`git clone git@github.com:ghc/ghc.git` followed by `git submodule update --init --recursive` results in 
```

error: Server does not allow request for unadvertised object 94855814e2e4f7a0f191ffa5b4c98ee0147e3174

Fetched in submodule path 'libraries/binary', but it did not contain 94855814e2e4f7a0f191ffa5b4c98ee0147e3174. Direct fetching of that commit failed.
```
--
Shayne Fletcher
Language Engineer
c: +1 917 699 7763
e: shayne.fletcher@daml.com
Digital Asset Holdings, LLC
4 World Trade Center                                                        150 Greenwich Street, 47th Floor         
New York, NY 10007, USA
digitalasset.com


This message, and any attachments, is for the intended recipient(s) only, may contain information that is privileged, confidential and/or proprietary and subject to important terms and conditions available at http://www.digitalasset.com/emaildisclaimer.html. If you are not the intended recipient, please delete this message.