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https://github.com/nmattia/niv.git
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f275964bb0
* refactor: Inherit where possible As recommended by `statix check`. * refactor: Remove unnecessary parentheses As recommended by `statix check`. * refactor: Remove unnecessary comparison with `true` As recommended by `statix check`. * refactor: Avoid using deprecated `isNull` As recommended by `statix check` and the documentation <https://nixos.org/manual/nix/stable/language/builtins.html#builtins-isNull>. * refactor: Simplify conditionals As recommended by `statix check`. * Update sources version --------- Co-authored-by: Nicolas Mattia <nicolas@nmattia.com>
88 lines
2.7 KiB
Nix
88 lines
2.7 KiB
Nix
{ haskellPackages
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, stdenv
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, lib
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}:
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{
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buildPackage =
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attrs:
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let
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src = if !lib.isDerivation attrs && lib.isAttrs attrs then attrs.src else attrs;
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root = if !lib.isDerivation attrs && lib.isAttrs attrs then attrs.root else attrs;
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nubdeps = ds: lib.lists.sort (x: y: x < y) (
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lib.unique (
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map (d: lib.head (lib.splitString " " d)) ds
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)
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);
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spec = builtins.fromJSON (builtins.readFile (root + "/package.yaml"));
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commonDeps = spec.dependencies;
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libraryExtraDeps =
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lib.optionals
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(spec ? library && spec.library ? dependencies)
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spec.library.dependencies;
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libraryDeps = nubdeps (commonDeps ++ libraryExtraDeps);
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exeExtraDeps = lib.optionals (spec ? executables) (
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lib.concatMap
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(
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exe: lib.optionals
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(exe ? dependencies)
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exe.dependencies
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)
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(builtins.attrValues spec.executables)
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);
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exeDeps =
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nubdeps
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(
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builtins.filter (x: x != spec.name)
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(commonDeps ++ exeExtraDeps)
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);
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testExtraDeps = lib.optionals (spec ? tests) (
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lib.concatMap
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(
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test: lib.optionals
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(test ? dependencies)
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test.dependencies
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)
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(builtins.attrValues spec.tests)
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);
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testDeps = nubdeps (builtins.filter (x: x != spec.name) (commonDeps ++ testExtraDeps));
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depsFor = depType:
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map (
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d:
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if ! builtins.hasAttr d haskellPackages
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then throw "haskellPackages does not contain dependency '${d}' needed for '${depType}'"
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else
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haskellPackages.${d}
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);
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in
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haskellPackages.callPackage
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(
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{ mkDerivation }:
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mkDerivation {
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pname = spec.name;
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inherit (spec) version;
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inherit src;
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isLibrary = builtins.hasAttr "library" spec;
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isExecutable = builtins.hasAttr "executables" spec;
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enableSeparateDataOutput = true;
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libraryHaskellDepends = depsFor "libraryHaskellDepends" libraryDeps;
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libraryToolDepends = [ haskellPackages.hpack ];
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executableHaskellDepends = depsFor "executableHaskellDepends" exeDeps;
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testHaskellDepends = depsFor "testHaskellDepends" testDeps;
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prePatch = "hpack";
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homepage = "https://github.com/${spec.github}#readme";
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description = spec.synopsis;
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license =
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if builtins.hasAttr "license" spec && spec.license == "MIT"
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then lib.licenses.mit
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else throw "Don't know how to handle license: ${builtins.toJSON spec.license}";
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}
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)
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{ };
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}
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