#!/bin/bash
#
# cli_checkRepoDirSource.sh -- This function sanitates the action
# value variable. The action value variable contains non-option
# arguments passed to centos-art.sh script.
#
# 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 cli_checkRepoDirSource {

    # Check action value to be sure strange characters are kept far
    # away from the path provided.
    cli_checkPathComponent --everything ${ACTIONVAL}

    # Redefine source value to build repository absolute path from
    # repository top level on. As we are removing the absolute path
    # prefix (e.g., `/home/centos/artwork/') from all centos-art.sh
    # output (in order to save horizontal output space), we need to be
    # sure that all strings begining with `trunk/...', `branches/...',
    # and `tags/...' use the correct absolute path. That is, you can
    # refer trunk's entries using both
    # `/home/centos/artwork/trunk/...' or just `trunk/...', the
    # `/home/centos/artwork/' part is automatically added here. 
    if [[ $ACTIONVAL =~ '^(trunk|branches|tags)' ]];then
        ACTIONVAL=${TCAR_WORKDIR}/$ACTIONVAL 
    fi

    # Re-define source value to build repository absolute path from
    # repository relative paths. This let us to pass repository
    # relative paths as source value.  Passing relative paths as
    # source value may save us some typing; specially if we are stood
    # a few levels up from the location we want to refer to as source
    # value.  There is no need to pass the absolute path to it, just
    # refere it relatively.
    if [[ -d ${ACTIONVAL} ]];then

        # Add directory to the top of the directory stack.
        pushd "$ACTIONVAL" > /dev/null

        # Check directory existence inside the repository.
        if [[ $(pwd) =~ "^${TCAR_WORKDIR}" ]];then
            # Re-define source value using absolute path.
            ACTIONVAL=$(pwd)
        fi

        # Remove directory from the directory stack.
        popd > /dev/null

    fi

}