#!/bin/bash
#
# mkbuild: SlackBuild script maker
# feedback: rudsonaalves at yahoo.com.br
#
#  mkbuild is free software; you can redistribute it and/or modify it under the
#  terms of the GNU General Public License as published by the Free Software
#  Foundation; either version 2 of the License, or any later version.
#
#  mkbuild is distributed in the hope that it will be useful, but WITHOUT ANY
#  WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
#  A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
#
#  You should have received a copy of the GNU General Public License along with
#  this program; if not, write to the Free Software Foundation, Inc., 59 Temple
#  Place - Suite 330, Boston, MA 02111-1307, USA
#
# Based in model generic.SlackBuild from Luis
# Version $Rev$ - $Author$
#

#--------------------------------------------------------------------
# Functions
#--------------------------------------------------------------------

function mkbuild_use {

  # mkbuild help function
  echo -e "${red}NAME${normal}
        mkbuild - create SlackBuild script from ${green}.mkbuild${normal} input file

${red}SYNOPSIS
        mkbuild${normal} [${green}OPTIONS${normal}] [${green}mkbuild_file${normal}]

${red}DESCRIPTION${normal}
        [${green}mkbuild_file${normal}] input file with build rules and variables

        Input ${green}OPTIONS${normal}:
            ${red}-a${normal}, ${red}--author${normal} ${green}<author_name>${normal}
                author name
            ${red}-ai${normal}, ${red}--author_initials${normal} ${green}<initials>${normal}
                author signature
            ${red}-bn${normal}, ${red}--build-number${normal}
                change build number
            ${red}-cs${normal}, ${red}--const_string${normal} ${green}<string>${normal}
                construction string to source name
            ${red}-j${normal}, ${red}--jobs${normal} ${green}<jobs_number>${normal}
                Number of jobs to run simultaneously
            ${red}-md${normal}, ${red}--model${normal} ${green}<SlackBuild_model>${normal}
                SlackBuild model file
            ${red}-npss${normal}, ${red}--nps-strip${normal}
                Number of prefix slashes to strip
            ${red}-pf${normal}, ${red}--patch-files${normal}
                List of patch files
            ${red}-pn${normal}, ${red}--pkg_name${normal} ${green}<package_name>${normal}
                package name
            ${red}--prefix${normal} <install_dir>${normal}
                Prefix install directory
            ${red}-pv${normal}, ${red}--pkg_version${normal} ${green}<version>${normal}
                package version
            ${red}-sn${normal}, ${red}--src_name${normal} ${green}<source_name>${normal}
                source name
            ${red}-u${normal}, ${red}--url${normal} ${green}<url_address>${normal}
                url address to source

        Program options:
        ${red}-d${normal}, ${red}--debug${normal}
            enable debug mode
        ${red}-ss${normal}, ${red}--submit-slackbuild${normal}
            submit SlackBuilds in local svn SlackBuild tree
        ${red}-sm${normal}, ${red}--submit-mkbuild${normal}
            submit .mkbuild in local svn mkbuild tree
        ${red}-sa${normal}, ${red}--submit-all${normal}
            submit SlackBuild and .mkbuild files in local svn tree
        ${red}-cs${normal}, ${red}--commit-slackbuild${normal}
            commit SlackBuilds in svn SlackBuild tree
        ${red}-cm${normal}, ${red}--commit-mkbuild${normal}
            commit .mkbuild in svn mkbuild tree
        ${red}-ca${normal}, ${red}--commit-all${normal}
            commit SlackBuild and .mkbuild files in svn tree
        ${red}-h${normal}, ${red}--help${normal}
            this help mesage
        ${red}-n${normal}, ${red}--new${normal} ${green}<mkbuild_name>${normal}
            start a new mkbuild configure file
        ${red}-s${normal}, ${red}--search${normal} ${green}<mkbuild_name>${normal}
            search for a ${green}<mkbuild_name>${normal} file
        ${red}--sync${normal}
            synchronize mkbuilds repository
        ${red}-v${normal}, ${red}--version${normal}
            program version
        ${red}-V${normal}, ${red}--verbose${normal}
            print debug information

${red}EXAMPLES${normal}
        ${red}mkbuild -sa pyrex.mkbuild${normal}
            build pyrex.SlackBuild and submit .mkbuild and .SlackBuild in
            Slack.Sarava local tree.
        ${red}mkbuild -a \"Jose Araujo\" -ai \"ja\" -n pyrex${normal}
            make a basic pyrex.mkbuild with author name \"Jose Araujo\" and
            author signature \"ja\".
        ${red}mkbuild --prefix /usr/local pyrex.mkbuild${normal}
            build pyrex.SlackBuild with prefix /usr/local and pyrex.mkbuild
            variables and options definitions.

${red}AUTHOR${normal}
        Written by ${blue}Rudson R. Alves${normal}

${red}AVAILABILITY${normal}
        by svn: ${yellow}svn checkout http://slack.sarava.org/simplepkg${normal}

${red}REPORTING BUGS${normal}
        Report bugs to <${blue}rudsonaalves[at]rra.etc.br${normal}>

${red}COPYRIGHT${normal}
        Copyright © 2006 Free Software Foundation, Inc.
        This is free software. You may redistribute copies of it under the
        terms of the GNU General Public License
        <${yellow}http://www.gnu.org/licenses/gpl.html${normal}>. There is NO WARRANTY,
        to the extent permitted by law." | more
}

function set_parameters {

  # Get and set mkbuild variables with parameters input
  # Use: set_parameters $@
  #           where $@ are the parameters input
  #
  # Parameter evaluation
  ACTION="build"

