Fix typo for numbered/custom build numbers display

src/main/java/me/libraryaddict/disguise/DisguiseListener.java

@@ -96,7 +96,7 @@ public class DisguiseListener implements Listener {
         }
 
         // If build number is null, or not a number. Then we can't check snapshots regardless
-        if (plugin.getBuildNo() == null || !plugin.getBuildNo().matches("[0-9]+")) {
+        if (!plugin.isNumberedBuild()) {
             return true;
         }
 

src/main/java/me/libraryaddict/disguise/LibsDisguises.java

@@ -43,8 +43,7 @@ public class LibsDisguises extends JavaPlugin {
 
         getLogger().info("Discovered nms version: " + ReflectionManager.getBukkitVersion());
 
-        boolean hashBuild = getBuildNo() != null && getBuildNo().matches("[0-9]+");
-        getLogger().info("Jenkins Build: " + (hashBuild ? "#" : "") + getBuildNo());
+        getLogger().info("Jenkins Build: " + (isNumberedBuild() ? "#" : "") + getBuildNo());
 
         LibsPremium.check(getDescription().getVersion());
 
@@ -116,8 +115,15 @@ public class LibsDisguises extends JavaPlugin {
 
         // If a release build, attach build number
         if (!isReleaseBuild()) {
+            version += "-";
+
             // 9.7.0-SNAPSHOT-b30
-            version += "-b" + getBuildNo();
+            if (isNumberedBuild()) {
+                version += "b";
+            }
+            // else 9.7.0-SNAPSHOT-unknown
+
+            version += getBuildNo();
         }
 
         Metrics metrics = new Metrics(this, version);
@@ -314,6 +320,10 @@ public class LibsDisguises extends JavaPlugin {
         return buildNumber;
     }
 
+    public boolean isNumberedBuild() {
+        return getBuildNo() != null && getBuildNo().matches("[0-9]+");
+    }
+
     private void registerCommand(String commandName, CommandExecutor executioner) {
         PluginCommand command = getCommand(commandName);
 

src/main/java/me/libraryaddict/disguise/commands/LibsDisguisesCommand.java

@@ -57,7 +57,13 @@ public class LibsDisguisesCommand implements CommandExecutor, TabCompleter {
             String version = disguises.getDescription().getVersion();
 
             if (!disguises.isReleaseBuild()) {
-                version += "-b" + disguises.getBuildNo();
+                version += "-";
+
+                if (disguises.isNumberedBuild()) {
+                    version += "b";
+                }
+
+                version += disguises.getBuildNo();
             }
 
             sender.sendMessage(ChatColor.DARK_GREEN + "This server is running " + "Lib's Disguises v" + version +