Initial clone and submodule update fail: Server does not allow request for unadvertised object
$ git clone --recursive git://git.haskell.org/ghc.git...error: Server does not allow request for unadvertised object 94855814e2e4f7a0f191ffa5b4c98ee0147e3174Fetched in submodule path 'libraries/binary', but it did not contain 94855814e2e4f7a0f191ffa5b4c98ee0147e3174. Direct fetching of that commit failed.$ git submodule updateerror: Server does not allow request for unadvertised object 94855814e2e4f7a0f191ffa5b4c98ee0147e3174Fetched in submodule path 'libraries/binary', but it did not contain 94855814e2e4f7a0f191ffa5b4c98ee0147e3174. Direct fetching of that commit failed.