  while [ "$1" ]; do
    case $1 in
      '-bn'|'--build-number')
        # Build Number
        BUILD_NUMBER=$2
        is_number $BUILD_NUMBER || handle_error "$ERROR_NOT_NUMBER" "--build-number"
        shift
      ;;
      '-ss'|'--submit-slackbuild')
        # Submit SlackBuild file
        SUBMIT_SLACKBUILD=$on
      ;;
      '-sm'|'--submit-mkbuild')
        # Submit mkbuild file
        SUBMIT_MKBUILD=$on
      ;;
      '-sa'|'--submit-all')
        # Submit SlackBuild and mkbuild file
        SUBMIT_SLACKBUILD=$on
        SUBMIT_MKBUILD=$on
      ;;
      '-cs'|'--commit-slackbuild')
        # Commit SlackBuild file
        ACTION="commit_slackbuild"
        shift
      ;;
      '-cm'|'--commit-mkbuild')
        # commit mkbuild file
        ACTION="commit_mkbuild"
        shift
      ;;
      '-ca'|'--commit-all')
        # Commit SlackBuild and mkbuild file
        ACTION="commit_all"
        shift
      ;;
      '-um'|'--update-manifest')
        ACTION="update_manifest"
        MKBUILD_NAME="${2//.mkbuild}.mkbuild"
        SOURCE_FILE="$3"
        shift 2
      ;;
      '-n'|'--new')
        # New mkbuild configure file
        MKBUILD_NAME="${2//.mkbuild}.mkbuild"
        [ ${MKBUILD_NAME:0:1} = "-" ] && handle_error $ERROR_MKBUILD_INPUT_PAR "--new <mkbuild_name>"
        ACTION="new"
        shift
      ;;
      '-s'|'--search')
        # Search for a mkbuild file
        MKBUILD_NAME="${2//.mkbuild}.mkbuild"
        [ ${MKBUILD_NAME:0:1} = "-" ] && handle_error $ERROR_MKBUILD_INPUT_PAR "--search <mkbuild_name>"
        ACTION='search'
      ;;
      '-d'|'--debug')
        # Debug mode
        set -x
      ;;
      '-h'|'--help' )
        # Show help mesage
        mkbuild_use && exit 0
      ;;
      '--sync' )
        # Synchronize mkbuilds repository
        sync_repo $MKBUILDS_DIR $MKBUILDS_SVN
        cd $WORK
      ;;
      '-v'|'--version')
        # Show program version
        eecho $normal "\n$BASENAME version $PROG_VERSION\n"
      ;;
      '-V' | '--verbose')
        # Enable verbose mode
        VERBOSE=1
      ;;
      '-a'|'--author')
        # Enter with author name
        AUTHOR=$2
        [ ${AUTHOR:0:1} = "-" ] && handle_error $ERROR_MKBUILD_INPUT_PAR AUTHOR
        shift
      ;;
      '-ai'|'--author_initials')
       # Enter with author name
       AUTHOR_INITIALS=$2
       [ ${AUTHOR_INITIALS:0:1} = "-" ] && handle_error $ERROR_MKBUILD_INPUT_PAR AUTHOR_INITIALS
       shift
      ;;
      '-cs'|'--const_string')
        # Enter with construction source name string
        CONST_STRING=$2
        [ ${CONST_STRING:0:1} = "-" ] && handle_error $ERROR_MKBUILD_INPUT_PAR CONST_STRING
        shift
      ;;
      '-md'|'--model')
        # Enter with SlackBuild model
        MODEL=$2
        [ ${MODEL:0:1} = "-" ] && handle_error $ERROR_MKBUILD_INPUT_PAR MODEL
        shift
      ;;
      '-j'|'--jobs')
        # Enter with SlackBuild model
        NUMJOBS=$2
        [ ${NUMJOBS:0:1} = "-" ] && handle_error $ERROR_MKBUILD_INPUT_PAR NUMJOBS
        ! is_number $NUMJOBS &&  handle_error $ERROR_NOT_NUMBER NUMJOBS
        NUMJOBS="-j$NUMJOBS"
        shift
      ;;
      '--prefix')
        # Enter with SlackBuild model
        PREFIX=$2
        [ ${PREFIX:0:1} = "-" ] && handle_error $ERROR_MKBUILD_INPUT_PAR PREFIX
        shift
      ;;
      '-pn'|'--pkg_name')
        # Enter with package name
        PKG_NAME=$2
        [ ${PKG_NAME:0:1} = "-" ] && handle_error $ERROR_MKBUILD_INPUT_PAR PKG_NAME
        shift
      ;;
      '-pv'|'pkg_version')
        # Enter with package version
        VERSION=$2
        [ ${VERSION:0:1} = "-" ] && handle_error $ERROR_MKBUILD_INPUT_PAR VERSION
        shift
      ;;
      '-sn'|'--src_name')
        # Enter with source name
        SRC_NAME=$2
        [ ${SRC_NAME:0:1} = '-' ] && handle_error $ERROR_MKBUILD_INPUT_PAR SRC_NAME
        shift
      ;;
      '-u'|'--url')
        # Enter with url address
        URL=$2
        [ ${URL:0:1} = '-' ] && handle_error $ERROR_MKBUILD_INPUT_PAR URL
        shift
      ;;
      '-pf'|'--patch-files')
        # Path files list
        PATCH_FILES=$2
        [ ${PATCH_FILES:0:1} = '-' ] && handle_error $ERROR_MKBUILD_INPUT_PAR PATCH_FILES
        shift
      ;;
      '-npss'|'--nps-strip')
        # Number of prefix slashes to strip
        NPS_STRIP=$2
        [ ${NPS_STRIP:0:1} = '-' ] && handle_error $ERROR_MKBUILD_INPUT_PAR NPS_STRIP
        shift
      ;;
      *)
        # mkbuild input file
        MKBUILD_NAME="${1//.mkbuild}.mkbuild"
      ;;
    esac
    shift
  done

  [ ! -e "$MKBUILD_NAME" -a "$ACTION" == "build" ] && ACTION='new'

}

function get_variable {

  # Get variable value from mkbuild file (MKBUILD_NAME)
  [ $# -ne 1 ] && handle_error $ERROR_PAR_NUMBER
  [ -z $MKBUILD_NAME ] && echo "Warning: no [mkbuild_file]." && return 0

  sed -n '1,/^#>>/ p' $MKBUILD_NAME | grep "^\[\[${1}\]\]" | cut -f2- -d= | sed -e 's/^"//' -e 's/"$//'

}

function edit_file {

  # Edit file  $3, by change string [[$1]] to $2
  [ $# -ne 3 ] && handle_error $ERROR_PAR_NUMBER

  eval "sed -i 's¦\[\[$1\]\]¦$2¦g' $3"

}

function edit_file_full {

  # Edit file  $3, by change string $1 to $2
  [ $# -ne 3 ] && handle_error $ERROR_PAR_NUMBER

  eval "sed -i 's¦$1¦$2¦' $3"

