spm works maybe?

packages/micro.pkg

@@ -7,6 +7,6 @@
     ],
     "dependencies": [],
     "version": "1.0.0",
-    "hash": "cb53fe713bb74dc76f66bac0d856525ab4aeb9ab9ac1c09ca1a674ad646378fd",
-    "tarball": "http://localhost:8000/packages/raw/micro.tar.xz"
+    "hash": "d2ddcba471746b54e55ce44eec8fcff6",
+    "tarball": "http://localhost:8000/packages/raw/micro.tar.gz"
 }