#!/bin/sh -e

build_format_if_format_exists ()
{
    v=`kpsewhich -var-value TEXMFSYSVAR` || return 0
    c=`kpsewhich -var-value TEXMFSYSCONFIG` || return 0
    TEXMFVAR="$v"
    TEXMFCONFIG="$c"
    export TEXMFVAR TEXMFCONFIG
    if kpsewhich --format='web2c files' fmtutil.cnf > /dev/null 2>&1 ; then
    	fmtcnffile=`kpsewhich --format='web2c files' fmtutil.cnf`
    else
    	return 0
    fi
    X=`cat $fmtcnffile | grep "^$2[[:space:]]" || true`
    if [ ! "X$X" = "X" ] ; then
        if [ "X$1" = "X--byhyphen" ] ; then
	    build_format --byhyphen $3
	else
            build_format $1 $2
	fi
    fi
}

build_format ()
{
    tempfile=`mktemp -p /tmp fmtutil.XXXXXXXX`
    echo -n "Building format(s) $1 `basename "$2"`. This may take some time. ..."
    if fmtutil-sys $1 $2 > $tempfile 2>&1 ; then
        rm -f $tempfile
	echo " done."
    else
        echo
	echo "fmtutil-sys failed. Output has been stored in"
	echo "$tempfile"
	echo "Please include this file if you report a bug."
	echo
	exit 1
    fi
}

update_lsr_files ()
{
    tempfile=`mktemp -p /tmp mktexlsr.XXXXXXXX`
    echo -n "Running mktexlsr. This may take some time. ..."
    if mktexlsr /usr/share/texmf /var/lib/texmf > $tempfile 2>&1 ; then
         rm -f $tempfile
	 echo " done."
    else
          echo
	  echo "mktexlsr failed. Output has been stored in"
	  echo "$tempfile"
	  echo "Please include this file if you report a bug."
	  echo
	  exit 1
    fi
}

# common.functions end
case "$1" in
    configure|abort-upgrade|abort-remove|abort-deconfigure)
	#
	# update-fmtutil checks for /etc/texmf/fmt.d/00tex.cnf which
	# may not be present, also the update-fmtutil is already
	# present (config files are installed at config time!)
	# So we have to check for the existence of this file
	# before we can call update-fmtutil
	#if [ -r /etc/texmf/fmt.d/00tex.cnf ] ; then
	    if which update-fmtutil > /dev/null ; then update-fmtutil --quiet ; fi
	#fi
	if which mktexlsr >/dev/null; then update_lsr_files; fi
	# tetex might be unpacked but not configured, we have to check
	# whether /etc/texmf/texmf.cnf already exists. The following check
	# does two things: 1) check whether libkpathsea is configured, and
	# 2) whether tex-common is configured.
	if kpsewhich texmf.cnf > /dev/null 2>&1 ; then 
	    build_format_if_format_exists --byfmt texinfo
	fi
	;;
    *)
    	echo "postinst called with unknown argument \`$1'" >&2
	exit 1
    ;;
esac

#DEBHELPER#