Simple automatic deployment in bash using: git, ssh

deploy

#!/bin/bash
# dependence: apt-get install sshpass

#config
PROJECT_NAME='pugce'
HOST="localhost"
PORT=2222
BRANCH="master"
LOCAL_PATH='/home/fabio/sandbox/pugce/'
REMOTE_PATH='/home/pollux/pugce'
read -p "user: " USER
read -sp "password: " PASSWORD

#helpers
remote_cmd() {
    CMD="$*"
    echo $USER@$HOST: $CMD
    sshpass -p $PASSWORD ssh -p $PORT $USER@$HOST "$CMD" 
}

# deploy
#backup 
REMOTE_PATH_BKP=$REMOTE_PATH.`date +%Y%m%d_%H%M%S`
remote_cmd mv $REMOTE_PATH $REMOTE_PATH_BKP

#extract git files
TMP_PATH=/tmp/$PROJECT_NAME.`date +%Y%m%d_%H%M%S`
mkdir $TMP_PATH
git archive $BRANCH | tar -x -C $TMP_PATH

#replace something with sed here

#copy $TMP_PATH to remote path
sshpass -p $PASSWORD scp -P $PORT -Cr $TMP_PATH $USER@$HOST:$REMOTE_PATH 
#remove local copy
rm -Rf $TMP_PATH

# test it here and do automatic rollback if necessary
# ...