#! /bin/bash
#----------------------------------------------------------------------------
# load-settings.sh - check existence of file 'settings.txt' and if not create
#                    it out of 'settings.txt.default'.
#
# Creation   : 2007-12-09 starwarsfan
# Last Update: $Id$
#
# Copyright (c) 2001-2009 the eisfair team, team(at)eisfair(dot)org>
#
# This program 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
# (at your option) any later version.
#----------------------------------------------------------------------------



# ---------------------------
# Include necessary functions
. ${baseDir}/${trunkDir}/_ADMIN/functions/helpers.sh
. ${baseDir}/${trunkDir}/_ADMIN/functions/set-property.sh
. ${baseDir}/${trunkDir}/_ADMIN/package-states.txt



# ---------------------------------------------------------------------------
# loadSettings ()
#
# return code:
# 2 - Settingsfile not found. New one created out of default file but abort
#     of script is necessary to check the settings manually by the user.
# 1 - Both settings files not found. Abort of script necessary.
# 0 - Settingsfile successful loaded.
# ---------------------------------------------------------------------------
loadSettings ()
{
    # ------------------------------------------------------------
    # Set locale. This is required to get identical output schemas
    # for instance on 'svn info ...'
    LANG=C

    # -----------------------------
    # check if settings file exists
    if [ -f "${baseDir}/${trunkDir}/_ADMIN/settings.txt" ]
    then
        # ----------------------------------------------------------------
        # This should be the normal case: settings.txt exists, so load it.
        . ${baseDir}/${trunkDir}/_ADMIN/settings.txt

        # -------------------------------------------------------------
        # Setup the archive extension to use and reset it to gzip usage
        # if wrong value entered
        if [ "${archProg}" == "gzip" ]
        then
            archExtension='gz'
        elif [ "${archProg}" == "bzip2" ]
        then
            archExtension='bz2'
        elif [ "${archProg}" == "lzma" ]
        then
            archExtension='lzma'
        elif [ "${archProg}" == "xz" ]
        then
            archExtension='xz'
                else
            archProg='gzip'
            archExtension='gz'
        fi

        myecho "Settings loaded."
    elif [ -f "${baseDir}/${trunkDir}/_ADMIN/settings.default.txt" ]
    then
        echo ""
        echo "Settings file not existing. Creating new one out of default file"
        echo "and adding it to svn:ignore. So it is secured that personal settings"
        echo "are not commited to the repository."
        cp ${baseDir}/${trunkDir}/_ADMIN/settings.default.txt ${baseDir}/${trunkDir}/_ADMIN/settings.txt
        # ----------------------------------------------
        # Go into the used directory, call setProperty()
        # and go back to where we came from.
        cd ${baseDir}/${trunkDir}/_ADMIN
        setProperty settings.txt
        setProperty settings.bak
        setProperty history.txt
        cd - > /dev/null
        echo "Settings file created. The script will be aborted here, please modify"
        echo "the settings to fit your needs. If the settings are OK, restart the"
        echo "script."
        echo ""
        exit 2
    else
        # ---------------------------------------------------------------------
        # Thats odd: Not even 'settings.txt' nor 'settings.default.txt' exists!
        echo ""
        echo "ERROR: No settings file existing!"
        echo "The default file 'settings.default.txt' must exist on the folder"
        echo "'${baseDir}/${trunkDir}/_ADMIN/'. This file is used to create"
        echo "a personal settings file, which you can setup to your needs."
        echo "Please check for that and restart the script again."
        echo ""
        exit 1
    fi

    # ----------------------------------------------------------
    # Setup information which should be includet on file headers
    #
    # Global vars after this step:
    # - ${packageCreatorName}
    # - ${packageCopyrightNotice}
    # - ${packageCreatorEmail}
    # - ${packageInfoString} - This is the summary of the three vars above,
    #                          in the following schema:
    # ${packageCreatorName}, ${packageCopyrightNotice}, ${packageCreatorEmail}
    #
    # If the var ${packageCopyrightNotice} is empty, then is this schema:
    # ${packageCreatorName}, ${packageCreatorEmail}
    #
    if [ -z "${packageCreatorName}" -o "${packageCreatorName}" == 'whoami' ]
    then
        packageCreatorName=`whoami`
    fi

    if [ -z "${packageCopyrightNotice}" ]
    then
        packageCopyrightNotice=''
        packageInfoString="${packageCreatorName}, "
    else
        packageCopyrightNotice="${packageCopyrightNotice}, "
        packageInfoString="${packageCreatorName}, ${packageCopyrightNotice}"
    fi

    if [ -z "${packageCreatorEmail}" ]
    then
        packageCreatorEmail='<team(at)eisfair(dot)org>'
    fi

    packageInfoString="${packageInfoString}${packageCreatorEmail}"

    # --------------------------------------------------------------
    # Create the info string without potential existing "<" and ">".
    # This string is used at the package info file.
    packageInfoStringPlain=`echo "${packageInfoString}" | sed -e "s/<//g" -e "s/>//g"`

    if [ -z "${indexTxtUrl}" ]
    then
        indexTxtUrl='http://www.pack-eis.de/index.txt'
    fi

    return 0
}