#!/bin/rc
#
# command: /bin/boddle /n/juke/plan_9/sys/src/cmd/tar.c /sys/src/cmd/tar.c
# srcdir: /n/juke/plan_9/sys/src/cmd
# version: 817699203
# date: Wed Nov 29 21:40:03 EST 1995
#
myname=$0
doextract=no

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

fn sigint{
	rm -rf 817699203
	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 817699203 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 817699203
mkdir 817699203

target=817699203/tar.c
echo -n '817699203/tar.c: '
if(! test -f $srcdir/tar.c || ! test -r $srcdir/tar.c){
	echo $srcdir/tar.c unreadable
	exit unreadable
}
sum=`{sum < $srcdir/tar.c}
if(! ~ 6b52f89912614  $sum(1)^$sum(2)){
	echo $srcdir/tar.c is not the original distribution file
	exit original
}
cp $srcdir/tar.c 817699203/tar.c
ed 817699203/tar.c >/dev/null >[2=1] <<'//GO.SYSIN DD VADIM tar.c'
504c
		i += *cp & 0xff;
.
472c
					fprint(2, "tar: mkdir %s failed: %r\n", name);
				close(f);
.
470d
202a
		if(cd && chdir(cwd) < 0) {
			fprint(2, "tar: can't cd back to %s: %r\n", cwd);
			exits("cwd");
		}
.
200a
			cd = 1;
.
192a
		cd = 0;
.
189a
			cwd = *argv;
.
175a
	if (getwd(cwdbuf, sizeof(cwdbuf)) == 0) {
		fprint(2, "tar: can't find current directory: %s\n", cwdbuf);
		exits("cwd");
	}
	cwd = cwdbuf;

.
174a
	int cd;
.
173a
	char cwdbuf[2048], *cwd;
.
wq
//GO.SYSIN DD VADIM tar.c
sum=`{sum < 817699203/tar.c}
if(~ 40c88e9c12942  $sum(1)^$sum(2))
	echo
if not{
	echo 817699203/tar.c checksum error creating updated file
	exit checksum
}