Prevent adding inheritances to globalgroups. These are permissions

collections, not player groups.

EssentialsGroupManager/src/Changelog.txt

@@ -144,3 +144,4 @@ v 1.9:
 	- A command of '/manload' with no world arguments now performs a full reload of GM.
 	- Update for Bukkit R5 compatability.
 	- Removed BukkitPermsOverride as this is now the default with bukkit handling child nodes.
+	- Prevent adding inheritances to globalgroups. These are permissions collections, not player groups.

EssentialsGroupManager/src/org/anjocaido/groupmanager/GroupManager.java

@@ -1019,6 +1019,11 @@ public class GroupManager extends JavaPlugin {
 					sender.sendMessage(ChatColor.RED + "Group 2 does not exists!");
 					return false;
 				}
+				if (auxGroup.isGlobal()) {
+					sender.sendMessage(ChatColor.RED + "GlobalGroups do NOT support inheritance.");
+					return false;
+				}
+				
 				// VALIDANDO PERMISSAO
 				if (permissionHandler.searchGroupInInheritance(auxGroup, auxGroup2.getName(), null)) {
 					sender.sendMessage(ChatColor.RED + "Group " + auxGroup.getName() + " already inherits " + auxGroup2.getName() + " (might not be directly)");
@@ -1052,6 +1057,11 @@ public class GroupManager extends JavaPlugin {
 					sender.sendMessage(ChatColor.RED + "Group 2 does not exists!");
 					return false;
 				}
+				if (auxGroup.isGlobal()) {
+					sender.sendMessage(ChatColor.RED + "GlobalGroups do NOT support inheritance.");
+					return false;
+				}
+				
 				// VALIDANDO PERMISSAO
 				if (!permissionHandler.searchGroupInInheritance(auxGroup, auxGroup2.getName(), null)) {
 					sender.sendMessage(ChatColor.RED + "Group " + auxGroup.getName() + " does not inherits " + auxGroup2.getName() + ".");

EssentialsGroupManager/src/org/anjocaido/groupmanager/data/Group.java

@@ -49,6 +49,15 @@ public class Group extends DataUnit implements Cloneable {
         super(name);
     }
     
+    /**
+     * Is this a GlobalGroup
+     * 
+     * @return
+     */
+    public boolean isGlobal() {
+    	return (getDataSource() == null);
+    }
+	
     /**
      * Clone this group
      * @return a clone of this group
@@ -57,7 +66,7 @@ public class Group extends DataUnit implements Cloneable {
     public Group clone() {
     	Group clone;
     	
-    	if (getDataSource() == null) {
+    	if (isGlobal()) {
     		clone = new Group(this.getName());
     	} else {
     		clone = new Group(getDataSource(), this.getName());
@@ -85,7 +94,7 @@ public class Group extends DataUnit implements Cloneable {
         Group clone = dataSource.createGroup(this.getName());
         
         // Don't add inheritance for GlobalGroups
-        if (getDataSource() != null) {
+        if (!isGlobal()) {
     		clone.inherits = new ArrayList<String>(this.getInherits());
     	}
         for (String perm : this.getPermissionList()) {
@@ -110,6 +119,7 @@ public class Group extends DataUnit implements Cloneable {
      * @param inherit the inherits to set
      */
     public void addInherits(Group inherit) {
+    	if (!isGlobal()) {
 	        if (!this.getDataSource().groupExists(inherit.getName())) {
 	            getDataSource().addGroup(inherit);
 	        }
@@ -122,14 +132,17 @@ public class Group extends DataUnit implements Cloneable {
 	        	GroupManagerEventHandler.callEvent(this, Action.GROUP_INHERITANCE_CHANGED);
 	        }
     	}
+    }
 
     public boolean removeInherits(String inherit) {
+    	if (!isGlobal()) {
 	        if (this.inherits.contains(inherit.toLowerCase())) {
 	            this.inherits.remove(inherit.toLowerCase());
 	            flagAsChanged();
 	            GroupManagerEventHandler.callEvent(this, Action.GROUP_INHERITANCE_CHANGED);
 	            return true;
 	        }
+    	}
         return false;
     }
 
@@ -145,6 +158,7 @@ public class Group extends DataUnit implements Cloneable {
      * @param varList
      */
     public void setVariables(Map<String, Object> varList) {
+    	if (!isGlobal()) {
 	        GroupVariables temp = new GroupVariables(this, varList);
 	        variables.clearVars();
 	        for (String key : temp.getVarKeyList()) {
@@ -157,3 +171,4 @@ public class Group extends DataUnit implements Cloneable {
 	        }
     	}
     }
+}