From d75c0ea906215bfa452df39659f7055ae44b2139 Mon Sep 17 00:00:00 2001
From: William <admin@domnian.com>
Date: Fri, 18 Mar 2016 03:28:07 -0400
Subject: [PATCH] Add command to reload permissions.yml and require confirm to
 reload


diff --git a/src/main/java/org/bukkit/Bukkit.java b/src/main/java/org/bukkit/Bukkit.java
index 9b0cc417..03ba0b38 100644
--- a/src/main/java/org/bukkit/Bukkit.java
+++ b/src/main/java/org/bukkit/Bukkit.java
@@ -1546,6 +1546,13 @@ public final class Bukkit {
     public static org.bukkit.command.CommandMap getCommandMap() {
         return server.getCommandMap();
     }
+
+    /**
+     * Reload the Permissions in permissions.yml
+     */
+    public static void reloadPermissions() {
+        server.reloadPermissions();
+    }
     // Paper end
 
     @NotNull
diff --git a/src/main/java/org/bukkit/Server.java b/src/main/java/org/bukkit/Server.java
index ab2ff962..2a47c12d 100644
--- a/src/main/java/org/bukkit/Server.java
+++ b/src/main/java/org/bukkit/Server.java
@@ -1364,4 +1364,6 @@ public interface Server extends PluginMessageRecipient {
     @NotNull
     Spigot spigot();
     // Spigot end
+
+    void reloadPermissions(); // Paper
 }
diff --git a/src/main/java/org/bukkit/command/defaults/ReloadCommand.java b/src/main/java/org/bukkit/command/defaults/ReloadCommand.java
index 1104c603..ba118dbf 100644
--- a/src/main/java/org/bukkit/command/defaults/ReloadCommand.java
+++ b/src/main/java/org/bukkit/command/defaults/ReloadCommand.java
@@ -14,15 +14,35 @@ public class ReloadCommand extends BukkitCommand {
     public ReloadCommand(@NotNull String name) {
         super(name);
         this.description = "Reloads the server configuration and plugins";
-        this.usageMessage = "/reload";
+        this.usageMessage = "/reload [permissions]"; // Paper
         this.setPermission("bukkit.command.reload");
         this.setAliases(Arrays.asList("rl"));
     }
 
     @Override
-    public boolean execute(@NotNull CommandSender sender, @NotNull String currentAlias, @NotNull String[] args) {
+    public boolean execute(@NotNull CommandSender sender, @NotNull String currentAlias, @NotNull String[] args) { // Paper
         if (!testPermission(sender)) return true;
 
+        // Paper start - Reload permissions.yml & require confirm
+        boolean confirmed = System.getProperty("LetMeReload") != null;
+        if (args.length == 1) {
+            if (args[0].equalsIgnoreCase("permissions")) {
+                Bukkit.getServer().reloadPermissions();
+                Command.broadcastCommandMessage(sender, ChatColor.GREEN + "Permissions successfully reloaded.");
+                return true;
+            } else if ("confirm".equalsIgnoreCase(args[0])) {
+                confirmed = true;
+            } else {
+                Command.broadcastCommandMessage(sender, ChatColor.RED + "Usage: " + usageMessage);
+                return true;
+            }
+        }
+        if (!confirmed) {
+            Command.broadcastCommandMessage(sender, ChatColor.RED + "Are you sure you wish to reload your server? Doing so may cause bugs and memory leaks. It is recommended to restart instead of using /reload. To confirm, please type " + ChatColor.YELLOW + "/reload confirm");
+            return true;
+        }
+        // Paper end
+
         Command.broadcastCommandMessage(sender, ChatColor.RED + "Please note that this command is not supported and may cause issues when using some plugins.");
         Command.broadcastCommandMessage(sender, ChatColor.RED + "If you encounter any issues please use the /stop command to restart your server.");
         Bukkit.reload();
@@ -34,6 +54,6 @@ public class ReloadCommand extends BukkitCommand {
     @NotNull
     @Override
     public List<String> tabComplete(@NotNull CommandSender sender, @NotNull String alias, @NotNull String[] args) throws IllegalArgumentException {
-        return Collections.emptyList();
+        return java.util.Collections.singletonList("permissions"); // Paper
     }
 }
diff --git a/src/main/java/org/bukkit/plugin/SimplePluginManager.java b/src/main/java/org/bukkit/plugin/SimplePluginManager.java
index 4c55f5f8..12e17709 100644
--- a/src/main/java/org/bukkit/plugin/SimplePluginManager.java
+++ b/src/main/java/org/bukkit/plugin/SimplePluginManager.java
@@ -777,4 +777,13 @@ public final class SimplePluginManager implements PluginManager {
     public void useTimings(boolean use) {
         co.aikar.timings.Timings.setTimingsEnabled(use); // Paper
     }
+
+    // Paper start
+    public void clearPermissions() {
+        permissions.clear();
+        defaultPerms.get(true).clear();
+        defaultPerms.get(false).clear();
+    }
+    // Paper end
+
 }
-- 
2.21.0