#!/bin/bash

#

# svn_updateRepoChanges.sh -- This function realizes a subversion

# update command against the working copy in order to bring changes

# from the central repository into the working copy.

#

# 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 svn_updateRepoChanges {

    local -a FILES

    local -a INFO

    local -a FILESNUM

    local COUNT=0

    local UPDATEOUT=''

    local PREDICATE=''

    local CHNGTOTAL=0

    local LOCATION=$(cli_checkRepoDirSource "$1")

    # Verify source location absolute path. It should point either to

    # existent files or directories both under version control inside

    # the working copy.  Otherwise, if it doesn't point to an existent

    # file under version control, finish the script execution with an

    # error message.

    cli_checkFiles ${LOCATION} -e --is-versioned

    # Update working copy and retrieve update output.

    cli_printMessage "`gettext "Bringing changes from the repository into the working copy"`" --as-banner-line

    UPDATEOUT=$(${SVN} update ${LOCATION} --quiet)

    # Define path of files considered recent modifications from

    # central repository to working copy.

    FILES[0]=$(echo "$UPDATEOUT" | egrep "^A" | sed -r "s,^.+${TCAR_WORKDIR},,")

    FILES[1]=$(echo "$UPDATEOUT" | egrep "^D" | sed -r "s,^.+${TCAR_WORKDIR},,")

    FILES[2]=$(echo "$UPDATEOUT" | egrep "^U" | sed -r "s,^.+${TCAR_WORKDIR},,")

    FILES[3]=$(echo "$UPDATEOUT" | egrep "^C" | sed -r "s,^.+${TCAR_WORKDIR},,")

    FILES[4]=$(echo "$UPDATEOUT" | egrep "^G" | sed -r "s,^.+${TCAR_WORKDIR},,")

    # Define description of files considered recent modifications from

    # central repository to working copy.

    INFO[0]="`gettext "Added"`"

    INFO[1]="`gettext "Deleted"`"

    INFO[2]="`gettext "Updated"`"

    INFO[3]="`gettext "Conflicted"`"

    INFO[4]="`gettext "Merged"`"

    while [[ $COUNT -ne ${#FILES[*]} ]];do

        # Define total number of files. Avoid counting empty line.

        if [[ "${FILES[$COUNT]}" == '' ]];then

            FILESNUM[$COUNT]=0

        else

            FILESNUM[$COUNT]=$(echo "${FILES[$COUNT]}" | wc -l)

        fi

        # Calculate total amount of changes.

        CHNGTOTAL=$(($CHNGTOTAL + ${FILESNUM[$COUNT]}))

        # Build report predicate. Use report predicate to show any

        # information specific to the number of files found. For

        # example, you can use this section to show warning messages,

        # notes, and so on. By default we use the word `file' or

        # `files' at ngettext's consideration followed by change

        # direction.

        PREDICATE[$COUNT]=`ngettext "file from the repository" \

            "files from the repository" $((${FILESNUM[$COUNT]} + 1))`

        # Output report line.

        cli_printMessage "${INFO[$COUNT]}: ${FILESNUM[$COUNT]} ${PREDICATE[$COUNT]}" --as-stdout-line

        # Increase counter.

        COUNT=$(($COUNT + 1))

    done

}