Add showGitBranch method to EnvironmentIndicatorPlugin

src/EnvironmentIndicatorPlugin.php

@@ -22,6 +22,8 @@ class EnvironmentIndicatorPlugin implements Plugin
 
     public array|Closure|null $color = null;
 
+    public bool|Closure|null $showGitBranch = null;
+
     public static function make(): static
     {
         $plugin = app(static::class);
@@ -83,6 +85,7 @@ public function register(Panel $panel): void
             return View::make('filament-environment-indicator::badge', [
                 'color' => $this->getColor(),
                 'environment' => ucfirst(app()->environment()),
+                'branch' => $this->getGitBranch()
             ]);
         });
 
@@ -131,6 +134,13 @@ public function showBorder(bool|Closure $showBorder = true): static
         return $this;
     }
 
+    public function showGitBranch(bool|Closure $showGitBranch = true): static
+    {
+        $this->showGitBranch = $showGitBranch;
+
+        return $this;
+    }
+
     public function color(array|Closure $color = Color::Pink): static
     {
         $this->color = $color;
@@ -142,4 +152,16 @@ protected function getColor(): array
     {
         return $this->evaluate($this->color);
     }
+
+    protected function getGitBranch(): ?string
+    {
+        if (! $this->evaluate($this->showGitBranch)) {
+            return null;
+        }
+        try {
+            return trim(exec('git branch --show-current'));
+        } catch (\Throwable $th) {
+            return null;
+        }
+    }
 }