#!/bin/bash

#

# cli_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) 2009-2011 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., 675 Mass Ave, Cambridge, MA 02139, USA.

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

# $Id$

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

function cli_updateRepoChanges {

    # Verify don't commit changes flag.

    if [[ $FLAG_DONT_COMMIT_CHANGES != 'false' ]];then

        return

    fi

    local -a FILES

    local -a INFO

    local -a FILESNUM

    local COUNT=0

    local UPDATEOUT=''

    local PREDICATE=''

    local CHNGTOTAL=0

    local LOCATIONS=''

    # Define source location the subversion update action will take

    # place on. If arguments are provided use them as srouce location.

    # Otherwise use action value as default source location.

    if [[ "$@" != '' ]];then

        LOCATIONS="$@"

    else

        LOCATIONS="$ACTIONVAL"

    fi

    # Verify locations existence. It shoud exist as regular file or

    # directory inside the repository working copy.

    cli_checkFiles "$LOCATIONS" 'fd'

    cli_checkFiles "$LOCATIONS" 'isInWorkingCopy'

    # Outout separator line.

    cli_printMessage '-' 'AsSeparatorLine'

    # Update working copy and retrive update output.

    cli_printMessage "`gettext "Bringing changes from the repository into the working copy"`" 'AsResponseLine'

    UPDATEOUT=$(svn update ${LOCATIONS})

    # Outout separator line.

    cli_printMessage '-' 'AsSeparatorLine'

    # Define path of files considered recent modifications from

    # central repository to working copy.

    FILES[0]=$(echo "$UPDATEOUT" | egrep "^A.+$(cli_getRepoTLDir "${LOCATIONS}").+$" | sed -r "s,^.+($(cli_getRepoTLDir "${LOCATIONS}").+)$,\1,")

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

    FILES[2]=$(echo "$UPDATEOUT" | egrep "^U.+$(cli_getRepoTLDir "${LOCATIONS}").+$" | sed -r "s,^.+($(cli_getRepoTLDir "${LOCATIONS}").+)$,\1,")

    FILES[3]=$(echo "$UPDATEOUT" | egrep "^C.+$(cli_getRepoTLDir "${LOCATIONS}").+$" | sed -r "s,^.+($(cli_getRepoTLDir "${LOCATIONS}").+)$,\1,")

    FILES[4]=$(echo "$UPDATEOUT" | egrep "^G.+$(cli_getRepoTLDir "${LOCATIONS}").+$" | sed -r "s,^.+($(cli_getRepoTLDir "${LOCATIONS}").+)$,\1,")

    # 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]}" 'AsRegularLine'

        # Increase counter.

        COUNT=$(($COUNT + 1))

    done

}