spm works maybe?

packages/pid.pkg

@@ -7,6 +7,6 @@
     ],
     "dependencies": [],
     "version": "1.0.0",
-    "hash": "6736ecf743bbe3a09c223c7f73d5247056a103ec334813ada62f9bd50720f412",
-    "tarball": "http://localhost:8000/packages/raw/pid.tar.xz"
+    "hash": "a0f49db23415afc4d75f87aab12ece00",
+    "tarball": "http://localhost:8000/packages/raw/pid.tar.gz"
 }