}

function start_build  {

  # Build initial sections
  [ $# -ne 1 ] && handle_error $ERROR_PAR_NUMBER

  edit_file "SLACKBUILD AUTHOR" "$AUTHOR" $1
  edit_file "SLACKBUILD AUTHOR INITIALS" "$AUTHOR_INITIALS" $1
  edit_file "SOURCE NAME" "$SRC_NAME" $1
  edit_file "PROGRAM NAME" "$PKG_NAME" $1
  edit_file "PACKAGE NAME" "$PKG_NAME" $1
  edit_file "DECOMPRESSOR" "$DECOMPRESSOR" $1
  edit_file "DECOMPRESSOR TEST FLAG" "$DECOMPRESSOR_TEST_FLAG" $1
  edit_file "PROGRAM URL" "$URL" $1
  if [ "$ARCH" == "noarch" ]; then
    sed -i 's/^ARCH=.*$/ARCH="noarch"/' $1
  else
    edit_file "ARCH" "$ARCH" $1
  fi
  edit_file "NUMBER OF JOBS" "$NUMJOBS" $1
  edit_file "VERSION" "$VERSION" $1
  edit_file "SOURCE NAME CONSTRUCTION STRING" "$CONST_STRING" $1
  edit_file "EXTENSION" "$EXTENSION" $1
  edit_file "DOWNLOAD FOLDER URL" "$URL_BASE" $1
  edit_file "OTHER CONFIGURE ARGS" "$OPTIONS" $1
  edit_file "DOCUMENTATION FILES" "$DOCFILES" $1
  edit_file "PREFIX" "$PREFIX" $1
  edit_file "UNPACKER" "$UNPACKER" $1
  edit_file "UNPACKER FLAGS" "$UNPACKER_FLAGS" $1
  edit_file "BUILD NUMBER" "$BUILD_NUMBER" $1
  edit_file "PATCH FILES" "$PATCH_FILES" $1
  edit_file "NUMBER OF PREFIX SLASHES TO STRIP" "$NPS_STRIP" $1

  edit_file_full "\$EXTENSION" "$EXTENSION" $1

}

function clear_files {

  # Remove temporary files
  [ ! -z $AUX_TMP ] && rm $AUX_TMP 2>/dev/null
  [ ! -z $SLACKBUILD_TEMP ] && rm $SLACKBUILD_TEMP 2>/dev/null
  [ ! -z $DIFF_FILE ] && rm $DIFF_FILE 2>/dev/null
  chmod 755 *.SlackBuild 2>/dev/null

}

function set_status {

  # Set status section
  # $1 - Section
  # $2 - Status
  # $3 - file
  [ $# -ne 3 ] && handle_error $ERROR_PAR_NUMBER
  if [ "`get_status $1 $3`" != "all" ]; then
    verbose "Section $1 $2"
    eval "sed -i 's/^<$1>.*$/<$1> $2/' $3"
  else
    echo "Warning: Section $1 have status all. Can't change!"
  fi

}

function get_status {

  # Get status from section
  # $1 - Section
  # $2 - file
  [ $# -ne 2 ] && handle_error $ERROR_PAR_NUMBER
  eval "sed '/^<$1>.*$/! d' $2"

}

function get_mkbuild_status {

    # Get status from mkbuild file
    # $1 section
    eval "sed '/^#>>/,/<</ ! d; /^#/ d; /: *$1$/! d; s/^ *\(.*\):.*$/\1/' $MKBUILD_NAME"
}

function activate_sections {

  # Enable and disable sections
  ACTIONS_LIST=`sed '/^#>>/,/<</ ! d; /^#/ d ' $MKBUILD_NAME | tr -d ' '`
  for i in $ACTIONS_LIST; do
    STATUS=`echo $i | cut -f1 -d:`
    SECTION=`echo $i | cut -f2 -d:`
    set_status $SECTION $STATUS $SLACKBUILD_TEMP
  done

  #if [ $SVN_MOD -eq $on -o $URL == "" ]; then
  #  LIST_OFF="download_source md5sum_download_and_check_0 md5sum_download_and_check_1 gpg_signature_check untar_source"
  #  verbose -e "\nSubversion or empty URL changes:"
  #  for i in $LIST_OFF; do
  #    set_status $i "off" $SLACKBUILD_TEMP
  #  done
  #  [ $SVN_MOD -eq $on ] && set_status svn_source "on" $SLACKBUILD_TEMP
  #fi

}

function build_slackbuild {

  # Clean SlackBuild
  # Make SlackBuild backup
  [ -e $SLACKBUILD ] && mv $SLACKBUILD $SLACKBUILD.old
  # Remove off sections
  sed -i '/^<[a-z].*> off/, /^<\/[a-z].*>$/ d' $SLACKBUILD_TEMP
  # Remove sections names
  sed -i '/^<.*$/ d' $SLACKBUILD_TEMP
  # Remove clear lines
  # isto pode ser feito com "cat -s SLACKBUILD_TEMP ..."
  sed -i ':i ; $! N; s/\n/Ø/ ; t i ; s/Ø\{3,\}/ØØ/g ; s/Ø/\n/g' $SLACKBUILD_TEMP
  # Remove from frist line do #!/... line
  sed '1,/^#\!/ {/^#\!/ b; d }' $SLACKBUILD_TEMP > $SLACKBUILD

}

function section_edit {

  # Edits a section substituting its content
  [ -z $MKBUILD_NAME ] && return 0

  SECTION_LIST=`grep '^#>[a-z]' $MKBUILD_NAME | cut -c3-`

  # Check for sections change
  [ -z "$SECTION_LIST" ] && return 0

  # Change sections
  for i in $SECTION_LIST; do
    verbose "Change section $i"
    if [ "$i" = "slackdesc" ]; then
      # Special slackdesc section
      slackdesc_edit > $AUX_TMP
      mv $AUX_TMP $SLACKBUILD_TEMP
    else
      # Others sections
      section_change $i
    fi
  done

}

function slackdesc_edit {

  # Edit slackdesc section
  sed -n '1,/|-----/ { /<slackdesc>/ b; /|-----/ b; p; }' $SLACKBUILD_TEMP
  echo -n $PKG_NAME | tr [a-z+\-] " "
  echo -n "|-----handy-ruler"
  let N=18+${#PKG_NAME}
  for i in `seq $N $SLACKDESC_LEN`; do
    echo -n "-"
  done
  echo -en "|\n"

  sed -n '/#>slackdesc/,/#<slackdesc/ { /^#/ b; p }' $MKBUILD_NAME
  sed '1, /\[\[SLACK-DESC\]\]/ d' $SLACKBUILD_TEMP

