#!/bin/bash
# $Id$

set -e

# From common/common-functions
# VT100 colors
declare -r  BLACK=$'\e[1;30m'
declare -r  DK_GRAY=$'\e[0;30m'

declare -r  RED=$'\e[31m'
declare -r  GREEN=$'\e[32m'
declare -r  YELLOW=$'\e[33m'
declare -r  BLUE=$'\e[34m'
declare -r  MAGENTA=$'\e[35m'
declare -r  CYAN=$'\e[36m'
declare -r  WHITE=$'\e[37m'

declare -r  OFF=$'\e[0m'
declare -r  BOLD=$'\e[1m'
declare -r  REVERSE=$'\e[7m'
declare -r  HIDDEN=$'\e[8m'

declare -r  tab_=$'\t'
declare -r  nl_=$'\n'

declare -r   DD_BORDER="${BOLD}==============================================================================${OFF}"
declare -r   SD_BORDER="${BOLD}------------------------------------------------------------------------------${OFF}"
declare -r STAR_BORDER="${BOLD}******************************************************************************${OFF}"

# bold yellow > <  pair
declare -r R_arrow=$'\e[1;33m>\e[0m'
declare -r L_arrow=$'\e[1;33m<\e[0m'


#>>>>>>>>>>>>>>>ERROR TRAPPING >>>>>>>>>>>>>>>>>>>>
#-----------------------#
simple_error() {        # Basic error trap.... JUST DIE
#-----------------------#
  # If +e then disable text output
  if [[ "$-" =~ "e" ]]; then
    echo -e "\n${RED}ERROR:${GREEN} basic error trapped!${OFF}\n" >&2
  fi
}

see_ya() {
    echo -e "\n${L_arrow}${BOLD}jhalfs 2.0${R_arrow} exit${OFF}\n"
}
##### Simple error TRAPS
# ctrl-c   SIGINT
# ctrl-y
# ctrl-z   SIGTSTP
# SIGHUP   1 HANGUP
# SIGINT   2 INTRERRUPT FROM KEYBOARD Ctrl-C
# SIGQUIT  3
# SIGKILL  9 KILL
# SIGTERM 15 TERMINATION
# SIGSTOP 17,18,23 STOP THE PROCESS
#####
set -e
trap see_ya 0
trap simple_error ERR
trap 'echo -e "\n\n${RED}INTERRUPT${OFF} trapped\n" &&  exit 2'  1 2 3 15 17 18 23
#>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>

# envars not sourced from configuration file
COMMON_DIR="common"
VERBOSITY=1

[[ $VERBOSITY > 0 ]] && echo -n "Loading config params from <configuration>..."
source configuration
[[ $? > 0 ]] && echo "file:configuration did not load.." && exit 1
[[ $VERBOSITY > 0 ]] && echo "OK"

[[ $VERBOSITY > 0 ]] && echo -n "Loading function <func_check_version.sh>..."
source $COMMON_DIR/func_check_version.sh
[[ $? > 0 ]] && echo " function module did not load.." && exit 2
[[ $VERBOSITY > 0 ]] && echo "OK"

[[ $VERBOSITY > 0 ]] && echo -n "Loading function <func_validate_configs.sh>..."
source $COMMON_DIR/func_validate_configs.sh
[[ $? > 0 ]] && echo " function module did not load.." && exit 2
[[ $VERBOSITY > 0 ]] && echo "OK"
[[ $VERBOSITY > 0 ]] && echo "${SD_BORDER}${nl_}"

# Be sure that we have a configuration file
[[ -z $BOOK_BLFS ]] && echo -e "\nNo BLFS configuration found. Please configure it." && exit 1

# Set default book version
BRANCH_ID=${BRANCH_ID:=development}

# Set the SVN tree
case $BRANCH_ID in
  development )  TREE=trunk/BOOK ;;
       *EDIT* )  echo " You forgot to set the branch or stable book version."
                 echo " Please rerun make and fix the configuration."
                 exit 2 ;;
     branch-* )  TREE=branches/${BRANCH_ID#branch-}/BOOK ;;
            * )  TREE=tags/${BRANCH_ID}/BOOK ;;
esac

# Check for minimun dependencies versions
xsltprocVer=`xsltproc -V | head -n1 `
  libxmlVer=$(echo $xsltprocVer | cut -d " " -f3)
 libxsltVer=$(echo $xsltprocVer | cut -d " " -f5)
    tidyVer=`tidy -V | cut -d " " -f9`

  # Version numbers are packed strings not xx.yy.zz format.
check_version "2.06.20"  "${libxmlVer:0:1}.${libxmlVer:1:2}.${libxmlVer:3:2}"     "LIBXML2"
check_version "1.01.14"  "${libxsltVer:0:1}.${libxsltVer:1:2}.${libxsltVer:3:2}"  "LIBXSLT"
check_version "2004"     "${tidyVer}"                                             "TIDY"

XML_FILE="<?xml version='1.0' encoding='ISO-8859-1'?>
<?xml-stylesheet type='text/xsl' href='http://docbook.sourceforge.net/release/xsl/1.69.1/xhtml/docbook.xsl'?>
<!DOCTYPE article PUBLIC '-//OASIS//DTD DocBook XML V4.4//EN'
  'http://www.oasis-open.org/docbook/xml/4.4/docbookx.dtd'>
<article>
  <title>Test file</title>
  <sect1>
    <title>Some title</title>
    <para>Some text</para>
  </sect1>
</article>"

if `echo $XML_FILE | xmllint -noout -postvalid - 2>/dev/null` ; then
  check_version "4.4" "4.4" "DocBook XML DTD"
else
  echo "Warning: not found a working DocBook XML DTD 4.4 installation"
  exit 2
fi

if `echo $XML_FILE | xsltproc --noout - 2>/dev/null` ; then
  check_version "1.69.1" "1.69.1" "DocBook XSL"
else
  echo "Warning: not found a working DocBook XSL 1.69.1 installation"
  exit 2
fi

echo "${SD_BORDER}${nl_}"

# For consistency with other books
validate_config
echo "${SD_BORDER}${nl_}"
echo -n "Are you happy with these settings? yes/no (no): "
read ANSWER
if [ x$ANSWER != "xyes" ] ; then
  echo "${nl_}Rerun make to fix the configuration options.${nl_}"
  exit 1
fi
echo "${nl_}${SD_BORDER}${nl_}"

# Install the files
[[ ! -d $BLFS_ROOT ]] && mkdir -p $BLFS_ROOT

cp -r BLFS/* $BLFS_ROOT
cp -r menu $BLFS_ROOT
cp $COMMON_DIR/progress_bar.sh $BLFS_ROOT
cp README.BLFS $BLFS_ROOT

# Start the work
cd $BLFS_ROOT

# Clean-up
rm -rf libs/.svn
rm -rf menu/.svn
rm -rf menu/lxdialog/.svn


# Set some harcoded envars to their proper values
sed -i 's,blfs-xml,'$BLFS_XML',' update_book.sh libs/book.xsl
sed -i 's,tracking-dir,'$TRACKING_DIR',' update_book.sh gen-makefile.sh

# Fetch book sources and create packages and meta-packages dependencies files
if [[ -d $BLFS_XML ]] ; then
  ./update_book.sh
else
  ./update_book.sh get $BLFS_XML $TREE
fi

# Run the menuconfig interface
make