#!/bin/rc
#
# command: /bin/boddle /n/juke/plan_9/sys/src/cmd/tweak.c /n/dump/1995/0717/sys/src/cmd
# srcdir: /n/juke/plan_9/sys/src/cmd
# version: 811705677
# date: Thu Sep 21 13:47:57 EDT 1995
#
myname=$0
doextract=no

fn usage{
	echo $myname: usage: $myname '[-X] [src-directory]' >[1=2]
	exit usage
}

fn sigint{
	rm -rf 811705677
	exit interrupt
}

while(~ $1 -*){
	switch($1){
	case -X
		doextract=yes
	case -*
		usage
	}
	shift
}

switch($#*){
case 0
	srcdir=/sys/src/cmd
case 1
	srcdir=$1
case *
	usage
}

if(! ~ $doextract yes){
	echo This shell file contains a bundle of diffs representing changes
	echo to original source files in the Plan 9 distribution. It will run
	echo against the files in
	echo ' ' $srcdir
	echo '(unless overridden by the optional source directory argument)'
	echo and create a directory 811705677 containing the updated files.
	echo It will NOT automatically update the original files.
	echo
	echo Invoke with argument -X to perform the actual extraction.
	exit 0
}

rm -rf 811705677
mkdir 811705677

target=811705677/tweak.c
echo -n '811705677/tweak.c: '
if(! test -f $srcdir/tweak.c || ! test -r $srcdir/tweak.c){
	echo $srcdir/tweak.c unreadable
	exit unreadable
}
sum=`{sum < $srcdir/tweak.c}
if(! ~ ee309dfd34711  $sum(1)^$sum(2)){
	echo $srcdir/tweak.c is not the original distribution file
	exit original
}
cp $srcdir/tweak.c 811705677/tweak.c
ed 811705677/tweak.c >/dev/null >[2=1] <<'//GO.SYSIN DD VADIM tweak.c'
861a
				nt->s->info = 0;	/* prevent it being freed */
.
858a
					bfree(b);
.
wq
//GO.SYSIN DD VADIM tweak.c
sum=`{sum < 811705677/tweak.c}
if(~ 6444075f34776  $sum(1)^$sum(2))
	echo
if not{
	echo 811705677/tweak.c checksum error creating updated file
	exit checksum
}