dirsync

#!/bin/bash
# Example script to non-recursively backup an entire directory.
# If files are in-use, a snapshot (ie: via ZFS) should be taken.

# Functions
print_usage() {
	echo "Usage: dirsync <srcdir> <user@dsthost> <dstdir>"
	exit 0
}

# Option parsing
while getopts ":h:q" opt; do
	case $opt in
        q)
          options="-q"
	  ;;
	h)
	  print_usage
  	  ;;
	\?)
	  print_usage
	  ;;
	esac
done
shift $((OPTIND-1))

# Argument parsing
if [ $# -ne 3 ]; then
	print_usage
fi

# Variables
srcdir=`dirname "$1/."`
dstdir=`dirname "$3/."`
dsthost=$2
spaced=false
local_exit_code=0
global_exit_code=0

# Argument checking
echo $srcdir | grep -q "[[:space:]]" && spaced=true
echo $dstdir | grep -q "[[:space:]]" && spaced=true
echo $dsthost | grep -q "[[:space:]]" && spaced=true
$spaced && echo "blocksync does not support path with spaces, exiting..." && exit 1

# Backup
oldIFS=$IFS; IFS=$'\n'
for image in `ls $srcdir`; do
	echo $image | grep -q "[[:space:]]" && spaced=true
	$spaced && global_exit_code=2 && echo "path with spaces are not supported, skipping $image" && continue
	/root/blocksync.py $options -f $srcdir/$image $dsthost $dstdir/$image; local_exit_code=$?
	if [ $local_exit_code -ne 0 ]; then
		global_exit_code=$local_exit_code
	fi
done
IFS=$oldIFS

# Cleanup and exit
exit $global_exit_code