}

function section_change {

  # Change section lines
  [ $# -ne 1 ] && handle_error $ERROR_PAR_NUMBER

  # Copy first half
  eval "sed '1,/^<$1>/! d' $SLACKBUILD_TEMP > $AUX_TMP"
  # Paste new section
  eval "sed -n '/#>$1/,/#<$1/ { /^#>/ b; /^#</ b; p }' $MKBUILD_NAME >> $AUX_TMP"
  # Copy second halt
  eval "sed '/^<\/$1>/,$ ! d' $SLACKBUILD_TEMP >> $AUX_TMP"

  mv $AUX_TMP $SLACKBUILD_TEMP

}

function make_slack_required {

  # Build slack-required file
  [ -e slack-required ] && mv slack-required slack-required.old
  [ -z "$SLACK_REQUIRED" ] && return 0

  echo -e "# Dependency list to $SRC_NAME\n#\n# dependency [condition] [version]]" > slack-required

  echo $SLACK_REQUIRED | sed 's/:/\n/g' | while read i; do
    REQ=`echo $i | awk '{ print $1 }'`
    CON=`echo $i | awk '{ print $2 }'`
    VER=`echo $i | awk '{ print $3 }'`
    echo -e "$REQ\t\t$CON\t\t$VER" >> slack-required
  done

}

function change_other_parameters {

  # Change others parameters started by '[[' in .mkbuild file
  sed '1,/#>>/ ! d' $MKBUILD_NAME | grep -v '^#' | grep '^\[\[[A-Za-z]' | \
  while read i; do
    CHANGE="`echo $i | sed 's/\[\[\(.*\)\]\]=\"\(.*\)\"/\1/'`"
    VALUE="`echo $i | sed 's/\[\[\(.*\)\]\]=\"\(.*\)\"/\2/'`"
    edit_file "$CHANGE" "$VALUE" $SLACKBUILD
  done

}

function get_slackbuild_path {

  # Search for SlackBuild Path in order:
  #   - command line parameter;
  #   - mkbuild parameters file;
  #   - SlackBuild tree;
  #   - Gentool-portage internet tree;
  #   - default path (others/unclassified/$PKG_NAME).

  # Start AUX_PATH with command line parameter
  AUX_PATH="$SLACKBUILD_PATH"

  # Get in mkbuild
  [ -z $AUX_PATH ] && AUX_PATH=`validate_parameter "$SLACKBUILD_PATH" "SLACKBUILD PATH" ""`

  # SlackBuild path in SlackBuild tree
  [ -z $AUX_PATH ] && AUX_PATH=`cd $SLACKBUILDS_DIR && find . -name $SLACKBUILD | sed -e 's/^\.\///' | xargs dirname` 2>/dev/null

  # SlackBuild path default
  [ -z $AUX_PATH ] && AUX_PATH="others/unclassified/$PKG_NAME"

  # Down case SlackBuild path
  echo $AUX_PATH | tr [A-Z] [a-z]
}

function apply_mkpatch {

  # Apply mkpatch if exist
  sed -n '/#p>/,/#p</ { /^#/ b; p }' $MKBUILD_NAME > $DIFF_FILE
  if [ -s $DIFF_FILE ]; then
    mkpatch $DIFF_FILE $SLACKBUILD_TEMP > $AUX_TMP || handle_error $?
    [ ! -s $AUX_TMP ] && handle_error 1
    cp $AUX_TMP $SLACKBUILD_TEMP
    [ $VERBOSE -eq $on ] && ( echo -e "\nApply mkpath ..."; cat $DIFF_FILE )
  fi

}

# ----------------------------------------------------------------
#                     svn functions                               
# ----------------------------------------------------------------

function submit_slackbuild {

  # Submit SlackBuild in local Slack.Sarava tree
  echo -e "\nSubmiting $SLACKBUILD"

  local candidate oldplace

  # check SlackBuilds directory
  [ ! -e $SLACKBUILDS_DIR ] && createpkg --sync

  # change to SlackBuilds directory
  cd $SLACKBUILDS_DIR/

  # Add SlackBuild scripts
  # check path
  [ ! -e $SLACKBUILD_PATH ] && svn_mkdir $SLACKBUILD_PATH

  # add SlackBuild
  svn_copy $WORK/$SLACKBUILD $SLACKBUILD_PATH

  # check and add slack-required
  [ -e $WORK/slack-required ] && svn_copy $WORK/slack-required $SLACKBUILD_PATH

  for i in `ls $WORK | grep -E -v '(SlackBuild|old|slack-required|.mkbuild$|.tmp$)\*{0,1}$'`; do
    svn_copy $WORK/$i $SLACKBUILD_PATH
  done

  # remove stuff in old places
  for candidate in `find . -name $SLACKBUILD`; do
    oldplace="`dirname $candidate | sed -e 's/^\.\///'`"
    if [ "$oldplace" != "$SLACKBUILD_PATH" ]; then
      echo "Removing SlackBuild found at old path $oldplace"
      svn_del $oldplace
    fi
  done

  cd $WORK

}

function submit_mkbuild {

  # Submit mkbuild in local mkbuild Slack.Sarava tree
  echo -e "\nSubmiting $MKBUILD_NAME"

  local candidate oldplace

  # check mkbuild directory
  [ ! -d $MKBUILDS_DIR ] && build_repo $MKBUILDS_DIR $MKBUILDS_SVN

  # Get mkbuild path in parameter file
  MKBUILD_PATH=$SLACKBUILD_PATH

  # change to mkbuilds directory
  cd $MKBUILDS_DIR/

  # Add mkbuild scripts
  # check path
  [ ! -e $MKBUILD_PATH ] && svn_mkdir $MKBUILD_PATH

  # add mkbuild
  svn_copy $WORK/$MKBUILD_NAME $MKBUILD_PATH

  for i in `ls $WORK | grep -E -v '(SlackBuild|old|slack-required|.mkbuild$|.tmp$)\*{0,1}$'`; do
    if [ "`basename $i`" != "$DIST_SRC_NAME" ]; then
      if ! is_the_same $(dirname $MKBUILD_PATH) $WORK; then
        svn_copy $WORK/$i $MKBUILD_PATH
      else
        svn_add $WORK/$i
      fi
    fi
  done

