Minor Changes

Build/download-previous-build.ts

@@ -66,8 +66,10 @@ export const downloadPreviousBuild = task(require.main === module, __filename)(a
 
     const pathPrefix = 'ruleset.skk.moe-master/';
 
-    const gunzip = zlib.createGunzip();
-    const extract = tarExtract(
+    return pipeline(
+      respBody,
+      zlib.createGunzip(),
+      tarExtract(
         PUBLIC_DIR,
         {
           ignore(_: string, header?: TarEntryHeaders) {
@@ -87,12 +89,7 @@ export const downloadPreviousBuild = task(require.main === module, __filename)(a
             return header;
           }
         }
-    );
-
-    return pipeline(
-      respBody,
-      gunzip,
-      extract
+      )
     );
   });
 });