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| author | Silvan Mosberger <infinisil@icloud.com> | 2019-05-16 18:48:40 +0200 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2019-05-16 18:48:40 +0200 |
| commit | 6c13c0f4edfe233b1f5345d0310265f2217f47ec (patch) | |
| tree | ff2d2db1cb9452f3add048227f0b75cc4dc1b54a /pkgs/development/haskell-modules | |
| parent | 23f8de06fba0c33342a132fec11f2b079289478e (diff) | |
| parent | 6a74ba96fdb4c22146ca4672834d3b6df9c46c86 (diff) | |
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Merge pull request #61484 from chreekat/minimal-haskell-packaging-docs
Add minimal docs for callHackage and friends
Diffstat (limited to 'pkgs/development/haskell-modules')
| -rw-r--r-- | pkgs/development/haskell-modules/make-package-set.nix | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/pkgs/development/haskell-modules/make-package-set.nix b/pkgs/development/haskell-modules/make-package-set.nix index 6b5ecc1df8a..fbe1f991d92 100644 --- a/pkgs/development/haskell-modules/make-package-set.nix +++ b/pkgs/development/haskell-modules/make-package-set.nix @@ -118,6 +118,7 @@ let inherit packages; }; + # Use cabal2nix to create a default.nix for the package sources found at 'src'. haskellSrc2nix = { name, src, sha256 ? null, extraCabal2nixOptions ? "" }: let sha256Arg = if isNull sha256 then "--sha256=" else ''--sha256="${sha256}"''; @@ -174,8 +175,14 @@ in package-set { inherit pkgs stdenv callPackage; } self // { inherit (haskellLib) packageSourceOverrides; + # callHackage :: Text -> Text -> AttrSet -> HaskellPackage + # + # e.g., while overriding a package set: + # '... foo = self.callHackage "foo" "1.5.3" {}; ...' callHackage = name: version: callPackageKeepDeriver (self.hackage2nix name version); + # callHackageDirect :: Text -> Text -> AttrSet -> HaskellPackage + # # This function does not depend on all-cabal-hashes and therefore will work # for any version that has been released on hackage as opposed to only # versions released before whatever version of all-cabal-hashes you happen |