Fix tab complete players in /ping command

patches/server/0106-Add-ping-command.patch

@@ -1,12 +1,12 @@
-From f9a4960781b70e245b00e1e28ddb8d7a3582034c Mon Sep 17 00:00:00 2001
+From dcb2b9b35f5a492b9b8f683656100f8084305e89 Mon Sep 17 00:00:00 2001
 From: William Blake Galbreath <Blake.Galbreath@GMail.com>
 Date: Fri, 13 Mar 2020 22:29:10 -0500
 Subject: [PATCH] Add /ping command
 
 ---
  .../java/net/pl3x/purpur/PurpurConfig.java    |  2 +
- .../net/pl3x/purpur/command/PingCommand.java  | 52 +++++++++++++++++++
+ .../net/pl3x/purpur/command/PingCommand.java  | 54 +++++++++++++++++++
- 2 files changed, 54 insertions(+)
+ 2 files changed, 56 insertions(+)
  create mode 100644 src/main/java/net/pl3x/purpur/command/PingCommand.java
 
 diff --git a/src/main/java/net/pl3x/purpur/PurpurConfig.java b/src/main/java/net/pl3x/purpur/PurpurConfig.java
@@ -31,10 +31,10 @@ index 63a91e7b7a..ca49b3b6a3 100644
          set("config-version", 4);
 diff --git a/src/main/java/net/pl3x/purpur/command/PingCommand.java b/src/main/java/net/pl3x/purpur/command/PingCommand.java
 new file mode 100644
-index 0000000000..77dddea3d6
+index 0000000000..54682dcf47
 --- /dev/null
 +++ b/src/main/java/net/pl3x/purpur/command/PingCommand.java
-@@ -0,0 +1,52 @@
+@@ -0,0 +1,54 @@
 +package net.pl3x.purpur.command;
 +
 +import org.bukkit.Bukkit;
@@ -58,7 +58,9 @@ index 0000000000..77dddea3d6
 +
 +    @Override
 +    public List<String> tabComplete(CommandSender sender, String alias, String[] args) {
-+        return Bukkit.getOnlinePlayers().stream().map(HumanEntity::getName).collect(Collectors.toList());
++        return Bukkit.getOnlinePlayers().stream()
++                .filter(player -> player.getName().toLowerCase().startsWith(args[0].toLowerCase()))
++                .map(HumanEntity::getName).collect(Collectors.toList());
 +    }
 +
 +    @Override