manageAndroidRsyncServer

#!/usr/bin/env zsh

function checkDependency
{
	echo -n "$1 available on \$PATH: ";
	command -V "$1" >/dev/null 2>&1  && 
  	(print -P "%F{green}YES%f"; true) || 
        (print -P "%F{red}NO%f"; false)
}

function copy2AndroidTmp
{
	adb shell cp $1 /data/local/tmp/
}

function push2AndroidSDBin
{
	adb push $1 /sdcard/bin/$1
}

function setExecPermissions
{
	adb shell chmod 755 $1
}

function createRSyncConfigFile
{
	adb shell [ -f "/sdcard/etc/rsyncd.conf" ] ||
	(adb shell mkdir -p /sdcard/etc &&
	 adb shell 'exec >/sdcard/etc/rsyncd.conf && 
	  	    echo address = 127.0.0.1 && 
                    echo port = 1873 && 
                    echo "[root]" && 
                    echo path = / && 
                    echo use chroot = false && 
                    echo read only = false') || (echo "Config file could not be created"; exit 1)
}

function prepareRSyncBinary
{
	( adb shell [ -f "/sdcard/bin/rsync" ] || 
	( wget -O rsync http://github.com/pts/rsyncbin/raw/master/rsync.rsync4android &&
	push2AndroidSDBin rsync ) && 
	copy2AndroidTmp /sdcard/bin/rsync && 
	setExecPermissions /data/local/tmp/rsync) || (echo "Failed to prepare Rsync binary file"; exit 1)
}

function checkingDependencies
{
	dependencies=('adb' 'wget')
	MISSING=0

	for dep in $dependencies; do checkDependency $dep || let MISSING+=1; done

	[ "$MISSING" -ne "0" ] && exit 1
}

function prepareRSyncBinaryAndConfig
{
	prepareRSyncBinary	
	createRSyncConfigFile	
}

function startRSyncDaemon
{	
	checkingDependencies
	prepareRSyncBinaryAndConfig
	
	adb forward tcp:6010 tcp:1873
	adb shell -t -t /data/local/tmp/rsync --daemon --no-detach --config=/sdcard/etc/rsyncd.conf --log-file=/proc/self/fd/2 &
}


( adb shell ps -A | grep rsync &> /dev/null || startRSyncDaemon ) && echo "RSync server up and running"

#rsync -av --progress --stats rsync://localhost:6010/root/$1 $2