Initial commit.

get-papermc.sh

@@ -0,0 +1,34 @@
+#!/bin/bash
+
+set -eu
+
+# print msg to stderr
+debug_msg () {
+	echo "$@" >/dev/stderr
+}
+
+# get the download url for the latest version
+latest_url() {
+	if [[ -v latest_url_cache ]]; then
+		echo $latest_url_cache
+		return
+	fi
+	debug_msg "finding download url to latest version..."
+
+	local url=https://papermc.io/api/v2/projects/paper
+
+	local minecraft_version=$(curl --silent "$url" | jq -r '.versions[-1]')
+	url+=/versions/$minecraft_version
+
+	local papermc_build=$(curl --silent $url | jq -r '.builds[-1]')
+	url+=/builds/$papermc_build
+
+	latest_url_cache=$url/downloads/paper-$minecraft_version-$papermc_build.jar
+	debug_msg "Found url" $latest_url_cache
+	echo $latest_url_cache
+}
+
+debug_msg "downloading..."
+curl --silent $(latest_url) > paper.jar
+
+