Remote shell commands execution

remote.sh

## ssh remoteserver.com 'bash -s' < commands.sh
#
## commands.sh example

sudo su
cd /web/remoteserver.com/

git remote update
LOCAL=$(git rev-parse @)
REMOTE=$(git rev-parse @{u})
BASE=$(git merge-base @ @{u})

if [ $LOCAL = $REMOTE ]; then
    echo "Up-to-date - ok"
elif [ $LOCAL = $BASE ]; then
    echo "Need to pull..."
        git pull
        /etc/init.d/ghost restart
elif [ $REMOTE = $BASE ]; then
    echo "Need to push on server."
else
    echo "Diverged"
fi