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nixpkgs/pkgs/data/misc/hackage/default.nix

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Partition all-cabal-hashes into case-insensitive-safe components. OS X by default has a case-insensitive filesystem, and fetching all-cabal-hashes there fails due to a hash mismatch caused by package pairs like compactable and Compactable. This partitions the package set such that each partition contains no equivalent-up-to-case pairs.
2017-10-10 17:24:30 +01:00
{ fetchFromGitHub
, stdenv
, pkgconfig
, libarchive
, glib
, # Override this to use a different revision
src-spec ?
{ owner = "commercialhaskell";
repo = "all-cabal-hashes";
rev = "901c2522e6797270f5ded4495b1a529e6c16ef45";
sha256 = "05jmwsgrk77nz9vvgfbpsps0l320qgjpkr2c9zhkn9sc3d275lfb";
}
, lib
}:
callHackage: make 'all-cabal-hashes' repository overridable This commit changes callHackage to use a deterministic version of the Hackage checkout from https://github.com/commercialhaskell/all-cabal-hashes by default. This means that packages uploaded to Hackage after today will be available to callHackage only after "pkgs/data/misc/hackage/default.nix" has been updated. People who want the previous behavior where we always had the latest version of Hackage available -- at the cost of frequent downloads from Github --, can add the following override to their "~/.nixpkgs/config.nix" file: { packageOverrides = super: { all-cabal-hashes = builtins.fetchTarball "https://github.com/commercialhaskell/all-cabal-hashes/archive/hackage.tar.gz"; }; }
2016-11-01 17:29:43 +00:00
# Use builtins.fetchTarball "https://github.com/commercialhaskell/all-cabal-hashes/archive/hackage.tar.gz"
# instead if you want the latest Hackage automatically at the price of frequent re-downloads.
Partition all-cabal-hashes into case-insensitive-safe components. OS X by default has a case-insensitive filesystem, and fetching all-cabal-hashes there fails due to a hash mismatch caused by package pairs like compactable and Compactable. This partitions the package set such that each partition contains no equivalent-up-to-case pairs.
2017-10-10 17:24:30 +01:00
let partition-all-cabal-hashes = stdenv.mkDerivation
{ name = "partition-all-cabal-hashes";
src = ./partition-all-cabal-hashes.c;
unpackPhase = "true";
partition-all-cabal-hashes: cross-compile safe
2017-10-14 13:03:53 +01:00
buildInputs = [ libarchive glib ];
nativeBuildInputs = [ pkgconfig ];
Partition all-cabal-hashes into case-insensitive-safe components. OS X by default has a case-insensitive filesystem, and fetching all-cabal-hashes there fails due to a hash mismatch caused by package pairs like compactable and Compactable. This partitions the package set such that each partition contains no equivalent-up-to-case pairs.
2017-10-10 17:24:30 +01:00
buildPhase =
"cc -O3 $(pkg-config --cflags --libs libarchive glib-2.0) $src -o partition-all-cabal-hashes";
installPhase =
''
mkdir -p $out/bin
install -m755 partition-all-cabal-hashes $out/bin
'';
};
in fetchFromGitHub (src-spec //
{ postFetch = "${partition-all-cabal-hashes}/bin/partition-all-cabal-hashes $downloadedFile $out";
})
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