git clone --recursive git://git.haskell.org/ghc.git ghc-8.6.5-series -b ghc-8.6 
--- not using gitlab to clone seems to be the culprit ..


On Fri, Jul 26, 2019 at 2:18 PM Carter Schonwald <carter.schonwald@gmail.com> wrote:
Hey everyone, whats wrong with the 8.6 branch?

when i do a fresh clone, i wind up with this error : 
$
git submodule update  --init --recursive
error: Server does not allow request for unadvertised object def8c55d0c47c1c40de985d83f052f3659b40cfd
Fetched in submodule path 'libraries/transformers', but it did not contain def8c55d0c47c1c40de985d83f052f3659b40cfd. Direct fetching of that commit failed.
14:17:43 ~/D/r/ghc-8.6.5-series (ghc-8.6|✚6) $