stop fetching from the papermc api unnecessarily

deploy.sh

@@ -1,6 +1,4 @@
 #!/usr/bin/env bash
-# required for the complex pipes in the machine function
-shopt -s lastpipe
 install_dir="$(dirname "$(readlink -f "$0")")" # find the install directory
 source "$install_dir/functions.sh"
 
@@ -20,7 +18,6 @@ else
 	echo "Firewall rule already exists"
 fi
 
-latest=`curl -s https://api.papermc.io/v2/projects/paper/ | jq -r .versions[-1]`
 versionprompt
 echo -n "Waiting for machine to respond"
 # send pings every second, waiting for 1 second

functions.sh

@@ -1,3 +1,6 @@
+# required for the complex pipes
+shopt -s lastpipe
+
 config() {
 	local command="$1"; shift
 
@@ -232,7 +235,12 @@ machine(){
 	esac
 }
 
+
+
 versionprompt() {
+	if [ -z ${latest+x} ]; then
+		latest=`curl -s https://api.papermc.io/v2/projects/paper/ | jq -r .versions[-1]`
+	fi
 	# ask the user which version of minecraft they would like to install
 	echo "Which version of minecraft would you like to serve?"
 	echo -n "Version [$latest]:"