Install git: opkg install git

mkdir /media/Main/opt/usr/adblock && /opt/bin/git clone git://github.com/Kalekulan/Router.git /media/Main/opt/usr/adblock && bash -x /media/Main/opt/usr/adblock/AdblockScript.sh && rm -r /media/Main/opt/usr/adblock

targetDir=/media/Main/opt/usr/adblock
logPath=/opt/var/log/startupScript.log
timestamp=$(date +'%Y%m%d-%H%M')

echo -e "$timestamp\n" >> $logPath
mkdir $targetDir >> $logPath
/opt/bin/git clone --progress git://github.com/Kalekulan/Router.git /media/Main/opt/usr/adblock 2>> $logPath
bash -x $targetDir/AdblockScript.sh >> $logPath
rm -r $targetDir
echo "****************************************************" >> $logPath