#!/bin/sh

set -e

. /usr/share/debconf/confmodule
CONFFILE=/etc/default/durep-rolling
STORAGE=/usr/share/durep/www
SCANDIR=/var/lib/durep

# source debconf library
#export DEBCONF_DEBUG=developer

# sanity check, insert item if not present
grep "^HTTPFILEROOT=" $CONFFILE >/dev/null 2>&1 || \
cat <<-STOP  >> $CONFFILE

	# where web content is located
	HTTPFILEROOT=""'
STOP

# install files in web root
if [ "$1" = "configure" ]; then
   db_get durep/httpfileroot || RET=""
   if [ -n "$RET" -a -d "$RET" ] ; then
      sed -i -e "s,^HTTPFILEROOT=.*,HTTPFILEROOT=\"$RET\"," $CONFFILE
      install -d $RET/durep
      [ -s $RET/durep/www/bar.png ] || \
         install $STORAGE/bar.png $RET/durep/
      [ -s $RET/durep/www/style.css ] || \
         install $STORAGE/style.css $RET/durep/
   else
      sed -i -e "s,^HTTPFILEROOT=.*,HTTPFILEROOT=\"\"," $CONFFILE
   fi
fi

# override setgid-bit to enable the webserver to read scanned content
if [ "$1" = "configure" ]; then
   if ! dpkg-statoverride --list $SCANDIR > /dev/null 2>&1; then
      dpkg-statoverride --update --add root www-data 2755 $SCANDIR
   fi
fi

if test "$1" = "configure" && ! test -e $CONFFILE.no-debconf-changes ; then
   # sanity check
   grep "^FILESYSTEMS=" $CONFFILE >/dev/null 2>&1 || echo 'FILESYSTEMS=""' >> $CONFFILE

   db_get durep/makereports || RET=false
   if [ "$RET" = true ] ; then
      db_get durep/filesystems || RET=""
      if [ -n "$RET" ] ; then
         perl -pe "s!^FILESYSTEMS=.*!FILESYSTEMS=\"$RET\"!" -i $CONFFILE
      fi
   else
      perl -pe "s!^FILESYSTEMS=.*!FILESYSTEMS=\"\"!" -i $CONFFILE
   fi
fi

rm -f $CONFFILE.no-debconf-changes

#   perl -pe "s/^FILESYSTEMS=.*/FILESYSTEMS=\"$RET\"\n/"
#   test -r /etc/default/durep-rolling && . /etc/default/durep-rolling
#
#   test -n "$FILESYSTEMS" && RET="$FILESYSTEMS"
#