Fix command execution error output

src/dev/w1zzrd/invtweaks/command/MagnetCommandExecutor.java

@@ -48,7 +48,7 @@ public class MagnetCommandExecutor extends ConfigurableCommandExecutor<MagnetCon
     @Override
     public boolean onCommand(CommandSender sender, Command command, String label, String[] args) {
         if (!(sender instanceof Player))
-            return false;
+            return true;
 
         final boolean isMagnetActive = toggleMagnet((Player) sender);
 

src/dev/w1zzrd/invtweaks/command/SearchCommandExecutor.java

@@ -1,6 +1,7 @@
 package dev.w1zzrd.invtweaks.command;
 
 import dev.w1zzrd.invtweaks.InvTweaksPlugin;
+import dev.w1zzrd.invtweaks.listener.TabCompletionListener;
 import dev.w1zzrd.invtweaks.serialization.SearchConfig;
 import org.bukkit.*;
 import org.bukkit.block.*;
@@ -17,6 +18,7 @@ import java.util.*;
 import java.util.logging.Logger;
 
 import static dev.w1zzrd.invtweaks.command.CommandUtils.assertTrue;
+import static dev.w1zzrd.invtweaks.listener.TabCompletionListener.*;
 
 /**
  * Handler for executions of /search command
@@ -40,14 +42,11 @@ public class SearchCommandExecutor extends ConfigurableCommandExecutor<SearchCon
 
     @Override
     public boolean onCommand(CommandSender sender, Command command, String label, String[] args) {
-        final NamespacedKey target;
+        final Material targetMaterial;
         if (assertTrue(sender instanceof Player, ERR_NOT_PLAYER, sender) ||
                 assertTrue(args.length == 1, ERR_NO_ARG, sender) ||
-                assertTrue((target = NamespacedKey.fromString(args[0])) != null, String.format(ERR_UNKNOWN, args[0]), sender)
+                assertTrue((targetMaterial = getMaterialMatching(args[0])) != null, String.format(ERR_UNKNOWN, args[0]), sender)
-        ) return false;
+        ) return true;
-
-        assert target != null;
-        final Material targetMaterial = Arrays.stream(Material.values()).filter(it -> it.getKey().toString().equals(args[0])).findFirst().orElse(null);
 
         assert targetMaterial != null;
         assert sender instanceof Player;
@@ -64,7 +63,7 @@ public class SearchCommandExecutor extends ConfigurableCommandExecutor<SearchCon
 
         // Ensure we found inventory-holding blocks
         if (assertTrue(matches.size() != 0, ERR_NO_INVENTORIES, sender))
-            return false;
+            return true;
 
         final InventoryHolder result;
 
@@ -97,7 +96,7 @@ public class SearchCommandExecutor extends ConfigurableCommandExecutor<SearchCon
                 }
             }
             assertTrue(false, "Could not find inventory with target item/block", sender);
-            return false;
+            return true;
         }
 
         if (result instanceof DoubleChest) {
@@ -175,4 +174,9 @@ public class SearchCommandExecutor extends ConfigurableCommandExecutor<SearchCon
 
         return matches;
     }
+
+    private static Material materialFromKey(final NamespacedKey key) {
+        final String stringKey = key.toString();
+        return Arrays.stream(Material.values()).filter(it -> it.getKey().toString().equals(stringKey)).findFirst().orElse(null);
+    }
 }

src/dev/w1zzrd/invtweaks/command/SortCommandExecutor.java

@@ -20,6 +20,7 @@ import java.util.logging.Logger;
 
 import static dev.w1zzrd.invtweaks.InvTweaksPlugin.LOG_PLUGIN_NAME;
 import static org.bukkit.Material.*;
+import static dev.w1zzrd.invtweaks.command.CommandUtils.*;
 
 /**
  * Handler for executions of /sort command
@@ -32,12 +33,10 @@ public class SortCommandExecutor implements CommandExecutor {
     public boolean onCommand(CommandSender sender, Command command, String label, String[] args) {
         // Since we rely on targeting an inventory either by what we're looking at or by whom it was called,
         // there is an implicit dependency on that the command is called by (at the very least) an entity
-        if (!(sender instanceof Player)) {
+        if (assertTrue(sender instanceof Player, "Command must be run by a player", sender))
-            logger.info(LOG_PLUGIN_NAME + " Sort command triggered by non-player");
+            return true;
-            sender.sendMessage("Command must be run by a player");
-            return false;
-        }
 
+        assert sender instanceof Player;
         final Player player = (Player) sender;
 
         logger.fine(LOG_PLUGIN_NAME + " Sort triggered by player " + player.getName());