#!/bin/sh# SPDX-License-Identifier: GPL-2.0-only # common_tests - Shell script commonly used by pstore test scripts## Copyright (C) Hitachi Ltd., 2015#  Written by Hiraku Toyooka <hiraku.toyooka.gu@hitachi.com># # Utilitieserrexit() { # message    echo "Error: $1" 1>&2    exit 1} absdir() { # file_path    (cd `dirname $1`; pwd)} show_result() { # result_value    if [ $1 -eq 0 ]; then	prlog "ok"    else	prlog "FAIL"	rc=1    fi} check_files_exist() { # type of pstorefs file    if [ -e ${1}-${backend}-0 ]; then	prlog "ok"	for f in `ls ${1}-${backend}-*`; do            prlog -e "\t${f}"	done    else	prlog "FAIL"	rc=1    fi} operate_files() { # tested value, files, operation    if [ $1 -eq 0 ]; then	prlog	for f in $2; do	    prlog -ne "\t${f} ... "	    # execute operation	    $3 $f	    show_result $?	done    else	prlog " ... FAIL"	rc=1    fi} # ParametersTEST_STRING_PATTERN="Testing pstore: uuid="UUID=`cat /proc/sys/kernel/random/uuid`TOP_DIR=`absdir $0`LOG_DIR=$TOP_DIR/logs/`date +%Y%m%d-%H%M%S`_${UUID}/REBOOT_FLAG=$TOP_DIR/reboot_flag # Preparing logsLOG_FILE=$LOG_DIR/`basename $0`.logmkdir -p $LOG_DIR || errexit "Failed to make a log directory: $LOG_DIR"date > $LOG_FILEprlog() { # messages    /bin/echo "$@" | tee -a $LOG_FILE} # Starting testsrc=0prlog "=== Pstore unit tests (`basename $0`) ==="prlog "UUID="$UUID prlog -n "Checking pstore backend is registered ... "backend=`cat /sys/module/pstore/parameters/backend`show_result $?prlog -e "\tbackend=${backend}"prlog -e "\tcmdline=`cat /proc/cmdline`"if [ $rc -ne 0 ]; then    exit 1fi