#!/bin/sh
#-----------------------------------------------------------------------------
# /var/install/bin/unison-tools-manual
#
# Copyright (c) 2005 Daniel Vogel <daniel_vogel(at)t-online(dot)de>
#
# Creation:     05.07.2005 dv
# Last Update:  $Id$
#
# 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.
#-----------------------------------------------------------------------------

#include eislib
. /var/install/include/eislib

. /etc/config.d/unison

PROG=/usr/bin/unison
INDEX=$1
MANUAL="false"

export UNISON=/var/lib/unison


mail_result()
{
    if [ -f /usr/sbin/sendmail ]
    then
        if [ -f /etc/config.d/mail ]
        then
            . /etc/config.d/mail
            smtp_qualify_domain="$SMTP_QUALIFY_DOMAIN"
        elif [ -f /var/install/config.d/vmail.sh ]
        then
            smtp_qualify_domain=$(/var/install/config.d/vmail.sh getdomain)
        else
            smtp_qualify_domain="$HOSTNAME"
        fi

        {
            echo "From: Unison <unison@${smtp_qualify_domain}>"
            echo "To: Unison admin <$3>"
            echo "Subject: Unison: $1 of \"$2\" on \"$(hostname)\""
            echo

            if [ -f /tmp/unison-pre-$$.log ]
            then
                cat /tmp/unison-pre-$$.log
            fi
            if [ -f /tmp/unison-$$.log ]
            then
                cat /tmp/unison-$$.log
            fi
            if [ -f /tmp/unison-post-$$.log ]
            then
                cat /tmp/unison-post-$$.log
            fi
            echo "."
        } | \
        /usr/sbin/sendmail "$3"
    fi
}


if [ "$INDEX" == "" ]
then
    if [ "$UNISON_DIR_N" == '0' ]
    then
        mecho ""
        mecho -error "Error: No replication directory configured!"
        mecho ""
        exit 1
    fi

    mecho ""
    mecho -info "Select directory to synchronize"
    mecho ""

    techo begin 4 22 25 25
    techo row -info No -info Host -info Local-Dir -info Remote-Dir 
    idx="1"
    while [ "$idx" -le "$UNISON_DIR_N" ]
    do
        eval netsync='$UNISON_DIR_'$idx'_NETSYNC'
        eval host='$UNISON_DIR_'$idx'_HOST'
        eval localdir='$UNISON_DIR_'$idx'_LOCAL'
        eval remotedir='$UNISON_DIR_'$idx'_REMOTE'

        remotedir=$(echo "$remotedir" | sed 's/\\/\\\\/g')

        if [ "$netsync" == "yes" ]
        then
           techo row "$idx" "$host" "$localdir" "$remotedir"
        else
           techo row "$idx" "(local)" "$localdir" "$remotedir"
        fi

        idx=`/usr/bin/expr $idx + 1` 
    done
    techo end

    idx="1"
    mecho
    idx=`/var/install/bin/ask "Select (0 = cancel)" "$idx" "0-$UNISON_DIR_N"`

    if [ "$idx" -eq 0 ]
    then
        mecho ""
        mecho -info "Selection canceled!"
        mecho ""
        exit 0
    fi

    PROFILE="replica$idx"
    RUN="$PROG $PROFILE -auto"
    eval PRESCRIPT='$UNISON_DIR_'$idx'_PRERUN'
    eval POSTSCRIPT='$UNISON_DIR_'$idx'_POSTRUN'
    MANUAL="true"

    mecho ""
    mecho -info "Manual synchronisation started..."
else
    PROFILE="replica$INDEX"
    eval PRESCRIPT='$UNISON_DIR_'$INDEX'_PRERUN'
    eval POSTSCRIPT='$UNISON_DIR_'$INDEX'_POSTRUN'

    RUN="$PROG $PROFILE -batch"
fi


if [ "$MANUAL" == "true" ]
then
    {
    echo ""
    echo "-----------------------------------------------------------------------"
    echo "Unison manual synchronisation started $(date)"
    echo "-----------------------------------------------------------------------"
    } > /tmp/unison-header-$$.log

    # execute pre script
    if [ ! -z "$PRESCRIPT" ]
    then
        ${PRESCRIPT} 2>> /tmp/unison-header-$$.log >> /tmp/unison-header-$$.log
        if [ "$?" != "0" ]
        then
            echo "failed to execute: ${PRESCRIPT}"
            echo "failed to execute: ${PRESCRIPT}" >> /tmp/unison-header-$$.log
            exit 1
        fi
    fi

    $RUN -logfile /tmp/unison-$$.log
    unison_err="$?"

