Initial version.

syncd

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+#!/bin/bash
+#------------------------------------------------------------
+# initd script for running services without start-stop-daemon
+# (c) Wolfgang Ziegler, nuppla@zites.net, drunomics GmbH
+#------------------------------------------------------------
+
+# Find config file
+
+CONF_FILE=syncd.conf
+
+while [ ! -e $CONF_FILE ]; do
+  if [ $PWD = "/" ]; then
+    echo "Unable to find syncd configuration file \"$CONF_FILE\"."
+    exit 1
+  else
+    cd ..
+  fi
+done
+
+SYNCD_CONFIG_DIR=$PWD
+SCRIPT=`readlink -f $0`
+DAEMON_NAME=syncd
+LINK=`readlink -f $0`
+SCRIPT_DIR=`dirname $LINK`
+
+. $CONF_FILE
+
+COMMAND="rsync $RSYNC_OPTIONS --exclude=$RSYNC_EXCLUDE --delete $WATCH_DIR/ $SSH_USER@$SSH_HOST:$REMOTE_TARGET_DIR"
+
+case $1 in
+    start)
+      if [ -e ${PIDFILE} ] && ( ps -p `cat $PIDFILE` > /dev/null ); then
+        echo "$DAEMON_NAME is already running."
+        exit 1;
+      fi
+      export WATCH_EXCLUDE
+      export WATCH_VERBOSE
+      export WATCH_DIR
+      $SCRIPT_DIR/watch.sh $COMMAND >> $LOGFILE &
+      echo "$!" > $PIDFILE
+    ;;
+
+    stop)
+      if [ ! -e ${PIDFILE} ] || ( ! ps -p `cat $PIDFILE` > /dev/null ); then
+        echo "$DAEMON_NAME is not running."
+        exit 1;
+      fi
+
+      echo "Stopping $DAEMON_NAME..."
+      PID=`cat $PIDFILE`
+      CHILD_PIDS=$(pgrep -P $PID);
+      kill $PID 2> /dev/null || echo Killing process failed, not running?
+      # Wait half a second and Kill child PIDs to be sure they are gone.
+      sleep 0.5
+      kill $CHILD_PIDS 2> /dev/null
+      rm $PIDFILE
+    ;;
+    restart)
+      $SCRIPT stop
+      $SCRIPT start
+    ;;
+
+    status)
+      if [ -e ${PIDFILE} ] && ( ps -p `cat $PIDFILE` > /dev/null ); then
+          echo "$DAEMON_NAME is running."
+      else
+          echo "$DAEMON_NAME is not running."
+      fi
+    ;;
+
+    run)
+      $COMMAND && echo Done.
+    ;;
+
+    log)
+      tail -f $LOGFILE
+    ;;
+
+    *)
+      echo "Usage: $0 {start|stop|restart|status|run|log}"
+      exit 3
+    ;;
+esac

syncd.conf

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+# Syncd config
+#
+# Variables:
+# - SYNCD_CONFIG_DIR: The directory in which the used syncd.conf is located.
+# - SCRIPT_DIR: The directory the syncd script has been installed to.
+
+# The directory being watched & synced.
+WATCH_DIR=$SYNCD_CONFIG_DIR/your-directory
+
+# Watch-related options
+WATCH_EXCLUDE='(\.git|___jb_)'
+# Whether to enable verbosity. If enabled, change events are output.
+WATCH_VERBOSE=0
+
+# SSH connection settings
+SSH_USER=vagrant
+SSH_HOST=hostname.local
+
+# Sync options
+REMOTE_TARGET_DIR="/var/www"
+RSYNC_EXCLUDE='sites/default/files --exclude files'
+RSYNC_OPTIONS="-Cra --out-format='[%t]--%n' --include core"
+
+# Syncd files
+LOGFILE=".syncd.log"
+PIDFILE=".syncd.pid"

watch.sh

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+#!/bin/bash
+# (c) Wolfgang Ziegler // fago
+#
+# Inotify script to trigger a command on file changes.
+#
+# The script triggers the command as soon as a file event occurs. Events
+# occurring during command execution are aggregated and trigger a single command
+# execution only.
+#
+# Usage example: Trigger rsync for synchronizing file changes.
+# ./watch.sh rsync -Cra --out-format='[%t]--%n' --delete SOURCE TARGET
+#
+# ./watch.sh rsync -Cra --out-format='[%t]--%n' --include core \
+#  --WATCH_EXCLUDE=sites/default/files --delete ../web/ vagrant@d8.local:/var/www
+
+######### Configuration #########
+
+EVENTS="CREATE,CLOSE_WRITE,DELETE,MODIFY,MOVED_FROM,MOVED_TO"
+COMMAND="$@"
+
+## The directory to watch.
+if [ -z "WATCH_DIR" ]; then
+  WATCH_DIR=.
+fi
+
+## WATCH_EXCLUDE Git and temporary files from PHPstorm from watching.
+if [ -z "$WATCH_EXCLUDE" ]; then
+  WATCH_EXCLUDE='(\.git|___jb_)'
+fi
+
+## Whether to enable verbosity. If enabled, change events are output.
+if [ -z "WATCH_VERBOSE" ]; then
+  WATCH_VERBOSE=0
+fi
+
+##################################
+
+if [ -z "$1" ]; then
+ echo "Usage: $0 Command"
+ exit 1;
+fi
+
+##
+## Setup pipes. For usage with read we need to assign them to file descriptors.
+##
+RUN=$(mktemp -u)
+mkfifo "$RUN"
+exec 3<>$RUN
+
+RESULT=$(mktemp -u)
+mkfifo "$RESULT"
+exec 4<>$RESULT
+
+clean_up () {
+  ## Cleanup pipes.
+  rm $RUN
+  rm $RESULT
+}
+
+## Execute "clean_up" on exit.
+trap "clean_up" EXIT
+
+
+##
+## Run inotifywait in a loop that is not blocked on command execution and ignore
+## irrelevant events.
+##
+
+inotifywait -m -q -r -e $EVENTS --exclude $WATCH_EXCLUDE --format '%w%f' $WATCH_DIR | \
+  while read FILE
+  do
+    if [ $WATCH_VERBOSE -ne 0 ]; then
+      echo [CHANGE] $FILE
+    fi
+
+    ## Clear $PID if the last command has finished.
+    if [ ! -z "$PID" ] && ( ! ps -p $PID > /dev/null ); then
+      PID=""
+    fi
+
+    ## If no command is being executed, execute one.
+    ## Else, wait for the command to finish and then execute again.
+    if [ -z "$PID" ]; then
+      ## Execute the following as background process.
+      ## It runs the command once and repeats if we tell him so.
+	  ($COMMAND; while read -t0.001 -u3 LINE; do
+	    echo running >&4
+	    $COMMAND
+	  done)&
+
+      PID=$!
+      WAITING=0
+    else
+      ## If a previous waiting command has been executed, reset the variable.
+      if [ $WAITING -eq 1 ] && read -t0.001 -u4; then
+        WAITING=0
+      fi
+
+      ## Tell the subprocess to execute the command again if it is not waiting
+      ## for repeated execution already.
+      if [ $WAITING -eq 0 ]; then
+        echo "run" >&3
+        WAITING=1
+      fi
+
+      ## If we are already waiting, there is nothing todo.
+    fi
+done