ilyakooo0/nixpkgs
1
0
Fork 0
mirror of https://github.com/ilyakooo0/nixpkgs.git synced 2025-01-06 04:24:28 +03:00
Code Issues Projects Releases Wiki Activity

Merge pull request #61484 from chreekat/minimal-haskell-packaging-docs

Browse Source 
Add minimal docs for callHackage and friends
This commit is contained in:
Silvan Mosberger 2019-05-16 18:48:40 +02:00 committed by GitHub
commit 6c13c0f4ed
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 7 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
pkgs/development/haskell-modules/make-package-set.nix
View File

@ -118,6 +118,7 @@ let
inherit packages; inherit packages;
}; };
# Use cabal2nix to create a default.nix for the package sources found at 'src'.
haskellSrc2nix = { name, src, sha256 ? null, extraCabal2nixOptions ? "" }: haskellSrc2nix = { name, src, sha256 ? null, extraCabal2nixOptions ? "" }:
let let
sha256Arg = if isNull sha256 then "--sha256=" else ''--sha256="${sha256}"''; sha256Arg = if isNull sha256 then "--sha256=" else ''--sha256="${sha256}"'';
@ -174,8 +175,14 @@ in package-set { inherit pkgs stdenv callPackage; } self // {
inherit (haskellLib) packageSourceOverrides; 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); 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 # 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 # for any version that has been released on hackage as opposed to only
# versions released before whatever version of all-cabal-hashes you happen # versions released before whatever version of all-cabal-hashes you happen