    if [ -f /tmp/unison-header-$$.log ]
    then
        cat /tmp/unison-header-$$.log >> /var/log/unison.log
        rm -f /tmp/unison-header-$$.log
    fi

    if [ "$unison_err" == "0" ]
    then
        if [ -f "/tmp/unison-$$.log" ]
        then
            cat /tmp/unison-$$.log >> /var/log/unison.log
            rm -f /tmp/unison-$$.log
        else
            {
            echo ""
            echo "No differences where found. Directories are identical!"
            echo ""
            } >> /var/log/unison.log
        fi
        result='0'
    else
        echo "Unison terminated with exit code \"$?\"!" >> /var/log/unison.log
        if [ -f "/tmp/unison-$$.log" ]
        then
            cat /tmp/unison-$$.log >> /var/log/unison.log
            rm -f /tmp/unison-$$.log
        fi
        result='1'
    fi

    # execute post script
    if [ ! -z "$POSTSCRIPT" ]
    then
        ${POSTSCRIPT} 2>> /var/log/unison.log >> /var/log/unison.log
        if [ "$?" != "0" ]
        then
            echo "failed to execute: $POSTSCRIPT"
            echo "failed to execute: $POSTSCRIPT" >> /var/log/unison.log
        fi
    fi

    anykey
    exit "$result"
else
    error='0'
    unison_err='0'
    {
    echo ""
    echo "-----------------------------------------------------------------------"
    echo "Unison automatic synchronisation started $(date)"
    echo "-----------------------------------------------------------------------"
    } > /tmp/unison-header-$$.log

    if [ ! -z "$PRESCRIPT" ]
    then
        echo "" > /tmp/unison-pre-$$.log
        ${PRESCRIPT} 2>> /tmp/unison-pre-$$.log >> /tmp/unison-pre-$$.log
        if [ "$?" != "0" ]
        then
            echo "failed to execute: $PRESCRIPT" >> /tmp/unison-pre-$$.log
            error='1'
        fi
    fi

    if [ "$error" == "0" ]
    then
        $RUN -silent -logfile /tmp/unison-$$.log > /dev/null 2> /dev/null
        if [ "$?" != "0" ]
        then
            unison_err="$?"
            error='1'
        fi

        # execute post script
        if [ ! -z "$POSTSCRIPT" ]
        then
            echo "" > /tmp/unison-post-$$.log
            ${POSTSCRIPT} 2>> /tmp/unison-post-$$.log >> /tmp/unison-post-$$.log
            if [ "$?" != "0" ]
            then
                echo "failed to execute: $POSTSCRIPT" >> /tmp/unison-post-$$.log
                error='1'
            fi
        fi
    fi

    if [ -f /tmp/unison-header-$$.log ]
    then
        cat /tmp/unison-header-$$.log >> /var/log/unison.log
    fi
    if [ -f /tmp/unison-pre-$$.log ]
    then
        cat /tmp/unison-pre-$$.log >> /var/log/unison.log
    fi

    if [ "$error" == "0" ]
    then
        if [ -f "/tmp/unison-$$.log" ]
        then
            if [ "$UNISON_MAIL_NOTIFY" == "yes" -a "$UNISON_MAIL_ONERROR" == "no" ]
            then
                mail_result "SUCCESS" "$PROFILE.prf" "$UNISON_MAIL_ADDR"
            fi

            cat /tmp/unison-$$.log >> /var/log/unison.log
        else
            {
            echo ""
            echo "No differences where found. Directories are identical!"
            echo ""
            } >> /var/log/unison.log
        fi

        if [ -f /tmp/unison-post-$$.log ]
        then
            cat /tmp/unison-post-$$.log >> /var/log/unison.log
        fi

        rm -f /tmp/unison-$$.log
        rm -f /tmp/unison-pre-$$.log
        rm -f /tmp/unison-post-$$.log
        rm -f /tmp/unison-header-$$.log

        exit 0
    else
        if [ "$unison_err" != '0' ]
        then
            echo "Unison terminated with exit code \"$unison_err\"!" >> /var/log/unison.log
        fi

        if [ -f "/tmp/unison-$$.log" ]
        then
            if [ "$UNISON_MAIL_NOTIFY" == "yes" ]
            then
                mail_result "ERROR" "$PROFILE.prf" "$UNISON_MAIL_ADDR"
            fi

            cat /tmp/unison-$$.log >> /var/log/unison.log
        fi

        if [ -f /tmp/unison-post-$$.log ]
        then
            cat /tmp/unison-post-$$.log >> /var/log/unison.log
        fi

        rm -f /tmp/unison-$$.log
        rm -f /tmp/unison-pre-$$.log
        rm -f /tmp/unison-post-$$.log
        rm -f /tmp/unison-header-$$.log

        # return exit code 0 to prevent cron from mailing it's output
        # since we already did the user notification ourselfs
        exit 0
    fi
fi