#!/bin/bash

#

# vcs.sh -- This function standardizes version control tasks inside

# the repository.

#

# Copyright (C) 2009-2013 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 vcs {

    local ACTIONNAM=''

    local ACTIONNAMS=''

    local ACTIONVAL=''

    # Verify whether version control actions should be performed or

    # not inside the repository directory structure.

    local ENABLED=$(cli_getConfigValue "${CLI_BASEDIR}/${CLI_NAME}.conf" "version_control" "enabled")

    if [[ ! ${ENABLED} =~ '^(yes|ye|y|0)$' ]];then

        return

    fi

    # Initialize version control system to use inside the repository.

    local PACKAGE=$(cli_getConfigValue "${CLI_BASEDIR}/${CLI_NAME}.conf" "version_control" "package")

    # Set possible values to packages used as version control system.

    if [[ ${PACKAGE} =~ '^(git|subversion)$' ]];then

        # Initialize the absolute path to commands we'll use as

        # version control system in the working copy.

        case ${PACKAGE} in

            'git' )

                COMMAND=/usr/bin/git

                ;;

            'subversion' )

                COMMAND=/usr/bin/svn

                ;;

        esac

    else

        cli_printMessage "${PACKAGE} `gettext "isn't supported as version control system."`" --as-error-line

    fi

    # Verify whether the related package is installed or not.

    cli_checkFiles ${PACKAGE} --is-installed

    # Interpret arguments and options passed through command-line.

    vcs_getOptions

    # Initialize function specific export id.

    local EXPORTID="${CLI_FUNCDIRNAM}/$(cli_getRepoName ${PACKAGE} -d)/$(cli_getRepoName ${PACKAGE} -f)"

    # Export specific functionalities to the script environment.

    cli_exportFunctions "${EXPORTID}"

    # Execute version control.

    ${PACKAGE}

    # Unset specific functionalities from the script environment.

    cli_unsetFunctions "${EXPORTID}"

}