sincro7

#!/bin/bash

CONFIGFILE="fud.conf"
FILELIST="files.list"
LOGFILE="fud.log"

#Colors
RED="\e[1;31m" #Red
GREEN="\e[1;32m" #Green
YELLOW="\e[1;33m" #Yellow
RESET="\e[0m" #Reset!

# NOTA DA RIMUOVERE: questa è una semplice funzione di stampa. Per ora non fa nulla di particolarmente straordinario, ma potrebbe essere utilizzata più in là per sopprimere agevolmente l'output nel terminale, se passata un'opzione come -silent
# Print on screen
printScreen() { echo -e $1; }

# Test if software installation and server connection are ok
testStuff () {
    # Check if files.list exists
    if [[ ! -e $FILELIST ]]; then
        printScreen $RED"Error: "$RESET"create and set $FILELIST first, then restart the script";
        exit 1
    fi

    # Check if mount point s avaible
    if [[ ! -e /mnt/fud ]]; then
        printScreen $RED"Error: "$RESET"mount point /mnt/fud is not available. Type \`mkdir -p /mnt/fud\` as root first, then restart this script";
        exit 1
    fi

    # Check if inotify is installed
    if ! which inotifywait &> /dev/null; then
        printScreen $RED"Error: "$RESET"install inotify-tools first, then restart this script"
        exit 1
    fi

    # Check if unison is installed
    if ! which unison &> /dev/null; then
        printScreen $RED"Error: "$RESET"install unison first, then restart this script";
        exit 1
    fi

    # Check if you are in the fuse group
    if ! groups | grep "fuse" &> /dev/null; then
        printScreen $RED"Error: "$RESET"you're not in the fuse group. Type \`newgrp fuse\` first, then restart this script";
        exit 1
    fi

    #Check for ssh connection
    if [ "$METHOD" == "ssh" ]; then
        # Check if sshfs is installed
        if ! which sshfs &> /dev/null; then
            printScreen $RED"Error: "$RESET"install sshfs first, then restart this script";
            exit 1
        fi
        # Try to mount the remote directory with sshfs and verify
        if ! sshfs $USER@$SERVER:$RPATH /mnt/fud -p $PORT -C &> /dev/null; then
            printScreen $RED"Error: "$RESET"impossible to login to ssh server. Check your server configuration first, then restart the script"
            exit 1
        fi
    # Check for ftp connection
    elif [ "$METHOD" == "ftp" ]; then
        # Check if curlftpfs is installed
        if ! which curlftpfs &> /dev/null; then
            printScreen $RED"Error: "$RESET"install curlftpfs first, then restart this script";
            exit 1
        fi
        # Try to mount the remote directory with curlftpfs and verify
        if ! curlftpfs $SERVER:$PORT/$RPATH /mnt/fud -o user=$USER:$PWD -o allow_other; then
            printScreen $RED"Error: "$RESET"impossible to login to ftp server. Check your server configuration first, then restart the script"
            exit 1
        fi
    fi
}

# Read files.list and set LPATH and LPATHOPTION variables
readSources() {
        # Instantiate variables
        LPATH=""
    LPATHOPTION=""
    # Read files.list
        while read line; do

        # Check if files.list exists
        if [ -e "$HOME/$line" ]; then
            # Append to variables each path indicated
            LPATH="$LPATH$HOME/$line ";
                LPATHOPTION=$LPATHOPTION"-path "$line" ";
            echo $LPATH
            echo
            echo $LPATHOPTION
        else
            printScreen $RED"Error: "$RESET"source $line doesn't exists. Check your $FILELIST first, then restart the script";
            exit 1
        fi
        done < $FILELIST
    # Now the LPATH variable contains all path indicated and the LPATHOPTION variable contains all path with the -path options, so it can be used as option with unison
    # Example:
    # LPATH:    "/home/user/dir1 /home/user/dir2"
    # LPATHOPTIONS: "-path /home/user/dir1 -path /home/user/dir2"
}

# Start
syncDir() {
    OUTPUT=$(unison $HOME /mnt/fud $LPATHOPTION -logfile $LOGFILE $boptions -batch -auto -terse -confirmbigdel="false" 2>&1)
    SYNCFILES=$(echo `expr match "$OUTPUT" '.*\(([0-9]* item[s]* transferred\)'` | sed -n "s/(//g;s/item[s]* transferred//g;/[0-9]*/p")

    if [[ "$SYNCFILES" -ge "1" ]]; then
        if [[ "$SYNCFILES" -eq "1" ]]; then
            MESSAGE="$SYNCFILES file have been synchronized"
        elif [[ "$SYNCFILES" -gt "1" ]]; then
            MESSAGE="$SYNCFILES files have been synchronized"
        fi

        notify-send --icon=/usr/share/app-install/icons/fud.png "$MESSAGE"
    fi
}

# SCRIPT STARTS HERE
# Check if config file exists
if [[ -e $CONFIGFILE ]]; then
    # Include config file
    source $CONFIGFILE
    # Perform test
    testStuff
    # Read source-files.list
    readSources
    # Finally, sync dirs
    syncDir
    while inotifywait -r -e modify -e create -e move -e delete $LPATH &> /dev/null; do
        syncDir
    done
    exit 0
# If config file doesn't exists
else
    printScreen $RED"Error: "$RESET"create and set "$FILELIST" first, then restart the script";
    exit 1
fi