Don't sleep after profile lookups if not needed

Mojang was sleeping even if we had no more requests to go after
the current one finished, resulting in 100ms lost per profile lookup

Spigot-Server-Patches/0399-Don-t-sleep-after-profile-lookups-if-not-needed.patch

@@ -0,0 +1,36 @@
+From 7ac07ac07ac07ac07ac07ac07ac07ac07ac07ac0 Mon Sep 17 00:00:00 2001
+From: Aikar <aikar@aikar.co>
+Date: Tue, 23 Oct 2018 20:25:05 -0400
+Subject: [PATCH] Don't sleep after profile lookups if not needed
+
+Mojang was sleeping even if we had no more requests to go after
+the current one finished, resulting in 100ms lost per profile lookup
+
+diff --git a/src/main/java/com/mojang/authlib/yggdrasil/YggdrasilGameProfileRepository.java b/src/main/java/com/mojang/authlib/yggdrasil/YggdrasilGameProfileRepository.java
+index 7ac07ac07ac0..7ac07ac07ac0 100644
+--- a/src/main/java/com/mojang/authlib/yggdrasil/YggdrasilGameProfileRepository.java
++++ b/src/main/java/com/mojang/authlib/yggdrasil/YggdrasilGameProfileRepository.java
+@@ -42,6 +42,7 @@ public class YggdrasilGameProfileRepository implements GameProfileRepository {
+         }
+ 
+         final int page = 0;
++        boolean hasRequested = false; // Paper
+ 
+         for (final List<String> request : Iterables.partition(criteria, ENTRIES_PER_PAGE)) {
+             int failCount = 0;
+@@ -67,6 +68,12 @@ public class YggdrasilGameProfileRepository implements GameProfileRepository {
+                         LOGGER.debug("Couldn't find profile {}", name);
+                         callback.onProfileLookupFailed(new GameProfile(null, name), new ProfileNotFoundException("Server did not find the requested profile"));
+                     }
++                    // Paper start
++                    if (!hasRequested) {
++                        hasRequested = true;
++                        continue;
++                    }
++                    // Paper end
+ 
+                     try {
+                         Thread.sleep(DELAY_BETWEEN_PAGES);
+-- 
+2.19.1
+

scripts/importmcdev.sh

@@ -104,6 +104,7 @@ done
 #             # group    # lib          # prefix               # many files
 
 # dont forget \ at end of each line but last
+importLibrary com.mojang authlib com/mojang/authlib yggdrasil/YggdrasilGameProfileRepository.java
 
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