reference the repository

tahoe-capabilities.cabal

@@ -61,6 +61,11 @@ extra-doc-files:
 -- Extra source files to be distributed with the package, such as examples, or a tutorial module.
 -- extra-source-files:
 
+source-repository head
+  type:     git
+  location:
+    gitlab@whetstone.private.storage:privatestorage/tahoe-capabilities.git
+
 common warnings
   ghc-options: -Wall