  # remove stuff in old places
  for candidate in `find . -name $MKBUILD_NAME`; do
    oldplace="`dirname $candidate | sed -e 's/^\.\///'`"
    if [ "$oldplace" != "$MKBUILD_PATH" ]; then
      echo "Removing mkbuild found at old path $oldplace"
      svn_del $oldplace
    fi
  done  

  submit_cleanup
  cd $WORK

}

function submit_cleanup {

  # remove files that should not be stored at the mkbuilds repository
  if ! is_the_same $(dirname $MKBUILD_PATH) $WORK; then
    (
      cd $WORK
      rm -f *.old *.tmp *.SlackBuild slack-required $DIST_SRC_NAME
    )
  fi

}

# ----------------------------------------------------------------
#                     general functions                           
# ----------------------------------------------------------------

function validate_parameter {

  # Validate parameter in .mkbuild file
  [ $# -ne 3 ] && handle_error $ERROR_PAR_NUMBER

  if [ ! -z "$1" ]; then
    echo "$1"
  else
    local STRING="`get_variable "$2"`"
    if [ ! -z "$STRING" ]; then
      echo "$STRING"
    else
      echo "$3"
    fi
  fi

}

function decompress_find {

  # Find decompressor program and test flag
  case $EXTENSION in
    'gz'|'GZ')
      DECOMPRESSOR="gunzip"
      DECOMPRESSOR_TEST_FLAG="-t"
    ;;
    'bz2'|'BZ2')
      DECOMPRESSOR="bunzip2"
      DECOMPRESSOR_TEST_FLAG="-t"
    ;;
    'zip'|'ZIP')
      DECOMPRESSOR="unzip"
      DECOMPRESSOR_TEST_FLAG="-t"
    ;;
    *)
    handle_error $ERROR_MKBUILD_CONSTRUCTION "DECOMPRESSOR"
    ;;
  esac

}

function load_parameters {

  # Load Createpkg parameters
  SOURCE_DIR="`eval_parameter SOURCE_DIR /var/simplepkg/sources`"  
  SLACKBUILDS_DIR="`eval_parameter SLACKBUILDS_DIR /var/simplepkg/slackbuilds`"
  [ ! -d $SLACKBUILDS_DIR ] && mkdir -p $SLACKBUILDS_DIR

  MKBUILDS_DIR="`eval_parameter MKBUILDS_DIR /var/simplepkg/mkbuilds`"
  [ ! -d $SLACKBUILDS_DIR ] && mkdir -p $SLACKBUILDS_DIR

  SLACKBUILDS_SVN="`eval_parameter SLACKBUILDS_DIR http://slack.sarava.org/slackbuilds`"
  MKBUILDS_SVN="`eval_parameter MKBUILDS_SVN http://slack.sarava.org/mkbuilds`"
  SVN_USER="`eval_parameter MKBUILDS_SVN_USER`"
  SVN_GROUP="`eval_parameter MKBUILDS_SVN_GROUP`"

  COLOR_MODE="`eval_parameter COLOR_MODE none`"
  TMP="`eval_parameter TMP /tmp`"

}

function file_metainfo {

  # get integrity file metadata
  # usage: file_metainfo <file> <file_type> <manifest_file>

  local sum="" file="$1" file_type="`echo $2 | tr '[:lower:]' '[:upper:]'`"
  local size algo candidate folders path manifest_file="$3"
  local dist_name="`basename $file`"

  if [ -d "$file" ]; then
    return
  fi

  if [ -z "$file_type" ]; then
    file_type="AUX"
  fi

  if [ ! -e "$file" ]; then
    if [ "$file_type" == "DIST" ]; then

      # Add DIST information only if source is not under revision control
      if [ $SVN_MOD -eq $on -o $GIT_MOD -eq $on ]; then
         return
      fi

      # Force DIST file name at Manifest
      dist_name="$DIST_SRC_NAME"

      # Determine file location
      get_dist_file

      # Update Manifest metadata
      if [ -e "$DIST_SRC_LOCATION" ]; then
        file="$DIST_SRC_LOCATION"
        echo "Using $(basename $file) found at $(dirname $file) to hash at the Manifest."
      else
        echo "$file_type $dist_name " >> $manifest_file # end space is important
        return 1
      fi

    else
      echo "$file_type $dist_name " >> $manifest_file # end space is important
      return 1
    fi
  fi

  for algo in md5 sha1 sha256 sha512 rmd160; do
    sum="$sum `echo $algo | tr '[:lower:]' '[:upper:]'` `gethash $algo $file`"
  done

  echo $file_type $dist_name `file_size $file` $sum >> $manifest_file

  if [ "$file_type" == "DIST" ]; then
    echo "Please make sure that the following hashes are correct:"
    grep -e "^DIST $DIST_SRC_NAME " $manifest_file
  fi  

}

function update_manifest_info {

  # update Manifest metainfo for a given file
  # usage: update_manifest_info <file> <file_type>

  local tmpfile file="$1" file_type="`echo $2 | tr '[:lower:]' '[:upper:]'`"

  if [ -z "$file_type" ]; then
    file_type="`file_extension $file | tr '[:lower:]' '[:upper:]'`"
  fi

  # Update Manifest file
  if [ ! -e "$WORK/Manifest" ]; then
    touch $WORK/Manifest
  fi

  # Set temporary file
  tmpfile="`mktemp $TMP/mkbuild_manifest.XXXXXX`"

  # Update metadata
  sed -e "/^$file_type `basename $file` /d" $WORK/Manifest > $tmpfile
  file_metainfo $file $file_type $tmpfile

  if [ "$?" != "0" ]; then
    echo "Could not add hashes for $file on Manifest: file not found."
    echo "Please do it with --update-manifest."
  fi

  # Save Manifest changes
  sort $tmpfile > $WORK/Manifest

  rm -f $tmpfile

}

function edit_manifest {

  # Update Manifest file
  verbose "Updating Manifest..."

  # Update mkbuild metainformation
  update_manifest_info $WORK/$MKBUILD_NAME

  # Update SlackBuild information
  update_manifest_info $WORK/$SLACKBUILD

  # Update slack-required information
  if [ -e "$WORK/slack-required" ]; then
    update_manifest_info $WORK/slack-required
  fi

  # Add source code information if its not already there
  if ! grep -q -e "^DIST $DIST_SRC_NAME " $WORK/Manifest; then 
    update_manifest_info $DIST_SRC_NAME dist
  fi

