#!/bin/bash

#

# verify_doLinkInstall.sh -- This function receives a list of missing

# links and installs them using `ln'.

#

# Copyright (C) 2009-2010 Alain Reguera Delgado

# 

# 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307

# USA.

# 

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

# $Id$

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

function verify_doLinkInstall {

    local ID=0

    local LINKS_PARENT=''

    local WARNING=''

    for ID in $LINKS_MISSING_ID;do

        # Verify parent directory of missing link names that have a

        # file as target. If the parent directory doesn't exist,

        # create it first before creating links inside it. Because

        # links are not created yet, we use their targets as reference

        # to determine what type of link we are creating.

        if [[ -f ${TARGETS[$ID]} ]];then

            LINKS_PARENT=$(dirname ${LINKS[$ID]})

            cli_checkFiles $LINKS_PARENT 'd' '' '--quiet'

            if [[ $? -ne 0 ]];then

                mkdir -p $LINKS_PARENT

            fi

        fi

        # Verify missing link that already exists as regular file. If

        # a regular file exists with the same name of a required link,

        # warn the user about it and continue with the next file in

        # the list of missing links that need to be installed.

        cli_checkFiles ${LINKS[$ID]} 'f' '' '--quiet'

        if [[ $? -eq 0 ]];then

            WARNING=" (`gettext "Already exists as regular file."`)"

            cli_printMessage "${LINKS[$ID]}${WARNING}" 'AsResponseLine'

            continue

        fi

        # Create symbolic link.

        ln -s ${TARGETS[$ID]} ${LINKS[$ID]}

    done

}