do_rsync

#!/bin/bash

# Written by Turbo Fredriksson <turbo.fredriksson@elits.se>
# Version 1.1 (20110325)

#set -e

DRYRUN=""
SHOW=""
VERBOSE=""
DELETE=""
DEEP=""
SSH=""
LOOP=""
LINKS=""
ONE_FS=""

SCRIPT_DIR=`dirname $0`
START_DIR=`pwd`

function help {
   echo "Usage: `basename $0` [option] <[[username@]SourceIP:]SourceDir>... <[[username@]SourceIP:]DestinationDir>"
   echo "Options: -n, --dry-run         perform a trial run with no changes made"
   echo "         -s, --show            only show full command line to execute"
   echo "         -d, --delete          receiver deletes during xfer, not before"
   echo "         -D, --deep            skip based on checksum, not mod-time & size"
   echo "         -l, --loop            run within a loop - do unlimited retries"
   echo "         -v, --verbose         show progress during transfer"
   echo "         -L, --copy-links      transform symlink into referent file/dir"
   echo "         -x, --one-file-system Do not traverse sub filesystems"
   exit 1
}

# -------------------------
# Check/Get parameters
TEMP=`getopt -o n,s,d,D,l,v,h,L,x --long dry-run,show,delete,deep,loop,verbose,help,copy-links,one-file-system -- "$@"`
eval set -- "$TEMP"
while true; do
    case "$1" in
      	-n|--dry-run)
	    DRYRUN="--dry-run"
	    shift
	    ;;
	-s|--show)
	    SHOW=1
	    shift
	    ;;
	-d|--delete)
	    DELETE="--delete-during"
	    shift
	    ;;
	-D|--deep) 
	    DEEP="--checksum"
	    shift
	    ;;
	-l|--loop)
	    LOOP=1
	    shift
	    ;;
	-v|--verbose)
	    VERBOSE="--verbose"
	    shift
	    ;;
	-h|--help)
	    help
	    ;;
	-L|--copy-links)
	    LINKS="--copy-links"
	    shift
	    ;;
	-x|--one-file-system)
	    ONE_FS="--one-file-system"
	    shift
	    ;;
	--)
	    shift

	    [ -z "$1" -o -z "$2" ] && help

	    SOURCES=""
	    while [ -n "$1" ]; do
		    if [ -z "$2" ]; then
			    DEST="$1"
			    break
		    else
#			    s=`echo "$1" | sed 's@/$@@'`
#			    SOURCES="$SOURCES \"$s\""
			    SOURCES="$SOURCES \"$1\""
			    shift
		    fi
	    done

	    break
	    ;;
	*) echo "Internal error!"; exit 1;;
    esac
done

[ -z "$SOURCES" -a -z "$DEST" ] && help
if echo "$SOURCES" | grep -q ':'; then
    #SSH="--rsh=ssh --no-motd"
    SSH="--no-motd -e 'ssh -c arcfour'"
else
    if echo "$DEST" | grep -q ':'; then
	#SSH="--rsh=ssh --no-motd"
	SSH="--no-motd -e 'ssh -c arcfour'"
    else
	# Not a remote dir - create it if it doesn't exist
	DEST="`echo \"$DEST\" | sed 's@/$@@'`"
	[ ! -d "$DEST" ] && mkdir -p "$DEST"
    fi
fi

# Ignore stuff that shouldn't be on transfered to the destination
if [ -f "$SCRIPT_DIR/do_rsync.exclude" ]; then
    EXCLUDE="--exclude-from=$SCRIPT_DIR/do_rsync.exclude"
fi

# -------------------------
# Setup commandline options
# --whole-file 
RSYNC="rsync --links --perms --times --owner --group --devices --specials" # => '-a'
RSYNC="$RSYNC --archive --update --numeric-ids --timeout=120 --compress-level=5" # --archive => -rlptgoD
RSYNC="$RSYNC --sparse --hard-links --whole-file $DEEP $DELETE $EXCLUDE $SSH $DRYRUN "
RSYNC="$RSYNC $VERBOSE $LINKS $ONE_FS"

if [ -n "$SHOW" ]; then
    echo "$RSYNC $SOURCES $DEST"
else
    # Do the rsync...
    if [ -n "$LOOP" ]; then
	while ! eval $RSYNC $SOURCES $DEST 2>&1; do
	    echo "sleeping..."
	    sleep 5
	done
    else
	eval $RSYNC $SOURCES $DEST 2>&1
    fi
fi

exit 0