1#!/bin/sh 2# SPDX-License-Identifier: GPL-2.0-only 3 4# bootconfig utility functions 5 6XBC_TMPFILE= 7XBC_BASEDIR=`dirname $0` 8BOOTCONFIG=${BOOTCONFIG:=$XBC_BASEDIR/../bootconfig} 9if [ ! -x "$BOOTCONFIG" ]; then 10 BOOTCONFIG=`which bootconfig` 11 if [ -z "$BOOTCONFIG" ]; then 12 echo "Erorr: bootconfig command is not found" 1>&2 13 exit 1 14 fi 15fi 16 17xbc_cleanup() { 18 if [ "$XBC_TMPFILE" ]; then 19 rm -f "$XBC_TMPFILE" 20 fi 21} 22 23xbc_init() { # bootconfig-file 24 xbc_cleanup 25 XBC_TMPFILE=`mktemp bconf-XXXX` 26 trap xbc_cleanup EXIT TERM 27 28 $BOOTCONFIG -l $1 > $XBC_TMPFILE || exit 1 29} 30 31nr_args() { # args 32 echo $# 33} 34 35xbc_get_val() { # key [maxnum] 36 if [ "$2" ]; then 37 MAXOPT="-L $2" 38 fi 39 grep "^$1 =" $XBC_TMPFILE | cut -d= -f2- | \ 40 sed -e 's/", /" /g' -e "s/',/' /g" | \ 41 xargs $MAXOPT -n 1 echo 42} 43 44xbc_has_key() { # key 45 grep -q "^$1 =" $XBC_TMPFILE 46} 47 48xbc_has_branch() { # prefix-key 49 grep -q "^$1" $XBC_TMPFILE 50} 51 52xbc_subkeys() { # prefix-key depth 53 __keys=`echo $1 | sed "s/\./ /g"` 54 __s=`nr_args $__keys` 55 grep "^$1" $XBC_TMPFILE | cut -d= -f1| cut -d. -f$((__s + 1))-$((__s + $2)) | uniq 56} 57