install_qupath.sh

#!/bin/bash

# ----------------- COMPONENTS VERSION -----------
qupath_version=0.3.1

################################################################################
# Help                                                                         #
################################################################################
function Help()
{
   # Display Help
   echo ------ QuPath Installer Script -------------
   echo "This batch file downloads and install QuPath-v$qupath_version on your computer."
   echo
   echo "You can specify the folder where to install QuPath as an "
   echo "argument of this script. For instance: "
   echo ""
   echo "Windows:"
   echo "./install_qupath.sh C:/"
   echo ""
   echo "If no path is specified, you will be asked for one."
   echo
}

while getopts ":h" option; do
   case $option in
      h) # display Help
         Help
         exit;;
   esac
done

# ----------------- FUNCTIONS -------------------

# Wait for user 
function pause(){
   read -p "$*"
}

# Returns
function getuserdir(){
    local  __resultvar=$1
	local  myresult=
		while true ; do
			read -r -p "Path: " myresult
			if [ -d "$myresult" ] ; then
				break
			fi
			echo "$myresult is not a directory... try without slash at the end (unless it's the root drive like C:/)"
		done
    eval $__resultvar="'$myresult'"
}

echo ------ QuPath Installer Script -------------
echo "This batch file downloads and install QuPath on your computer"
if [[ "$OSTYPE" == "linux-gnu"* ]]; then
	echo "Your OS: Linux"
elif [[ "$OSTYPE" == "darwin"* ]]; then
    echo "Your OS: Mac OSX"
elif [[ "$OSTYPE" == "msys" ]]; then
    echo "Your OS: Windows"
else
    echo "Unknown OS, the script will exit: $OSTYPE"
	pause "Press [Enter] to end the script"
	exit 1 # We cannot proceed
fi


# ------- INSTALLATION PATH VALIDATION

echo ------- Installation path validation

if [ $# -eq 0 ] 
then
	echo "Please enter the installation path for QuPath"
	getuserdir path_install
else 	
	if [ -d "$1" ] ; then
		path_install=$1
	else
		echo $1 is not a valid path
		echo "Please enter the installation path for QuPath"
		getuserdir path_install
	fi	
fi

echo "All components will be installed in:"
echo "$path_install"

# MAKE TEMP FOLDER IN CASE DOWNLOADS ARE NECESSARY
temp_dl_dir="$path_install/temp_dl"
mkdir "$temp_dl_dir"

# ------ SETTING UP QUPATH ------
echo ------ Setting up QuPath ------


if [[ "$OSTYPE" == "linux-gnu"* ]]; then
	echo "Linux unsupported - please contribute to this installer to support it!"
	pause "Press [Enter] to end the script"
	exit 1 # We cannot proceed
elif [[ "$OSTYPE" == "darwin"* ]]; then
	qupath_executable_file="Contents/MacOS/QuPath"
	qupath_path="/Applications/QuPath.app/$qupath_executable_file"
	echo "$qupath_path"
	if [[ -f "$qupath_path" ]]; then
		echo "QuPath detected, bypassing installation"
	else
		qupath_url="https://github.com/qupath/qupath/releases/download/v${qupath_version}/QuPath-${qupath_version}-Mac.pkg"
		echo "QuPath not present, downloading it from $qupath_url"
		qupath_zip_path="$temp_dl_dir/qupath.pkg"
		curl "$qupath_url" -L -# -o "$qupath_zip_path"
		echo "Installing QuPath, you will need to enter your admin password for the install (or install QuPath before running the script)"
		sudo installer -pkg "$qupath_zip_path" -target /
		if [[ -f "$qupath_path" ]]; then
			echo "QuPath successfully installed"
		else
			echo "QuPath installation failed, please retry with administrator rights or install in a folder requiring less privilege"
			pause "Press [Enter] to end the script"
			exit 1 # We cannot proceed
		fi
	fi
elif [[ "$OSTYPE" == "msys" ]]; then
	qupath_executable_file="QuPath-${qupath_version}.exe"
	qupath_url="https://github.com/qupath/qupath/releases/download/v${qupath_version}/QuPath-${qupath_version}-Windows.zip"
	qupath_path="$path_install/QuPath-${qupath_version}/$qupath_executable_file"
	if [[ -f "$qupath_path" ]]; then
		echo "QuPath detected, bypassing installation"
	else
		echo "QuPath not present, downloading it from $qupath_url"
		qupath_zip_path="$temp_dl_dir/qupath.zip"
		curl "$qupath_url" -L -# -o "$qupath_zip_path"
		echo "Unzipping QuPath"
		unzip "$qupath_zip_path" -d "$path_install"
		if [[ -f "$qupath_path" ]]; then
			echo "QuPath successfully installed"
		else
			echo "QuPath installation failed, please retry with administrator rights or install in a folder requiring less priviledge"
			pause "Press [Enter] to end the script"
			exit 1 # We cannot proceed
		fi
	fi	
fi


echo "Removing temporary download folder $temp_dl_dir"
rm -r "$temp_dl_dir"