#!/bin/sh

set -e

# catalog info based on dsssl/catalog

CAT=/etc/sgml.catalog
# the _FIX makes it actually put in the dsssl.cat instead of the davenport one
SIG="9ed965b566274159f9ea7c7feb9cc48c_FIX"
SBEG="-- SGML BEGIN dsssl.cat"
SEND="-- SGML END dsssl.cat"
SIGNBEG="$SBEG $SIG --"
SIGNEND="$SEND $SIG --"

# *always* ditch the old crufty entries.
if grep -q "^$SBEG" $CAT && grep -q "^$SEND" $CAT; then
    echo "Cleaning out DSSSL DTD entries from $CAT on $1."
    sed -e "/$SBEG/,/$SEND/d" < $CAT > ${CAT}.new
    mv ${CAT}.new ${CAT}
else
    if grep -q "fot.dtd" $CAT && \
       grep -q "dsssl.dtd" $CAT && \
       grep -q "style-sheet.dtd" $CAT
    then
	echo "Untagged entries found, cleaning"
	grep -v "fot.dtd" < $CAT | \
	  grep -v "dsssl.dtd" | \
	  grep -v "style-sheet.dtd" > ${CAT}.new
	mv ${CAT}.new ${CAT}
    fi
fi