A script to listen for local file changes and push them to a remote server

ssh_config

# The contents of this file go in ~/.ssh/config

ControlMaster auto
ControlPath ~/.ssh/sockets/%h_%p_%r
ControlPersist yes
TCPKeepAlive yes

# try to keep connections open for four hours (adjust as you see fit)
ServerAliveInterval 4
ServerAliveCountMax 1

sync.sh

#!/bin/bash

REMOTE_USER=garrett
REMOTE_HOST=remotehostname
REMOTE_FOLDER=/var/www/projectX
LOCAL_FOLDER=/code/_release/projectX

cd $LOCAL_FOLDER
inotifywait \
  -mqre close_write \
  -e delete \
  --format "%:e %w %f" ./ \
  | while read -r event path newfile

echo "listening for changes..."
do
  if [[ $newfile =~ .*~|.*git.*|\.swp.* ]]; then
    continue
  fi
  if [[ $event == *DELETE* ]]; then
    echo "rm $path$newfile" | sftp -b - $REMOTE_USER@$REMOTE_HOST:$REMOTE_FOLDER
  fi

  if [[ $event == *CLOSE_WRITE* ]]; then
    echo "cd $path 
put $path$newfile" | sftp -b - $REMOTE_USER@$REMOTE_HOST:$REMOTE_FOLDER
  fi

done

usage

mkdir -p ~/.ssh/sockets/
mkdir -p ~/.bin/
cd ~/.bin/
wget https://gist.githubusercontent.com/gbluma/bb5caca203ac8b4b11f4/raw/2032750c1eccd097dbd48d13cb134b202dfc81b9/sync.sh
chmod +x ~/.bin/sync.sh
# edit sync.sh as appropriate

# initialize connection (auth, etc.) and drop out of shell 
ssh myremotehost
> exit
# session remains active

# activate monitor/syncing
~/.bin/sync.sh

# work in other window.
# on save => change will be detected & uploaded via SFTP to remote destination.