papermc/Spigot-API-Patches/0006-Check-Paper-versions.patch

From 8944bee4927eb1d51651160612345a139ef645ca Mon Sep 17 00:00:00 2001
From: Zach Brown <zach.brown@destroystokyo.com>
Date: Mon, 29 Feb 2016 17:58:01 -0600
Subject: [PATCH] Check Paper versions


diff --git a/src/main/java/org/bukkit/command/defaults/VersionCommand.java b/src/main/java/org/bukkit/command/defaults/VersionCommand.java
index b55abdb..ad3a9e5 100644
--- a/src/main/java/org/bukkit/command/defaults/VersionCommand.java
+++ b/src/main/java/org/bukkit/command/defaults/VersionCommand.java
@@ -185,30 +185,17 @@ public class VersionCommand extends BukkitCommand {
     private void obtainVersion() {
         String version = Bukkit.getVersion();
         if (version == null) version = "Custom";
-        if (version.startsWith("git-Spigot-")) {
-            String[] parts = version.substring("git-Spigot-".length()).split("-");
-            int cbVersions = getDistance("craftbukkit", parts[1].substring(0, parts[1].indexOf(' ')));
-            int spigotVersions = getDistance("spigot", parts[0]);
-            if (cbVersions == -1 || spigotVersions == -1) {
+        // Paper start
+        if (version.startsWith("git-Paper-")) {
+            String[] parts = version.substring("git-Paper-".length()).split("[-\\s]");
+            int paperVersions = getDistance("paper", parts[0]);
+            if (paperVersions == -1) {
                 setVersionMessage("Error obtaining version information");
             } else {
-                if (cbVersions == 0 && spigotVersions == 0) {
+                if (paperVersions == 0) {
                     setVersionMessage("You are running the latest version");
                 } else {
-                    setVersionMessage("You are " + (cbVersions + spigotVersions) + " version(s) behind");
-                }
-            }
-
-        } else if (version.startsWith("git-Bukkit-")) {
-            version = version.substring("git-Bukkit-".length());
-            int cbVersions = getDistance("craftbukkit", version.substring(0, version.indexOf(' ')));
-            if (cbVersions == -1) {
-                setVersionMessage("Error obtaining version information");
-            } else {
-                if (cbVersions == 0) {
-                    setVersionMessage("You are running the latest version");
-                } else {
-                    setVersionMessage("You are " + cbVersions + " version(s) behind");
+                    setVersionMessage("You are " + paperVersions + " version(s) behind");
                 }
             }
         } else {
@@ -232,17 +219,20 @@ public class VersionCommand extends BukkitCommand {
         }
     }
 
-    private static int getDistance(String repo, String hash) {
+    private static int getDistance(String repo, String currentVerInt) { // Paper
         try {
             BufferedReader reader = Resources.asCharSource(
-                    new URL("https://hub.spigotmc.org/stash/rest/api/1.0/projects/SPIGOT/repos/" + repo + "/commits?since=" + URLEncoder.encode(hash, "UTF-8") + "&withCounts=true"),
+                    new URL("https://ci.destroystokyo.com/job/PaperSpigot/lastSuccessfulBuild/buildNumber"), // Paper
                     Charsets.UTF_8
             ).openBufferedStream();
             try {
-                JSONObject obj = (JSONObject) new JSONParser().parse(reader);
-                return ((Number) obj.get("totalCount")).intValue();
-            } catch (ParseException ex) {
-                ex.printStackTrace();
+                // Paper start
+                int newVer = Integer.decode(reader.readLine());
+                int currentVer = Integer.decode(currentVerInt);
+                return newVer - currentVer;
+            } catch (NumberFormatException ex) {
+                //ex.printStackTrace();
+                // Paper end
                 return -1;
             } finally {
                 reader.close();
-- 
2.7.2