#!/bin/bash

#

# cli_commitRepoChanges.sh -- This function looks for revision changes

# inside absolute path passed as action value and ask you to commit

# them up to central repository. Use this function before or after

# whatever function that makes changes to files inside the working

# copy. It is better to commit small changes than long ones.

#

# 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 cli_commitRepoChanges {

    local -a FILES

    local -a INFO

    local -a FILESNUM

    local COUNT=0

    local UPDATEOUT=''

    local PREDICATE=''

    local LOCALFILES=''

    local CHNGDIRECTION=''

    local CHNGTOTAL=0

    local LOCATION=''

    # If the first argument is provided to cli_commitRepoChanges is a

    # valid regular file or directory, use the first argument as path

    # location to work with. If first argument is not a file, nor a

    # directory, or simply is not provided, the ACTIONVAL variable

    # default value is used instead.

    if [[ -f "$1" || -d "$1" ]];then

        LOCATION="$1"

    else

        LOCATION="$ACTIONVAL"

    fi

    # Update working copy.

    echo '----------------------------------------------------------------------'

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

    UPDATEOUT=$(svn update ${LOCATION})

    # Check working copy status.

    cli_printMessage "`gettext "Checking changes in the working copy"`" 'AsResponseLine'

    STATUSOUT=$(svn status ${LOCATION})

    echo '----------------------------------------------------------------------'

    # Define path of files considered recent modifications from

    # central repository to working copy.

    FILES[0]=$(echo "$UPDATEOUT" | egrep '^A' | cut -d' ' -f7)

    FILES[1]=$(echo "$UPDATEOUT" | egrep '^D' | cut -d' ' -f7)

    FILES[2]=$(echo "$UPDATEOUT" | egrep '^U' | cut -d' ' -f7)

    FILES[3]=$(echo "$UPDATEOUT" | egrep '^C' | cut -d' ' -f7)

    FILES[4]=$(echo "$UPDATEOUT" | egrep '^G' | cut -d' ' -f7)

    # Define path fo files considered recent modifications from

    # working copy up to central repository.

    FILES[5]=$(echo "$STATUSOUT" | egrep '^M' | cut -d' ' -f7)

    FILES[6]=$(echo "$STATUSOUT" | egrep '^\?' | cut -d' ' -f7)

    FILES[7]=$(echo "$STATUSOUT" | egrep '^D' | cut -d' ' -f7)

    FILES[8]=$(echo "$STATUSOUT" | egrep '^A' | cut -d' ' -f7)

    # 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"`"

    # Define description of files considered recent modifications from

    # working copy up to central repository.

    INFO[5]="`gettext "Modified"`"

    INFO[6]="`gettext "Unversioned"`"

    INFO[7]=${INFO[1]}

    INFO[8]=${INFO[0]}

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

        # Get 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.

        if [[ ${FILESNUM[$COUNT]} -lt 1 ]];then

            PREDICATE[$COUNT]=`gettext "file"`

        else

            PREDICATE[$COUNT]=`ngettext "file" "files" ${FILESNUM[$COUNT]}`

        fi

        # Redefine report predicate to add direction of changes.

        if [[ $COUNT -le 4 ]]; then

            # Consider recent modifications from central repository

            # down to working copy.

            CHNGDIRECTION="`gettext "from the repository."`"

        elif [[ $COUNT -gt 4 ]];then

            # Consider recent modifications from working copy up to

            # central repository.

            CHNGDIRECTION="`gettext "from the working copy."`"

        fi

        # Redefine report predicate using change direction.

        PREDICATE[$COUNT]="${PREDICATE[$COUNT]} ${CHNGDIRECTION}"

        # Output report line.

        cli_printMessage "${INFO[$COUNT]}: ${FILESNUM[$COUNT]} ${PREDICATE[$COUNT]}" 'AsRegularLine'

        # Increase counter.

        COUNT=$(($COUNT + 1))

    done

    echo '----------------------------------------------------------------------'

    # Check total amount of changes. If there is no change, there is

    # nothing more to do here except to return flow control to this

    # function caller.

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

       return 0 

    fi

    # In case new unversioned files exist, ask user to add them into

    # the repository. This may happen when new documentation entries

    # are created.

    if [[ ${FILESNUM[6]} -gt 0 ]];then

        cli_printMessage "`ngettext "The following file is unversioned" \

            "The following files are unversioned" ${FILESNUM[6]}`:"

        for FILE in ${FILES[6]};do

            cli_printMessage $FILE 'AsResponseLine'

        done

        cli_printMessage "`ngettext "Do you want to add it now?" \

            "Do you want to add them now?" ${FILESNUM[6]}`" 'AsYesOrNoRequestLine'

        svn add "${FILES[6]}"

    fi

    # Reset counter.

    COUNT=0

    # Unify local changes into a common variable so common actions can

    # be applied to them.

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

        LOCALFILES="$LOCALFILES ${FILES[$COUNT]}"

        COUNT=$(($COUNT + 1 ))

    done

    # Check list of changed files. If there are changes in the working

    # copy, ask the user to verify, and later, commit them up to

    # central repository.

    if [[ $LOCALFILES != '' ]];then

        # Verify changes.

        cli_printMessage "`gettext "Do you want to see changes now?"`" "AsYesOrNoRequestLine"

        svn diff $LOCALFILES | less

        # Commit changes.

        cli_printMessage "`gettext "Do you want to commit changes now?"`" "AsYesOrNoRequestLine"

        svn commit $LOCALFILES

    fi

}