Which stable GHC release is expected to have support for linear types?

Edvard Hübinette edvard at hubinette.me
Mon Jul 10 09:22:35 UTC 2017

Hi Wolfgang,

the directory name should not matter (mine is named differently for
example). Renaming the base directory *after* cloning (instead of using git
clone foo dir-name) can sometimes confuse git, if that might be the problem.

In any case, we are unable to reproduce this so if you could provide exact
reproductions steps we can update the guide. Your git version may be useful
as well.


2017-07-09 22:35 GMT+02:00 Wolfgang Jeltsch <wolfgang-it at jeltsch.info>:

> Hi, Edvard!
> I generally followed the instructions on
>     https://github.com/tweag/ghc/tree/linear-types#building-from-source  ,
> but when running
>     git checkout tweag/linear-types  ,
> I got the following error message:
> > fatal: Not a git repository: ${BASEDIR}/ghc/.git/modules/.
> arc-linters/arcanist-external-json-linter
> I guess this is because my local directory is not named “ghc”, but “ghc-
> linear”. In my opinion, the repository should not assume that a local
> copy of it resides in a directory of a certain name. Is this a GHC issue
> or an issue with your linear-types branch?
> All the best,
> Wolfgang
> Am Mittwoch, den 05.07.2017, 16:20 +0000 schrieb Edvard Hübinette:
> > Hi Wolfgang,
> >
> > I've put together a small README for getting this up and running (both
> > for using stack with pre-built Docker images, and from source). It can
> > be found in the repository here: https://github.com/tweag/ghc/tree/lin
> > ear-types.
> >
> > Hope this will help!
> >
> > Cheers,
> > Edvard Hübinette
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