Unverified Commit 631661e6 authored by Wolfgang Walther's avatar Wolfgang Walther
Browse files

haskellPackages.cabal2nix-unstable: override with unstable dependencies 

These dependencies need to be pulled from the same unstable commit that
cabal2nix is pulled from, otherwise changes to any of them will not be
in effect and possibly break the build.
parent 453d0f8e

maintainers/scripts/haskell/update-cabal2nix-unstable.sh

+12 −4
Original line number Diff line number Diff line
@@ -12,8 +12,16 @@ head_info="$(curl -H "Accept: application/vnd.github.v3+json" https://api.github 
commit="$(jq -r .commit.sha <<< "$head_info")"

# extract commit timestamp and convert to date

date="$(date "--date=$(jq -r .commit.commit.committer.date <<< "$head_info")" +%F)"



# generate nix expression from cabal file, replacing the version with the commit date

output=pkgs/development/haskell-modules/cabal2nix-unstable.nix

echo '# This file defines cabal2nix-unstable, used by maintainers/scripts/haskell/regenerate-hackage-packages.sh.' > "$output"

cabal2nix --subpath cabal2nix "https://github.com/NixOS/cabal2nix/archive/$commit.tar.gz" | sed -Ee 's/version = "(.*)"/version = "\1-unstable-'"$date"'"/' >> "$output"

function mkPackage() {

  output=pkgs/development/haskell-modules/cabal2nix-unstable/$1.nix

  echo "# This file defines $1-unstable, used by maintainers/scripts/haskell/regenerate-hackage-packages.sh." > "$output"

  cabal2nix --subpath "$1" "https://github.com/NixOS/cabal2nix/archive/$commit.tar.gz" | sed -Ee 's/version = "(.*)"/version = "\1-unstable-'"$date"'"/' >> "$output"

  nixfmt "$output"

}



mkPackage "cabal2nix"

mkPackage "distribution-nixpkgs"

mkPackage "hackage-db"

mkPackage "language-nix"

pkgs/development/haskell-modules/cabal2nix-unstable/distribution-nixpkgs.nix

0 → 100644
+53 −0
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# This file defines distribution-nixpkgs-unstable, used by maintainers/scripts/haskell/regenerate-hackage-packages.sh.

{

  mkDerivation,

  aeson,

  base,

  bytestring,

  Cabal,

  containers,

  deepseq,

  directory,

  fetchzip,

  hspec,

  language-nix,

  lens,

  lib,

  pretty,

  process,

}:

mkDerivation {

  pname = "distribution-nixpkgs";

  version = "1.7.1.1-unstable-2025-08-10";

  src = fetchzip {

    url = "https://github.com/NixOS/cabal2nix/archive/31c6db234a905bbf4e8f34c5a986f294b231de0a.tar.gz";

    sha256 = "1ifbmcm5k8mxcpq4kscfc5ddcknawxz6a4ak30jmf0kk1lrfsikf";

  };

  postUnpack = "sourceRoot+=/distribution-nixpkgs; echo source root reset to $sourceRoot";

  enableSeparateDataOutput = true;

  libraryHaskellDepends = [

    aeson

    base

    bytestring

    Cabal

    containers

    deepseq

    language-nix

    lens

    pretty

    process

  ];

  testHaskellDepends = [

    aeson

    base

    Cabal

    deepseq

    directory

    hspec

    language-nix

    lens

  ];

  homepage = "https://github.com/NixOS/cabal2nix/tree/master/distribution-nixpkgs#readme";

  description = "Types and functions to manipulate the Nixpkgs distribution";

  license = lib.licenses.bsd3;

}

pkgs/development/haskell-modules/cabal2nix-unstable/hackage-db.nix

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+44 −0
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# This file defines hackage-db-unstable, used by maintainers/scripts/haskell/regenerate-hackage-packages.sh.

{

  mkDerivation,

  aeson,

  base,

  bytestring,

  Cabal,

  containers,

  directory,

  exceptions,

  fetchzip,

  filepath,

  lib,

  tar,

  time,

  utf8-string,

}:

mkDerivation {

  pname = "hackage-db";

  version = "2.1.3-unstable-2025-08-10";

  src = fetchzip {

    url = "https://github.com/NixOS/cabal2nix/archive/31c6db234a905bbf4e8f34c5a986f294b231de0a.tar.gz";

    sha256 = "1ifbmcm5k8mxcpq4kscfc5ddcknawxz6a4ak30jmf0kk1lrfsikf";

  };

  postUnpack = "sourceRoot+=/hackage-db; echo source root reset to $sourceRoot";

  isLibrary = true;

  isExecutable = true;

  libraryHaskellDepends = [

    aeson

    base

    bytestring

    Cabal

    containers

    directory

    exceptions

    filepath

    tar

    time

    utf8-string

  ];

  homepage = "https://github.com/NixOS/cabal2nix/tree/master/hackage-db#readme";

  description = "Access cabal-install's Hackage database via Data.Map";

  license = lib.licenses.bsd3;

}

pkgs/development/haskell-modules/cabal2nix-unstable/language-nix.nix

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+32 −0
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# This file defines language-nix-unstable, used by maintainers/scripts/haskell/regenerate-hackage-packages.sh.

{

  mkDerivation,

  base,

  deepseq,

  fetchzip,

  lens,

  lib,

  parsec-class,

  pretty,

  QuickCheck,

}:

mkDerivation {

  pname = "language-nix";

  version = "2.2.0-unstable-2025-08-10";

  src = fetchzip {

    url = "https://github.com/NixOS/cabal2nix/archive/31c6db234a905bbf4e8f34c5a986f294b231de0a.tar.gz";

    sha256 = "1ifbmcm5k8mxcpq4kscfc5ddcknawxz6a4ak30jmf0kk1lrfsikf";

  };

  postUnpack = "sourceRoot+=/language-nix; echo source root reset to $sourceRoot";

  libraryHaskellDepends = [

    base

    deepseq

    lens

    parsec-class

    pretty

    QuickCheck

  ];

  homepage = "https://github.com/NixOS/cabal2nix/tree/master/language-nix#readme";

  description = "Data types and functions to represent the Nix language";

  license = lib.licenses.bsd3;

}