#!/bin/sh# SPDX-License-Identifier: GPL-2.0+## Compares .out and .out.new files for each name on standard input,# one full pathname per line.  Outputs comparison results followed by# a summary.## sh cmplitmushist.sh T=/tmp/cmplitmushist.sh.$$trap 'rm -rf $T' 0mkdir $T # comparetest oldpath newpathbadmacnam=0timedout=0perfect=0obsline=0noobsline=0obsresult=0badcompare=0comparetest () {	if grep -q ': Unknown macro ' $1 || grep -q ': Unknown macro ' $2	then		if grep -q ': Unknown macro ' $1		then			badname=`grep ': Unknown macro ' $1 |				sed -e 's/^.*: Unknown macro //' |				sed -e 's/ (User error).*$//'`			echo 'Current LKMM version does not know "'$badname'"' $1		fi		if grep -q ': Unknown macro ' $2		then			badname=`grep ': Unknown macro ' $2 |				sed -e 's/^.*: Unknown macro //' |				sed -e 's/ (User error).*$//'`			echo 'Current LKMM version does not know "'$badname'"' $2		fi		badmacnam=`expr "$badmacnam" + 1`		return 0	elif grep -q '^Command exited with non-zero status 124' $1 ||	     grep -q '^Command exited with non-zero status 124' $2	then		if grep -q '^Command exited with non-zero status 124' $1 &&		   grep -q '^Command exited with non-zero status 124' $2		then			echo Both runs timed out: $2		elif grep -q '^Command exited with non-zero status 124' $1		then			echo Old run timed out: $2		elif grep -q '^Command exited with non-zero status 124' $2		then			echo New run timed out: $2		fi		timedout=`expr "$timedout" + 1`		return 0	fi	grep -v 'maxresident)k\|minor)pagefaults\|^Time' $1 > $T/oldout	grep -v 'maxresident)k\|minor)pagefaults\|^Time' $2 > $T/newout	if cmp -s $T/oldout $T/newout && grep -q '^Observation' $1	then		echo Exact output match: $2		perfect=`expr "$perfect" + 1`		return 0	fi 	grep '^Observation' $1 > $T/oldout	grep '^Observation' $2 > $T/newout	if test -s $T/oldout -o -s $T/newout	then		if cmp -s $T/oldout $T/newout		then			echo Matching Observation result and counts: $2			obsline=`expr "$obsline" + 1`			return 0		fi	else		echo Missing Observation line "(e.g., syntax error)": $2		noobsline=`expr "$noobsline" + 1`		return 0	fi 	grep '^Observation' $1 | awk '{ print $3 }' > $T/oldout	grep '^Observation' $2 | awk '{ print $3 }' > $T/newout	if cmp -s $T/oldout $T/newout	then		echo Matching Observation Always/Sometimes/Never result: $2		obsresult=`expr "$obsresult" + 1`		return 0	fi	echo ' !!!' Result changed: $2	badcompare=`expr "$badcompare" + 1`	return 1} sed -e 's/^.*$/comparetest &.out &.out.new/' > $T/cmpscript. $T/cmpscript > $T/cmpscript.outcat $T/cmpscript.out echo ' ---' Summary: 1>&2grep '!!!' $T/cmpscript.out 1>&2if test "$perfect" -ne 0then	echo Exact output matches: $perfect 1>&2fiif test "$obsline" -ne 0then	echo Matching Observation result and counts: $obsline 1>&2fiif test "$noobsline" -ne 0then	echo Missing Observation line "(e.g., syntax error)": $noobsline 1>&2fiif test "$obsresult" -ne 0then	echo Matching Observation Always/Sometimes/Never result: $obsresult 1>&2fiif test "$timedout" -ne 0then	echo "!!!" Timed out: $timedout 1>&2fiif test "$badmacnam" -ne 0then	echo "!!!" Unknown primitive: $badmacnam 1>&2fiif test "$badcompare" -ne 0then	echo "!!!" Result changed: $badcompare 1>&2	exit 1fi exit 0