#!/bin/bash

#

# tuneup_doBaseActions.sh -- This function builds one list of files to

# process for each file extension supported and applies maintainance

# tasks file by file for each one of them.

#

# Copyright (C) 2009, 2010, 2011 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 tuneup_doBaseActions {

    local TUNEUP_CONFIG_DIR=''

    local TUNEUP_BACKEND_DIR=''

    local TUNEUP_BACKEND_INIT=''

    local TUNEUP_EXTENSION=''

    local FILE=''

    local FILES=''

    # Print separator line.

    cli_printMessage '-' --as-separator-line

    # Loop through list of supported file extensions. 

    for TUNEUP_EXTENSION in ${TUNEUP_EXTENSIONS};do

        # Define backend name based on supported file extensions.

        TUNEUP_BACKEND="${TUNEUP_EXTENSION}"

        # Define absolute path to directory where backend-specific

        # functionalities are stored in.

        TUNEUP_BACKEND_DIR="${TUNEUP_BASEDIR}/$(cli_getRepoName \

            ${TUNEUP_BACKEND} -d)"

        # Define absolute path to backend initialization script.

        TUNEUP_BACKEND_INIT="${TUNEUP_BACKEND_DIR}/$(cli_getRepoName ${TUNEUP_BACKEND} -f)"

        # Verify absolute path to backend initialization script.  When

        # a file extension is provided, but no backend initialization

        # script exists for it, continue with the next file extension

        # in the list.

        if [[ ! -f ${TUNEUP_BACKEND_INIT} ]];then

            continue

        fi

        # Define absolute path to directory where backend-specific

        # configurations are retrived from.

        TUNEUP_CONFIG_DIR="${TUNEUP_BACKEND_DIR}/Config"

        # Build list of files to process using action value as

        # reference.

        FILES=$(cli_getFilesList ${ACTIONVAL} --pattern="${FLAG_FILTER}\.${TUNEUP_EXTENSION}")

        # Verify list of files to process. Assuming no file is found,

        # evaluate the next supported file extension.

        if [[ $FILES == '' ]];then

            continue

        fi

        # Export backend-specific functionalities up to the

        # execution environment.

        cli_exportFunctions "${TUNEUP_BASEDIR}/$(cli_getRepoName \

            ${TUNEUP_BACKEND} -d)" "${TUNEUP_BACKEND}"

        # Execute backend-specific maintainance tasks.

        for FILE in $FILES;do

            cli_printMessage "$FILE" --as-tuningup-line

            ${TUNEUP_BACKEND}

        done

        # Unset backend-specific functionalities from execution

        # environment.  This is required to prevent end up with more

        # than one backend-specifc function initialization, in those

        # cases when different template files are rendered in just one

        # execution of `centos-art.sh' script.

        cli_unsetFunctions "${TUNEUP_BASEDIR}/$(cli_getRepoName \

            ${TUNEUP_BACKEND} -d)" "${TUNEUP_BACKEND}"

    done

}