Fix "View on GitHub" link to use repository URL

app/Filament/Resources/PluginResource/Pages/EditPlugin.php

@@ -248,6 +248,7 @@ protected function getHeaderActions(): array
                     ->label('View on GitHub')
                     ->icon('heroicon-o-arrow-top-right-on-square')
                     ->color('gray')
+                    ->visible(fn () => $this->record->repository_url !== null)
                     ->url(fn () => $this->record->getGithubUrl())
                     ->openUrlInNewTab(),
             ])

app/Models/Plugin.php

@@ -315,9 +315,9 @@ public function getPackagistUrl(): string
         return "https://packagist.org/packages/{$this->name}";
     }
 
-    public function getGithubUrl(): string
+    public function getGithubUrl(): ?string
     {
-        return "https://github.com/{$this->name}";
+        return $this->repository_url;
     }
 
     public function getWebhookUrl(): ?string

tests/Feature/Filament/ResyncPluginActionTest.php

@@ -64,4 +64,27 @@ public function test_resync_action_hidden_when_no_repository_url(): void
             ->test(EditPlugin::class, ['record' => $plugin->getRouteKey()])
             ->assertActionHidden('resync');
     }
+
+    public function test_view_github_action_uses_repository_url(): void
+    {
+        $plugin = Plugin::factory()->free()->approved()->create([
+            'repository_url' => 'https://github.com/acme/test-plugin',
+        ]);
+
+        Livewire::actingAs($this->admin)
+            ->test(EditPlugin::class, ['record' => $plugin->getRouteKey()])
+            ->assertActionVisible('viewGithub')
+            ->assertActionHasUrl('viewGithub', 'https://github.com/acme/test-plugin');
+    }
+
+    public function test_view_github_action_hidden_when_no_repository_url(): void
+    {
+        $plugin = Plugin::factory()->free()->approved()->create([
+            'repository_url' => null,
+        ]);
+
+        Livewire::actingAs($this->admin)
+            ->test(EditPlugin::class, ['record' => $plugin->getRouteKey()])
+            ->assertActionHidden('viewGithub');
+    }
 }