom 1
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}
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[ -z "$IPKG_INSTROOT" -a -f /lib/config/uci.sh ] && . /lib/config/uci.sh
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