#! /bin/sh
:
#$Id: digest,v 1.27 1999/11/22 05:40:48 guenther Exp $

test=test		# /bin/test
echo=echo		# /bin/echo
ls=ls			# /bin/ls
awk=awk			# /usr/bin/awk
cat=cat			# /bin/cat
date=date		# /bin/date
rm=rm			# /bin/rm
sed=sed			# /bin/sed
expr=expr		# /bin/expr
formail=formail		# /usr/local/bin/formail

$test -z "$listaddr" &&
 $echo "Don't start this script directly, it is used in rc.submit" && exit 64

tmprequest=tmp.request
tmpfrom=tmp.from

digestheader=archive/latest/digest.header
digestadmin=digest.admin
digestadmin2=archive/latest/$digestadmin
digestbody=archive/latest/digest.body
digesttrailer=archive/latest/digest.trailer

if $test -z "$alt_sendmail"
then
  $echo "$digest_age $digest_size $archive_hist $UMASK
$SENDMAIL $sendmailOPT $listdist" >.digest.params
else
  $echo "$digest_age $digest_size $archive_hist $UMASK
$alt_sendmail $SENDMAIL $sendmailOPT $sendmailOPTi" >.digest.params
fi

$awk '
BEGIN					{ lines=0;mode=0; }
					{ mtch=0; }
/^$/					{ mtch=1; }
/^[	 ][	 ]*$/			{ mtch=2; }
/^------------------------------$/	{ mtch=3; }
/^--------------------------------$/	{ mtch=4; }
/^\.$/					{ mtch=5; }
{ if(mode==0)
   { print($0) >"'$tmpfrom'";
     if(mtch==1)
	mode=1;
     next;
   }
  if(mode==1 && mtch)
     next;
  mode=2;
  if(mtch==1)
   { ++lines;next;
   }
  while(lines)
   { print("");--lines;
   }
  if(mtch==3)
     print("- ----------------------------");
  else if(mtch==4)
     print("- ------------------------------");
  else if(mtch==5)
     printf(" .");
  else
     print($0);
}
' >$tmprequest

$test -f $digestbody && flush_digests -c

$cat >>$digestbody <<HERE
------------------------------

HERE

for a in Date From To Cc Subject Message-ID Keywords Summary
do
  b=`$formail -X $a: -a"Subject: Unidentified subject!" <$tmpfrom`
  if $test ! -z "$b"
  then
     $echo "$b" >>$digestbody
  fi
done

$formail -X Content- <$tmpfrom >>$digestbody

$echo "" >>$digestbody
$cat $tmprequest >>$digestbody
$echo "" >>$digestbody

if $test ! -f $digesttrailer
then
  Year=`LANG='' LC_TIME='' LC_ALL=''$date +%y 2>&1`
  case "$Year" in
     ????|9?) ;;
     *) Year=`LANG='' LC_TIME='' LC_ALL='' $date +%Y 2>&1`
	case "$Year" in
	   ????) ;;
	   *) Year=`set \`$date\`; echo $6` ;;	# for the POSIX deprived
	esac;;
  esac
  Issue=0

  if $test -f $digestheader
  then
     set dummy `$sed -n \
      -e '1,/^$/ s/^Subject:.*Digest V\([0-9]*\) #\([0-9]*\)/\1 \2/p' \
      <$digestheader`
     $test $Year = "$2" && Issue=$3
  fi

  Issue=`$expr 1 + $Issue`

  $cat >$digestheader <<HERE
From: $listreq
Subject: $list Digest V$Year #$Issue
X-Loop: $listaddr
X-Mailing-List: <$listaddr> archive/volume$Year/$Issue
Precedence: list
MIME-Version: 1.0
Content-Type: multipart/digest; boundary="----------------------------"
To: $listaddr${reply_to+
}${reply_to-${undigested_list+
Reply-To: }$undigested_list}

------------------------------

Content-Type: text/plain

$list Digest				Volume $Year : Issue $Issue

Today's Topics:
HERE

  $cat >$digesttrailer <<HERE
--------------------------------
End of $list Digest V$Year Issue #$Issue
HERE
  b=`$sed -n -e '$ s/./*/gp' <$digesttrailer`
  $echo "$b" >>$digesttrailer
fi

$echo  "  `$formail -czxSubject: -a'Subject: Unidentified subject!' <$tmpfrom |
 $sed -e 's/[	 ][	 ]*/ /g' \
 -e 's/$/\
       \
       \
       \
       \
       \
 /' -e 's/^\(....................................\).*/\1/'
 `  [ `
 $formail -czx From: <$tmpfrom | $sed -e 's/[	 ][	 ]*/ /g' \
      -e 's/^\(...................................\).*/\1/'
 ` ]" >>$digestheader
: >$tmprequest 2>$tmpfrom

#
# Check again, maybe we exceed the time or size limits now already.
#

flush_digests -c
exit 0