fix existing check for Zig::fetch

Author: henderkes

src/SPC/store/pkg/GoXcaddy.php

@@ -26,6 +26,9 @@ public function fetch(string $name, bool $force = false, ?array $config = null):
         $pkgroot = PKG_ROOT_PATH;
         $go_exec = "{$pkgroot}/{$name}/bin/go";
         $xcaddy_exec = "{$pkgroot}/{$name}/bin/xcaddy";
+        if ($force) {
+            FileSystem::removeDir("{$pkgroot}/{$name}");
+        }
         if (file_exists($go_exec) && file_exists($xcaddy_exec)) {
             return;
         }

src/SPC/store/pkg/Zig.php

@@ -26,12 +26,12 @@ public function fetch(string $name, bool $force = false, ?array $config = null):
     {
         $pkgroot = PKG_ROOT_PATH;
         $zig_exec = match (PHP_OS_FAMILY) {
-            'Windows' => "{$pkgroot}/{$name}/bin/zig.exe",
-            default => "{$pkgroot}/{$name}/bin/zig",
+            'Windows' => "{$pkgroot}/{$name}/zig.exe",
+            default => "{$pkgroot}/{$name}/zig",
         };
 
         if ($force) {
-            FileSystem::removeDir($pkgroot . '/' . $name);
+            FileSystem::removeDir("{$pkgroot}/{$name}");
         }
 
         if (file_exists($zig_exec)) {