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130 lines
3.7 KiB
130 lines
3.7 KiB
#!/bin/sh |
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getcmdline() { |
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while read -r _line || [ -n "$_line" ]; do |
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printf "%s" "$_line" |
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done </proc/cmdline; |
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} |
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_dogetarg() { |
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local _o _val _doecho |
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unset _val |
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unset _o |
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unset _doecho |
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CMDLINE=$(getcmdline) |
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for _o in $CMDLINE; do |
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if [ "${_o%%=*}" = "${1%%=*}" ]; then |
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if [ -n "${1#*=}" -a "${1#*=*}" != "${1}" ]; then |
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# if $1 has a "=<value>", we want the exact match |
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if [ "$_o" = "$1" ]; then |
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_val="1"; |
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unset _doecho |
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fi |
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continue |
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fi |
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if [ "${_o#*=}" = "$_o" ]; then |
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# if cmdline argument has no "=<value>", we assume "=1" |
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_val="1"; |
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unset _doecho |
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continue |
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fi |
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_val="${_o#*=}" |
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_doecho=1 |
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fi |
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done |
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if [ -n "$_val" ]; then |
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[ "x$_doecho" != "x" ] && echo "$_val"; |
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return 0; |
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fi |
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return 1; |
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} |
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getarg() { |
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local _deprecated _newoption |
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while [ $# -gt 0 ]; do |
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case $1 in |
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-d) _deprecated=1; shift;; |
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-y) if _dogetarg $2 >/dev/null; then |
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if [ "$_deprecated" = "1" ]; then |
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[ -n "$_newoption" ] && warn "Kernel command line option '$2' is deprecated, use '$_newoption' instead." || warn "Option '$2' is deprecated." |
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fi |
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echo 1 |
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return 0 |
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fi |
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_deprecated=0 |
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shift 2;; |
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-n) if _dogetarg $2 >/dev/null; then |
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echo 0; |
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if [ "$_deprecated" = "1" ]; then |
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[ -n "$_newoption" ] && warn "Kernel command line option '$2' is deprecated, use '$_newoption=0' instead." || warn "Option '$2' is deprecated." |
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fi |
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return 1 |
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fi |
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_deprecated=0 |
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shift 2;; |
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*) if [ -z "$_newoption" ]; then |
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_newoption="$1" |
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fi |
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if _dogetarg $1; then |
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if [ "$_deprecated" = "1" ]; then |
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[ -n "$_newoption" ] && warn "Kernel command line option '$1' is deprecated, use '$_newoption' instead." || warn "Option '$1' is deprecated." |
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fi |
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return 0; |
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fi |
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_deprecated=0 |
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shift;; |
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esac |
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done |
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return 1 |
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} |
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getargbool() { |
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local _b |
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unset _b |
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local _default |
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_default="$1"; shift |
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_b=$(getarg "$@") |
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[ $? -ne 0 -a -z "$_b" ] && _b="$_default" |
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if [ -n "$_b" ]; then |
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[ $_b = "0" ] && return 1 |
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[ $_b = "no" ] && return 1 |
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[ $_b = "off" ] && return 1 |
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fi |
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return 0 |
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} |
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exec >/dev/console 2>&1 |
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set -x |
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export PATH=/sbin:/bin:/usr/sbin:/usr/bin |
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strstr() { [ "${1##*"$2"*}" != "$1" ]; } |
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strglobin() { [ -n "$1" -a -z "${1##*$2*}" ]; } |
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CMDLINE=$(while read line || [ -n "$line" ]; do echo $line;done < /proc/cmdline) |
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export TERM=linux |
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export PS1='initramfs-test:\w\$ ' |
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stty sane |
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echo "made it to the rootfs! Powering down." |
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for i in /sys/class/net/*/ |
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do |
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# booting with network-manager module |
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state=/run/NetworkManager/devices/$(cat $i/ifindex) |
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grep -q connection-uuid= $state 2>/dev/null || continue |
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i=${i##*/} |
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ip link show $i |grep -q master && continue |
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IFACES+="$i " |
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done |
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for i in /run/initramfs/net.*.did-setup; do |
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# booting with network-legacy module |
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[ -f "$i" ] || continue |
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strglobin "$i" ":*:*:*:*:" && continue |
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i=${i%.did-setup} |
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IFACES+="${i##*/net.} " |
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done |
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{ |
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echo "OK" |
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echo "$IFACES" |
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} > /dev/sda |
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getargbool 0 rd.shell && sh -i |
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poweroff -f
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