chore: show build branch in version detail

pom.xml

@@ -226,6 +226,7 @@
                     <includeOnlyProperties>
                         <includeOnlyProperty>^git.build.(time|version)$</includeOnlyProperty>
                         <includeOnlyProperty>^git.commit.id.(abbrev|full)$</includeOnlyProperty>
+                        <includeOnlyProperty>git.branch</includeOnlyProperty>
                     </includeOnlyProperties>
                     <commitIdGenerationMode>full</commitIdGenerationMode>
                 </configuration>

src/main/java/city/norain/slimefun4/SlimefunExtended.java

@@ -64,7 +64,7 @@ public static boolean checkEnvironment(@Nonnull Slimefun sf) {
     public static void init(@Nonnull Slimefun sf) {
         EnvironmentChecker.scheduleSlimeGlueCheck(sf);
 
-        EnvUtil.init(sf);
+        EnvUtil.init();
 
         checkDebug();
 

src/main/java/city/norain/slimefun4/utils/EnvUtil.java

@@ -4,15 +4,13 @@
 import java.io.IOException;
 import java.util.Properties;
 import java.util.logging.Level;
-import javax.annotation.Nonnull;
 import lombok.experimental.UtilityClass;
-import org.bukkit.plugin.Plugin;
 
 @UtilityClass
 public class EnvUtil {
     public static Properties gitInfo = null;
 
-    public void init(@Nonnull Plugin plugin) {
+    public void init() {
         try (var resource = Slimefun.class.getResourceAsStream("/git.properties")) {
             var prop = new Properties();
             prop.load(resource);
@@ -23,11 +21,19 @@ public void init(@Nonnull Plugin plugin) {
         }
     }
 
+    private String getProperty(String key) {
+        return gitInfo == null ? "null" : gitInfo.getProperty(key);
+    }
+
     public String getBuildTime() {
-        return gitInfo == null ? "null" : gitInfo.getProperty("git.build.time");
+        return getProperty("git.build.time");
     }
 
     public String getBuildCommitID() {
-        return gitInfo == null ? "null" : gitInfo.getProperty("git.commit.id.abbrev");
+        return getProperty("git.commit.id.abbrev");
+    }
+
+    public String getBranch() {
+        return getProperty("git.branch");
     }
 }

src/main/java/io/github/thebusybiscuit/slimefun4/core/commands/subcommands/VersionsCommand.java

@@ -68,7 +68,7 @@ public void onExecute(@Nonnull CommandSender sender, @Nonnull String[] args) {
                     .color(ChatColor.GREEN)
                     .append(Slimefun.getVersion()
                             + (Slimefun.getVersion().toLowerCase(Locale.ROOT).contains("release")
-                                    ? " (" + EnvUtil.getBuildCommitID() + ")"
+                                    ? " (" + EnvUtil.getBuildCommitID() + "@" + EnvUtil.getBranch() + ")"
                                     : "")
                             + '\n')
                     .color(ChatColor.DARK_GREEN)