#!/bin/bash

#

# prepare_updateEnvironment.sh -- This function updates the

# `~/.bash_profile' file to provide default configuration values to

# centos-art.sh script. Those values which aren't set by this function

# are already set in the `bash_profile.conf' template file we use as

# reference to create the `~/.bash_profile' file.

#

# Copyright (C) 2009, 2010, 2011, 2012 The CentOS Project

#

# 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.

#

# This program 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., 675 Mass Ave, Cambridge, MA 02139, USA.

#

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

# $Id$

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

function prepare_updateEnvironment {

    # Verify that centos-art.sh script is run using an absolute path.

    # We use this information to determine the exact working copy

    # location to use, later when `bash_profile' file is created.

    if [[ ! $0 =~ "^${HOME}/.+/${CLI_NAME}.sh$" ]];then

        cli_printMessage "`gettext "To set environment variables you should run centos-art.sh using its abosolute path."`" --as-error-line

    fi

    local PROFILE=bash_profile

    local SOURCE=${PREPARE_CONFIG_DIR}/${PROFILE}.conf

    local TARGET=${HOME}/.${PROFILE}

    # Determine the repository absolute path using the script absolute

    # path the script has been executed from. Be careful when you use

    # the centos-art command. It points to ~/bin directory which is

    # not (and must not be) the repository working copy absolute path.

    if [[ $TCAR_WORKDIR =~ "^${HOME}/bin" ]];then

        cli_printMessage "`eval_gettext "The repository working directory cannot be $HOME/bin"`" --as-error-line

    else

        local TCAR_WORKDIR=$(dirname "$0" | sed "s,${TCAR_BASHSCRIPTS},,")

    fi

    # Determine which is the brand information that will be used as

    # repository brand information. By default we are using `centos'

    # and shouldn't be change to anything else, at least if you

    # pretend to produce content for The CentOS Project.

    local TCAR_BRAND='centos'

    # Print action message.

    cli_printMessage "${TARGET}" --as-updating-line

    # Copy default configuration file to its final destination. Note

    # that we are not making a link here in order for different users

    # to be able of using different values in their own environments.

    cp -f $SOURCE $TARGET

    # Update bash_profile file with default values.

    sed -i -r \

        -e "s,^(TCAR_WORKDIR=).*,\1${TCAR_WORKDIR}," \

        -e "s,^(TCAR_BRAND=).*,\1${TCAR_BRAND}," \

        ${TARGET}

}