  # Update patches
  for i in `find $WORK | grep -E '(.diff$|.diff.gz$|.diff.bz2$|.patch$|.patch.gz$|.patch.bz2$)\*{0,1}$'`; do
    if [ ! -d "$WORK/$i" ]; then
      update_manifest_info $i patch
    fi
  done

  # Update miscelaneous information
  for i in `find $WORK | grep -E -v '(SlackBuild|old|slack-required|.mkbuild$|.tmp$|Manifest$)\*{0,1}$'`; do
    if [ ! -d "$WORK/$i" ] && [ "`basename $i`" != "$DIST_SRC_NAME" ]; then
      update_manifest_info $i misc
    fi
  done

}

function get_dist_file {

  # get package source code
  # usage: get_dist_file [file]

  local folders path candidate file="$1"
  local protocol="`echo $URL | cut -d : -f 1 | tr '[:upper:]' '[:lower:]'`"

  # Determine file location
  if [ -d "$file" ]; then

    file="$DIST_SRC_NAME"
    for candidate in $(find $SOURCE_FILE -name $(basename $file)); do
      if [ ! -z "$candidate" ]; then
        break 2
      fi
    done

    if [ ! -z "$candidate" ]; then
      echo "Using $(basename $candidate) found at $(dirname $candidate) to hash at the Manifest."
      file="$candidate"
    else
      echo "Can't find $file at $DIST_SRC_NAME."
      return 1
    fi

  elif [ -z "$file" ]; then

    file="$DIST_SRC_NAME"
    folders="$WORK $TMP $SOURCE_DIR"
    if ! is_the_same /tmp $TMP; then
      folders="$folders /tmp"
    fi

    echo "Trying to find $(basename $file) at $folders..."

    for path in $folders; do
      for candidate in $(find $path -name $(basename $file)); do
        if [ ! -z "$candidate" ]; then
          break 2
        fi
      done
    done    

    if [ ! -z "$candidate" ]; then

      echo "Using $(basename $candidate) found at $(dirname $candidate) to hash at the Manifest."
      file="$candidate"

    elif [ "$protocol" == "https" ] || \
         [ "$protocol" == "http" ] || \
         [ "$protocol" == "ftp" ]; then

      # Try to donwload the file
      if [ ! -e "$file" ]; then
        if is_writable_folder $SOURCE_DIR/$PKG_NAME; then
          file="$SOURCE_DIR/$PKG_NAME/`basename $DIST_SRC_NAME`"
          wget "$URL" -O "$file"
          if [ "$?" != "0" ]; then
            echo "Could not download $file"
            return 1
          fi
        elif is_writable_folder $TMP; then
          file="$TMP/`basename $DIST_SRC_NAME`"
          if [ ! -e "$file" ]; then
            wget "$URL" -O "$file"
            if [ "$?" != "0" ]; then
              echo "Could not download $file"
              return 1
            fi
          fi
        elif ! is_the_same /tmp $TMP; then
          file="/tmp/`basename $DIST_SRC_NAME`"
          if [ ! -e "$file" ]; then
            wget "$URL" -O "$file"
            if [ "$?" != "0" ]; then
              echo "Could not download $file"
              return 1
            fi
          fi
        else
          echo "Could not download $file"
          return 1
        fi
      fi
    fi
  fi

  DIST_SRC_LOCATION="$file"

}

function update_manifest {

  # Get mkbuild values
  get_mkbuild_values
 
  # Add DIST information only if source is not under revision control
  if [ $SVN_MOD -eq $on -o $GIT_MOD -eq $on ]; then
    echo "Source is under version control system, can't add hashes to Manifest."
    return
  fi

  echo "Updating DIST information at $MKBUILD_NAME Manifest..."

  # Determine file location
  get_dist_file

  # Update Manifest metadata
  if [ -e "$DIST_SRC_LOCATION" ]; then
    update_manifest_info $DIST_SRC_LOCATION dist
  else
    echo "Can't get $DIST_SRC_NAME."
  fi

}

function if_previous_error {

  if [ "$?" != "0" ]; then
    handle_error $*
  fi

}

function verbose {

  if [ $VERBOSE -eq $on ]; then
    echo $*
  fi

}

function get_mkbuild_values {

  # Get values
  # Author name
  AUTHOR=${AUTHOR:="`get_variable "SLACKBUILD AUTHOR"`"}
  [ -z "$AUTHOR" ] && handle_error $ERROR_MKBUILD_CONSTRUCTION "SLACKBUILD AUTHOR"
  verbose "[[SLACKBUILD AUTHOR]]=\"$AUTHOR\""

  # Author initials
  STR_MOUNT=`echo $AUTHOR | sed 's/ /\n/g' | sed 's/^\([A-Z]\).*/\1/' | sed ':i; $!N;  s/\n//; ti' | tr [A-Z] [a-z]`
  AUTHOR_INITIALS="`validate_parameter "$AUTHOR_INITIALS" "SLACKBUILD AUTHOR INITIALS" "$STR_MOUNT"`"
  if_previous_error $ERROR_MKBUILD_CONSTRUCTION "SLACKBUILD AUTHOR INITIALS"
  verbose "[[SLACKBUILD AUTHOR INITIALS]]=\"$AUTHOR_INITIALS\""

  # URL program
  URL=`validate_parameter "$URL" "DOWNLOAD FOLDER URL" ""`
  if_previous_error handle_error $ERROR_MKBUILD_CONSTRUCTION "URL"
  verbose "[[URL]]=\"$URL\""

  AUX=`get_mkbuild_status "svn_source"`
  SVN_MOD=`convert_boolean "$AUX"`

  AUX=`get_mkbuild_status "git_source"`
  GIT_MOD=`convert_boolean "$AUX"`

  # Check sections
  if [ $SVN_MOD -eq $on -o $GIT_MOD -eq $on -o $URL == "" ]; then
    LIST_OFF="download_source md5sum_download_and_check_0 md5sum_download_and_check_1 gpg_signature_check untar_source"
    verbose -e "\nCheck subversion or empty URL"
    for i in $LIST_OFF; do
      if [ `get_mkbuild_status "$i"` != "off" ]; then
        handle_error $ERROR_MKBUILD_VCS
      else
        verbose -e "off: $i is ok."
      fi
    done
  fi

