#!/bin/bash

#

# manual_deleteEntry.sh -- This function removes a documentation entry

# from your working copy documentation structure.

#

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

# USA.

# 

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

# $Id$

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

function manual_deleteEntry {

    # Define variables as local to avoid conflicts outside.

    local ENTRIES=''

    local LOCATION=''

    # Check if the entry has been already removed.

    cli_checkFiles $ENTRY 'f'

    # Define entries. Start with the one being processed currently.

    ENTRIES=$ENTRY

    # Define root location to look for entries.

    LOCATION=$(echo $ENTRY | sed -r 's!\.texi$!!')

    # Redefine location to match the chapter's root directory. This

    # applies when you try to remove the whole chapter from the

    # working copy (e.g., centos-art manual --delete=/home/centos/artwork/trunk/).

    if [[ $ENTRY =~ "${MANUALS_FILE[7]}$" ]];then

        LOCATION=$(dirname "$ENTRY")

    fi

    # Look for dependent entries. In this context, dependent entries

    # are all files ending in .texi which have a directory name that

    # matches the file name (without .texi extension) of the entry

    # being processed currently. See LOCATION default definition

    # above.  If location directory doesn't exist it is probably

    # because there is no dependent entries.

    if [[ -d $LOCATION ]];then

        for ENTRY in $(find $LOCATION -name '*.texi');do

            ENTRIES="$ENTRIES $ENTRY $(dirname "$ENTRY")"

        done

    fi

    # Remove duplicated lines from entries list.

    ENTRIES=$(echo "$ENTRIES" | tr ' ' "\n" | sort -r | uniq)

    # Print action preamble.

    cli_printActionPreamble "$ENTRIES" 'doDelete' 'AsResponseLine'

    # Redefine ENTRY using affected entries as reference.

    for ENTRY in $ENTRIES;do

        # Verify entry inside the working copy. 

        if [[ $(cli_getRepoStatus "$ENTRY") =~ '^(\?)?$' ]];then

            # Print action message.

            cli_printMessage "$ENTRY" "AsDeletingLine"

        else

            # Do not remove a versioned documentation entry with

            # changes inside. Print a message about it and stop script

            # execution instead.

            cli_printMessage "`gettext "There are changes that need to be committed first."`" 'AsErrorLine'

            cli_printMessage "$(caller)" 'AsToKnowMoreLine'

        fi

        # Remove documentation entry. At this point, documentation

        # entry can be under version control or not versioned at all.

        # Here we need to decide how to remove documentation entries

        # based on whether they are under version control or not.

        if [[ "$(cli_getRepoStatus "$ENTRY")" == '' ]];then

            # Documentation entry is under version control and there

            # is no change to be committed up to central repository.

            # We are safe to schedule it for deletion.

            svn del "$ENTRY" --quiet

        elif [[ "$(cli_getRepoStatus "$ENTRY")" == '?' ]];then

            # Documentation entry is not under version control, so we

            # don't care about changes inside it. If you say

            # centos-art.sh script to remove an unversion

            # documentation entry it will do so, using convenctional

            # `rm' command.

            rm -r "$ENTRY"

        fi

        # Remove entry on section's menu and nodes to reflect the

        # fact that documentation entry has been removed.

        manual_updateMenu "remove-entry"

        manual_updateNodes

        # Remove entry cross references from documentation manual.

        manual_deleteCrossReferences

    done

    # Update chapter's menu and nodes in the master texinfo document.

    # This is mainly applied when one of the chapters (e.g., trunk/,

    # tags/, or branches/) is removed.

    if [[ ! -d $ENTRYCHAPTER ]];then

        manual_updateChaptersMenu 'remove-entry'

        manual_updateChaptersNodes

    fi

}