1*4882a593Smuzhiyun#!/bin/sh 2*4882a593Smuzhiyun# SPDX-License-Identifier: GPL-2.0-only 3*4882a593Smuzhiyun 4*4882a593Smuzhiyun# bootconfig utility functions 5*4882a593Smuzhiyun 6*4882a593SmuzhiyunXBC_TMPFILE= 7*4882a593SmuzhiyunXBC_BASEDIR=`dirname $0` 8*4882a593SmuzhiyunBOOTCONFIG=${BOOTCONFIG:=$XBC_BASEDIR/../bootconfig} 9*4882a593Smuzhiyunif [ ! -x "$BOOTCONFIG" ]; then 10*4882a593Smuzhiyun BOOTCONFIG=`which bootconfig` 11*4882a593Smuzhiyun if [ -z "$BOOTCONFIG" ]; then 12*4882a593Smuzhiyun echo "Erorr: bootconfig command is not found" 1>&2 13*4882a593Smuzhiyun exit 1 14*4882a593Smuzhiyun fi 15*4882a593Smuzhiyunfi 16*4882a593Smuzhiyun 17*4882a593Smuzhiyunxbc_cleanup() { 18*4882a593Smuzhiyun if [ "$XBC_TMPFILE" ]; then 19*4882a593Smuzhiyun rm -f "$XBC_TMPFILE" 20*4882a593Smuzhiyun fi 21*4882a593Smuzhiyun} 22*4882a593Smuzhiyun 23*4882a593Smuzhiyunxbc_init() { # bootconfig-file 24*4882a593Smuzhiyun xbc_cleanup 25*4882a593Smuzhiyun XBC_TMPFILE=`mktemp bconf-XXXX` 26*4882a593Smuzhiyun trap xbc_cleanup EXIT TERM 27*4882a593Smuzhiyun 28*4882a593Smuzhiyun $BOOTCONFIG -l $1 > $XBC_TMPFILE || exit 1 29*4882a593Smuzhiyun} 30*4882a593Smuzhiyun 31*4882a593Smuzhiyunnr_args() { # args 32*4882a593Smuzhiyun echo $# 33*4882a593Smuzhiyun} 34*4882a593Smuzhiyun 35*4882a593Smuzhiyunxbc_get_val() { # key [maxnum] 36*4882a593Smuzhiyun if [ "$2" ]; then 37*4882a593Smuzhiyun MAXOPT="-L $2" 38*4882a593Smuzhiyun fi 39*4882a593Smuzhiyun grep "^$1 =" $XBC_TMPFILE | cut -d= -f2- | \ 40*4882a593Smuzhiyun sed -e 's/", /" /g' -e "s/',/' /g" | \ 41*4882a593Smuzhiyun xargs $MAXOPT -n 1 echo 42*4882a593Smuzhiyun} 43*4882a593Smuzhiyun 44*4882a593Smuzhiyunxbc_has_key() { # key 45*4882a593Smuzhiyun grep -q "^$1 =" $XBC_TMPFILE 46*4882a593Smuzhiyun} 47*4882a593Smuzhiyun 48*4882a593Smuzhiyunxbc_has_branch() { # prefix-key 49*4882a593Smuzhiyun grep -q "^$1" $XBC_TMPFILE 50*4882a593Smuzhiyun} 51*4882a593Smuzhiyun 52*4882a593Smuzhiyunxbc_subkeys() { # prefix-key depth 53*4882a593Smuzhiyun __keys=`echo $1 | sed "s/\./ /g"` 54*4882a593Smuzhiyun __s=`nr_args $__keys` 55*4882a593Smuzhiyun grep "^$1" $XBC_TMPFILE | cut -d= -f1| cut -d. -f$((__s + 1))-$((__s + $2)) | uniq 56*4882a593Smuzhiyun} 57