Sparkle Share on a TS-410

#save me as dazzle.sh
#!/usr/bin/env bash


# This program is free software. It comes without any warranty, to
# the extent permitted by applicable law. You can redistribute it
# and/or modify it under the terms of the Do What The Fuck You Want
# To Public License, Version 2, as published by Sam Hocevar. See
# http://sam.zoy.org/wtfpl/COPYING for more details.




# Check if we're root, if not show a warning
if [[ $UID -ne 0 ]]; then
case $1 in
    ""|help) # You should be allowed to check the help without being 
root
      ;;
    *)
      echo "Sorry, but Dazzle needs to be run as root."
      exit 1
      ;;
  esac
fi


GIT=`which git`


# Define text styles
BOLD=`tput bold`
NORMAL=`tput sgr0`


# Nice defaults
DAZZLE_USER="admin"
DAZZLE_GROUP="administrators"
DAZZLE_HOME="/share/Git"


show_help () {
    echo "${BOLD}Dazzle, SparkleShare host setup script${NORMAL}"
    echo "This script needs to be run as root"
    echo
    echo "Usage: dazzle [COMMAND]"
    echo
    echo " create PROJECT_NAME creates a SparkleShare project called PROJECT_NAME"
    echo " create-encrypted PROJECT_NAME creates an encrypted SparkleShare project"
    echo
}


create_project () {
  if [ -f "$DAZZLE_HOME/$1/HEAD" ]; then
    echo " -> Project \"$1\" already exists."
    echo
  else
    # Create the Git repository
    echo " -> $GIT init --bare $DAZZLE_HOME/$1"
    $GIT init --quiet --bare $DAZZLE_HOME/$1


    # Don't allow force-pushing and data to get lost
    echo " -> $GIT config --file $DAZZLE_HOME/$1/config receive.denyNonFastForwards true"
    $GIT config --file $DAZZLE_HOME/$1/config receive.denyNonFastForwards true


    # Add list of files that Git should not compress
    EXTENSIONS="jpg jpeg png tiff gif flac mp3 ogg oga avi mov mpg mpeg mkv ogv ogx webm zip gz bz bz2 rpm deb tgz rar ace 7z pak iso"
    for EXTENSION in $EXTENSIONS; do
      sleep 0.05
      echo -ne " -> echo \"*.$EXTENSION -delta\" >> $DAZZLE_HOME/$1/info/attributes \r"
      echo "*.$EXTENSION -delta" >> $DAZZLE_HOME/$1/info/attributes
      sleep 0.05
      EXTENSION_UPPERCASE=`echo $EXTENSION | tr '[:lower:]' '[:upper:]'`
      echo -ne " -> echo \"*.$EXTENSION_UPPERCASE -delta\" >> $DAZZLE_HOME/$1/info/attributes \r"
      echo "*.$EXTENSION_UPPERCASE -delta" >> $DAZZLE_HOME/$1/info/attributes
    done


    echo ""


    # Set the right permissions
    echo " -> chown --recursive $DAZZLE_USER:$DAZZLE_GROUP $DAZZLE_HOME"
    chown --recursive $DAZZLE_USER:$DAZZLE_GROUP $DAZZLE_HOME


    sleep 0.5


    echo
    echo "${BOLD}Project \"$1\" was successfully created.${NORMAL}"
  fi


  # Fetch the external IP address
  IP=`curl --silent http://ifconfig.me/ip`
  PORT=`grep "^Port " /etc/ssh/sshd_config | cut --bytes=6-`


  # Display info to link with the created project to the user
  echo "To link up a SparkleShare client, enter the following"
  echo "details into the ${BOLD}\"Add Hosted Project...\"${NORMAL} dialog: "
  echo
  echo " Address: ${BOLD}ssh://$DAZZLE_USER@$IP:$PORT${NORMAL}"
  echo " Remote Path: ${BOLD}$DAZZLE_HOME/$1${NORMAL}"
  echo
  echo "To link up (more) computers, use the \"dazzle link\" command."
  echo
}




# Parse the command line arguments
case $1 in
  create)
    echo "${BOLD}Creating project \"$2\"...${NORMAL}"
    create_project $2
    ;;


  create-encrypted)
    echo "${BOLD}Creating encrypted project \"$2\"...${NORMAL}"
    create_project $2-crypto
    ;;


  *|help)
    show_help
    ;;
esac