yi is not present in recent Stackage snapshots. I'm not particularly fond
of Stack's behavior in this case; I'd rather it be more explicit about
adding packages outside of a snapshot. In any event, if you check out the
yi page on stackage.org[1], you can see that the last snapshot to include
yi is 2016-10-10. You should have more success using that snapshot with:
stack install --resolver nightly-2016-10-10
If someone wants to make it easier to install yi with Stack, adding it back
to Stackage would be the easiest way.
[1] https://www.stackage.org/package/yi
On Tue, Jul 23, 2019 at 4:59 PM Eduardo Costa <edu50...@gmail.com> wrote:
> I have been trying to use stack for some time without success. Is there an
> easy way to configure stack so that I can install a few packages, just to
> try Haskell on something non-trivial? I have stack in my machine
> configured with the latest version of ghc:
>
> ~/hs$ stack ghc -- --version
> The Glorious Glasgow Haskell Compilation System, version 8.6.5
>
> The problem is that the only thing that I have managed to do with stack,
> so far, is to discover the ghc version. For instance, I tried to install
> the yi editor without success using many different methods, such as cabal.
> Then I tried stack, thus:
>
> ~/hs$ stack install yi --flag yi:vty
>
> Stack starts complaining about dependences, and suggests that I add a an
> extra-deps section to ~/.stack/global-project/stack.yaml, which I did. Then
> it takes a long time performing downloads, until it gives up with an
> unrecoverable error message:
>
> yi-core >
> /private/var/folders/7d/mwm1yx257sg8z5y12h77cy440000gn/T/stack89879/yi-core-0.18.0/src/Yi/Buffer/Misc.hs:873:3-30:
> error:
> yi-core > • No instance for (Control.Monad.Fail.MonadFail
> BufferM)
> yi-core > arising from a do statement
> yi-core > with the failable pattern ‘Just !ms’
> yi-core > • In a stmt of a 'do' block: Just !ms <- getMarks
> =<< ask
> yi-core > 873 | Just !ms <- getMarks =<< ask
> yi-core > | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
>
> I tried stack with many other packages, such as Berp (a compiler for
> Python), Pugs (implementation of Perl 6), haspy (Python), Jhc, rasa,
> without any success. I wonder if Haskell has something that works
> flawlessly and fast, as quicklisp or roswell in Common Lisp. For instance,
> I installed the lem text editor with roswell just typing the line below:
>
> ~$ ros install cxxxr/lem
>
> I also installed compilers and interpreters for Python, Fortran, Prolog
> (wamlisp) and other languages with equal facility, this time using
> quicklisp. For instance:
>
> ~$ rlwrap sbcl
> * (ql:quickload :cl-python)
>
> Very complex packages, such as Maxima Computer Algebra, install easily in
> Common Lisp. Another thing that I consider very important is that sbcl
> posts a new version of the compiler every month. All versions work
> perfectly well, and old software works with all versions. I believe that I
> am doing something very wrong with stack, cabal and Haskell, since any
> moderately complex package simply does not install.
>
>
>
>
>
>
>
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