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| author | Vladimír Čunát <vcunat@gmail.com> | 2018-08-13 20:42:33 +0200 |
|---|---|---|
| committer | Vladimír Čunát <vcunat@gmail.com> | 2018-08-13 20:43:59 +0200 |
| commit | 5b0398dc36ce5746d8d54e04a1dfcab25939484a (patch) | |
| tree | 35dbf68b90a8b5e2cbbbbc3ccfbc2529d4c5ca23 /doc | |
| parent | 34baf00b72ad0932f6a2add6cee88d2e8b7bec8e (diff) | |
| parent | 249ba3d3ed76e34f61ab7bb2024b013f3feaafb9 (diff) | |
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Merge branch 'master' into staging-next
Conflicts: gobby and libinfinity - I took the hand-edited versions instead of those resuting from the mass-replacement. Hydra: ?compare=1473190
Diffstat (limited to 'doc')
| -rw-r--r-- | doc/languages-frameworks/haskell.section.md | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/doc/languages-frameworks/haskell.section.md b/doc/languages-frameworks/haskell.section.md index c0dc741eabc..7677c366191 100644 --- a/doc/languages-frameworks/haskell.section.md +++ b/doc/languages-frameworks/haskell.section.md @@ -1047,6 +1047,19 @@ As you can see, `packunused` finds out that although the testsuite component has no redundant dependencies the library component of `scientific-0.3.5.1` depends on `ghc-prim` which is unused in the library. +### Using hackage2nix with nixpkgs + +Hackage package derivations are found in the +[`hackage-packages.nix`](https://github.com/NixOS/nixpkgs/blob/master/pkgs/development/haskell-modules/hackage-packages.nix) +file within `nixpkgs` and are used as the initial package set for +`haskellPackages`. The `hackage-packages.nix` file is not meant to be edited +by hand, but rather autogenerated by [`hackage2nix`](https://github.com/NixOS/cabal2nix/tree/master/hackage2nix), +which by default uses the [`configuration-hackage2nix.yaml`](https://github.com/NixOS/nixpkgs/blob/master/pkgs/development/haskell-modules/configuration-hackage2nix.yaml) +file to generate all the derivations. + +To modify the contents `configuration-hackage2nix.yaml`, follow the +instructions on [`hackage2nix`](https://github.com/NixOS/cabal2nix/tree/master/hackage2nix). + ## Other resources - The Youtube video [Nix Loves Haskell](https://www.youtube.com/watch?v=BsBhi_r-OeE) |