  STR_MOUNT="`echo $URL | sed 's/.*\.\([a-z0-9]\+\)$/\1/'`"
  if [ $STR_MOUNT = "gz" -o $STR_MOUNT = "tgz" -o $STR_MOUNT = "bz2" -o $STR_MOUNT = "zip" ]; then
    SOURCE_NAME=`basename $URL`
    URL_BASE=`dirname $URL`
  else
    URL_BASE=$URL
  fi
  verbose "[[DOWNLOAD FOLDER URL]]=\"$URL_BASE\""

  if [ $SVN_MOD -eq $off ] && [ $GIT_MOD -eq $off ]; then
    # Extension
    EXTENSION=`validate_parameter "$EXTENSION" "EXTENSION" "$STR_MOUNT"`
    if_previous_error handle_error $ERROR_MKBUILD_CONSTRUCTION "EXTENSION"
    verbose "[[EXTENSION]]=\"$EXTENSION\""

    # Unpacker
    UNPACKER=`validate_parameter "$UNPACKER" "UNPACKER" "tar"`
    if_previous_error handle_error $ERROR_MKBUILD_CONSTRUCTION "UNPACKER"
    verbose "[[UNPACKER]]=\"$UNPACKER\""

    # Unpacker flags
    [ "$UNPACKER" == "tar" ] && STR_MOUNT="--no-same-owner --no-same-permissions -xvf" || STR_MOUNT=""
    UNPACKER_FLAGS=`validate_parameter "$UNPACKER_FLAGS" "UNPACKER FLAGS" "$STR_MOUNT"`
    if_previous_error handle_error $ERROR_MKBUILD_CONSTRUCTION "UNPACKER FLAGS"
    verbose "[[UNPACKER_FLAGS]]=\"$UNPACKER_FLAGS\""

    # Decompressor program and test flag
    DECOMPRESSOR=`validate_parameter "$DECOMPRESSOR" "DECOMPRESSOR" ""`
    [ -z $DECOMPRESSOR ] && decompress_find
    verbose "[[DECOMPRESSOR]]=\"$DECOMPRESSOR\""

    DECOMPRESSOR_TEST_FLAG=`validate_parameter "$DECOMPRESSOR_TEST_FLAG" "DECOMPRESSOR TEST FLAG" ""`
    if_previous_error handle_error $ERROR_MKBUILD_CONSTRUCTION "DECOMPRESSOR TEST FLAG"
    verbose "[[DECOMPRESSOR TEST FLAG]]=\"$DECOMPRESSOR_TEST_FLAG\""
  fi

  # Build number
  BUILD_NUMBER=`validate_parameter "$BUILD_NUMBER" "BUILD NUMBER" "1"`
  if_previous_error handle_error $ERROR_MKBUILD_CONSTRUCTION "BUILD NUMBER"

  # Build archteture
  ARCH=`validate_parameter "$ARCH" "ARCH" "i486"`
  verbose "[[ARCH]]=\"$ARCH\""

  # Source name
  STR_MOUNT=`echo $SOURCE_NAME | sed -r 's/(.*)-(.*)\.(.*\..*)$/\1/'`
  SRC_NAME=`validate_parameter "$SRC_NAME" "SOURCE NAME" "$STR_MOUNT"`
  if_previous_error handle_error $ERROR_MKBUILD_CONSTRUCTION "SOURCE NAME"
  verbose "[[SOURCE NAME]]=\"$SRC_NAME\""

  # Package name
  STR_MOUNT=$SRC_NAME
  PKG_NAME=`validate_parameter "$PKG_NAME" "PACKAGE NAME" "$STR_MOUNT"`
  verbose "[[PACKAGE NAME]]=\"$PKG_NAME\""

  # Version
  STR_MOUNT=`echo $SOURCE_NAME | sed -r 's/(.*)-(.*)\.(.*\..*)$/\2/'`
  VERSION=`validate_parameter "$VERSION" "VERSION" "$STR_MOUNT"`
  if_previous_error handle_error $ERROR_MKBUILD_CONSTRUCTION "VERSION"
  verbose "[[VERSION]]=\"$VERSION\""

  # Source name construction string
  CONST_STRING="`validate_parameter "$CONST_STRING" "SOURCE NAME CONSTRUCTION STRING" "\\\$SRC_NAME-\\\$VERSION.tar.$EXTENSION"`"
  verbose "[[SOURCE NAME CONSTRUCTION STRING]]=\"$CONST_STRING\""

  # Build Source Name
  [ -z $SOURCE_NAME ] && SOURCE_NAME=`eval "echo $CONST_STRING"`
  verbose "SOURCE_NAME=\"$SOURCE_NAME\""

  # Eval source code name
  DIST_SRC_NAME="`eval "echo $CONST_STRING"`" # we need this to strip some escape strings
  DIST_SRC_NAME="`eval "echo $DIST_SRC_NAME"`" # twice does the job

  # Documentations list
  DEFAULT_DOCFILES="NEWS TODO README AUTHORS INSTALL ChangeLog MAINTAINERS COPYING LICENSE SIGNATURE readme.*"
  DOCFILES=`validate_parameter "$DOCFILES" "DOCUMENTATION FILES" "$DEFAULT_DOCFILES"`
  verbose "[[DOCUMENTATION FILES]]=\"$DOCFILES\""

  # ./configure option
  OPTIONS=`validate_parameter "$OPTIONS" "OTHER CONFIGURE ARGS" ""`
  verbose "[[OTHER CONFIGURE ARGS]]=\"$OPTIONS\""

  # PREFIX
  PREFIX=`validate_parameter "$PREFIX" "PREFIX" "/usr"`
  verbose "[[PREFIX]]=\"$PREFIX\""

  # Number of jobs
  NUMJOBS=`validate_parameter "$NUMJOBS" "NUMBER OF JOBS" ""`
  is_number $NUMJOBS && NUMJOBS="-j${NUMJOBS}"
  verbose "[[NUMBER OF JOBS]]=\"$NUMJOBS\""

  # Make slack-required file
  SLACK_REQUIRED=`validate_parameter "$SLACK_REQUIRED" "SLACK REQUIRED" ""`
  verbose "[[SLACK REQUIRED]]=\"$SLACK_REQUIRED\""

  # SlackBuild model
  MODEL=`validate_parameter "$MODEL" "SLACKBUILD MODEL" "generic.mkSlackBuild"`
  verbose "[[SLACKBUILD MODEL]]=\"$MODEL\""

