Updated installer to support piped script as source

functions/install_lgsm.sh

@@ -2,30 +2,39 @@
 # LGSM install_lgsm function
 # Author: Jared Ballou
 # Website: http://gameservermanagers.com
-lgsm_version="200116"
+lgsm_version="300116"
 
 # Description: Display menu of available games and install the one selected
 
 # Perform installation
 fn_runfunction menu.sh
+
 # Listing of available games
 gamelist="gamedata/__game_list"
+
 # Installation path
 installpath=$(cd ~ && pwd)
+
 # Get game list
 fn_getgithubfile $gamelist
+
 # Display installer menu
 fn_menu result "Linux Game Server Manager" "Select game to install" "${lgsmdir}/${gamelist}"
+echo $result
 # If we have a selection, do the install
 if [ -n "${result}" ]; then
-	# Confirm path for installation
-	read -p "Select path to install ${result} [${installpath}]: " input
-	installpath=${input:-$installpath}
-	scriptpath="${installpath}/${result}"
-	# If file exists, confirm overwrite
-	if [ -e "${scriptpath}" ]; then
-		read -p "WARNING! ${scriptpath} already exists! OVERWRITE!? [y/N]: " input
-		if [ "${input}" != "y" ] && [ "${input}" != "Y" ]; then exit; fi
+	if [ "${BASH_SOURCE[0]}" == "" ]; then
+		scriptpath="${installpath}/${result}"
+	else
+		# Confirm path for installation
+		read -p "Select path to install ${result} [${installpath}]: " input
+		installpath=${input:-$installpath}
+		scriptpath="${installpath}/${result}"
+		# If file exists, confirm overwrite
+		if [ -e "${scriptpath}" ]; then
+			read -p "WARNING! ${scriptpath} already exists! OVERWRITE!? [y/N]: " input
+			if [ "${input}" != "y" ] && [ "${input}" != "Y" ]; then exit; fi
+		fi
 	fi
 	# Install script
 	echo -ne "Installing to ${scriptpath}... \c"
@@ -34,11 +43,12 @@ if [ -n "${result}" ]; then
 		mkdir -p $(dirname "${scriptpath}")
 	fi
 	# Copy script and set executable
-	cp "${0}" "${scriptpath}"
+	fn_getgithubfile "${scriptpath}" noexec "${core_script}"
 	chmod 0755 "${scriptpath}"
 	if [ $? ]; then
 		fn_colortext green "Done"
-		echo "Script deployed to ${scriptpath}"
+		echo "Script deployed! To install game, run:"
+		echo "${scriptpath} install"
 	else
 		fn_colortext red "FAIL"
 	fi