[Haskell-cafe] Weird problem: Couldn't read cabal file "hashable/1.2.0.0/hashable.cabal"

[Brandon Allbery]

On Mon, Jan 7, 2013 at 1:05 AM, Eugene Kirpichov <ekirpichov at gmail.com>wrote:

> A friend of mine is trying to install my "timeplotters" (see email
> signature).
> He's getting a weird error: one of the tools installs fine but the other
> one fails with the error "Couldn't read cabal file "hashable/
> 1.2.0.0/hashable.cabal""; curiously, so does running "cabal install
> cabal-install".
>

That's a symptom of too old cabal-install that crashes when it encounters
certain newer cabal file features.  I believe you need to upgrade
cabal-install manually (since cabal-install itself will crash trying to do
so...).

It's not opening a cabal file directly, it is trying to parse entries in
the compressed package list.

-- 
brandon s allbery kf8nh                               sine nomine associates
allbery.b at gmail.com                                  ballbery at sinenomine.net
unix, openafs, kerberos, infrastructure, xmonad        http://sinenomine.net
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