The above tarballs should work if you manually constrain the install to use HTTP-4000.2.5 or higher:
cabal install --constraint="HTTP >= 4000.2.5" http://johantibell.com/files/Cabal-1.20.0-rc.tar.gz http://johantibell.com/files/cabal-install-1.20.0-rc.tar.gz On Tue, Apr 15, 2014 at 11:07 AM, Johan Tibell <johan.tib...@gmail.com>wrote: > If you run into this error: > > Network/HTTP/Auth.hs:192:49: > Couldn't match expected type `Maybe URI' with actual type `URI' > In the second argument of `fromMaybe', namely > `(u `relativeTo` baseURI)' > In the expression: fromMaybe u (u `relativeTo` baseURI) > In the first argument of `map', namely > `(\ u -> fromMaybe u (u `relativeTo` baseURI))' > > try using the 1.20 branch on GitHub instead, as I had to work around a > missing upper bound on network in the HTTP package. cabal-install only > builds reliably with HTTP-4000.2.5 and higher. > > > On Tue, Apr 15, 2014 at 10:33 AM, Johan Tibell <johan.tib...@gmail.com>wrote: > >> Hi all, >> >> I've prepared the 1.20 release candidates. I now need some help testing, >> especially on Windows as I don't have a Windows machine. >> >> To install the release candidates simply run: >> >> cabal install http://johantibell.com/files/Cabal-1.20.0-rc.tar.gz >> http://johantibell.com/files/cabal-install-1.20.0-rc.tar.gz >> >> Please report any issues on the bug tracker: >> https://github.com/haskell/cabal/issues >> >> If I haven't heard of anything release blocking bugs (or last minute >> important patches) in a couple of days, I will make these tarballs the >> official release. >> >> The commits used are tagged in the repo as Cabal-v1.20.0-rc and >> cabal-install-v1.20.0-rc. >> >> -- Johan >> >> >
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