  # PATCH FILES
  PATCH_FILES=`validate_parameter "$PATCH_FILES" "PATCH FILES" ""`
  verbose "[[PATCH_FILES]]=\"$PATCH_FILES\""

  # Strip  the smallest prefix containing num leading slashes from each file name found in the patch file.
  NPS_STRIP=`validate_parameter "$NPS_STRIP" "NUMBER OF PREFIX SLASHES TO STRIP" "1"`
  verbose "[[NUMBER OF PREFIX SLASHES TO STRIP]]=\"$NPS_STRIP\""

  # SlackBuild path
  # SlackBuild path in mkbuild parameters file
  SLACKBUILD=${PKG_NAME}.SlackBuild
  SLACKBUILD_PATH=`get_slackbuild_path`
  verbose "[[SLACKBUILD PATH]]=\"$SLACKBUILD_PATH\""

}

function make_slackbuild {

  #--------------------------------------------------------------
  #-                   Start build SlackBuild                   -
  #--------------------------------------------------------------

  # Get mkbuild values
  get_mkbuild_values

  verbose -e "\nStart SlackBuild make"
  SLACKBUILD_TEMP=$SLACKBUILD.tmp
  cp $MODEL_DIR/$MODEL $SLACKBUILD_TEMP

  # Apply mkpatch
  verbose -e "\nMkpatch section ..."
  apply_mkpatch

  # On/Off sections
  verbose -e "\nEnable/disable sections ..."
  activate_sections

  # Change sections
  verbose -e "\nEdit sections ..."
  section_edit

  # Change strings from model
  verbose -e "\nChange strings in $PACKAGE.SlackBuild model..."
  start_build $SLACKBUILD_TEMP

  # Remove off sections
  verbose -e "\nRemove off sections ..."
  build_slackbuild

  # Make slack-required file
  verbose -e "\nMake slack-required file ..."
  make_slack_required

  if [ -e slack-required ]; then
    DEPENDENCY_LIST="`cat slack-required | awk '{print $1}' | grep '^[a-z]' | tr '\012' ' '`"
    edit_file "REQUIRES" "$DEPENDENCY_LIST" $SLACKBUILD
  else
    edit_file "REQUIRES" " " $SLACKBUILD
  fi

  # Others changes
  verbose -e "\nEdit others [[]] parameters ..."
  change_other_parameters

  # Update Manifest file
  edit_manifest

  # Commit SlackBuild
  [ $SUBMIT_SLACKBUILD -eq $on ] && submit_slackbuild

  # Commit mkbuild
  [ $SUBMIT_MKBUILD -eq $on ] && submit_mkbuild

}

function create_mkbuild {

  # Create a new .mkbuild parameters-file
  cp $MODEL_DIR/model.mkbuild $MKBUILD_NAME

  # Package Author
  if [ ! -z "$AUTHOR" ]; then
    edit_file "YOUR NAME" "${AUTHOR}" $MKBUILD_NAME
    # Package Author Signature
    if [ -z "$AUTHOR_INITIALS" ]; then
      AUTHOR_INITIALS=`echo $AUTHOR | tr '[A-Z]' '[a-z]' | sed 's/ /\n/g' |  sed 's/^\([a-z]\).*/\1/' | sed ':i ; $! N ; s/\n// ; t i'`
    fi
    edit_file "YOUR SIGNATURE" "${AUTHOR_INITIALS}" $MKBUILD_NAME
  fi

  # Change Default SourceForge URL
  [ -z "$URL" ] && URL="http://downloads.sourceforge.net/[[PKG NAME]]/"
  edit_file "DEFAULT URL" "${URL}" $MKBUILD_NAME

  # Change Package Name
  edit_file "PKG NAME" "${MKBUILD_NAME//.mkbuild}" $MKBUILD_NAME

  # Print .mkbuild name
  echo "$MKBUILD_NAME"

}

# ----------------------------------------------------------------

#=============================
#        Main Program
#=============================

# Common functions
COMMON_SH="/usr/libexec/simplepkg/common.sh"
PROG_VERSION="`echo '$Rev$' | sed -e 's/[^0-9]//g'`"
BASENAME="`basename $0`"
WORK=`pwd`
LANG=en_US
EXIT_CODE=0

if [ -f "$COMMON_SH" ]; then
  source $COMMON_SH
else
  echo $error "$BASENAME: file $COMMON_SH not found. Check your $BASENAME installation"
fi

# Start constants
set_constants

# Set submit off
SUBMIT_SLACKBUILD=$off
SUBMIT_MKBUILD=$off
# Set verbose off
VERBOSE=$off
SVN_MOD=$off

# Load /etc/simplepkg/simplepkg.conf parameters
load_parameters

# Select color mode: gray, color or none (*)
color_select $COLOR_MODE

# Auxiliar file
AUX_TMP=/tmp/mkbuild_tmp.$RANDOM
DIFF_FILE=/tmp/mkbuild.diff.$RANDOM
# Derectory to SlackBuild models
MODEL_DIR=${MODEL_DIR:="/etc/simplepkg/defaults/mkbuild"}
# SlackDesk line length
SLACKDESC_LEN=78

# Load error codes
error_codes

[ $# -eq 0 ] && mkbuild_use && exit 1

# Configure input parameters
set_parameters "$@"

verbose -e "$BASENAME version $PROG_VERSION\n"
if [ ! -z "$MKBUILD_NAME" ]; then
  case $ACTION in
    'update_manifest')
      update_manifest $*
    ;;
    'commit_slackbuild')
      commit_changes $SLACKBUILDS_DIR $*
    ;;
    'commit_mkbuild')
      commit_changes $MKBUILDS_DIR $*
    ;;
    'commit_all')
      commit_changes $SLACKBUILDS_DIR $*
      commit_changes $MKBUILDS_DIR $*
    ;;
    'new')
      create_mkbuild
    ;;
    'build')
      make_slackbuild
    ;;
    'search')
      SEARCH=`find $MKBUILDS_DIR -iname $MKBUILD_NAME`
      if [ "$SEARCH" == "" ]; then
        EXIT_CODE=1
      else
        EXIT_CODE=0
        echo $SEARCH
      fi
    ;;
  esac
fi

# Clear temporary files
verbose -e "\nRemove temporary files ..."
clear_files
exit $EXIT_CODE