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Make package sources independent #57

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Merged
roberth merged 1 commit into from
Jan 18, 2023
Merged

Make package sources independent #57

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11 changes: 10 additions & 1 deletion flake-module.nix
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Original file line number Diff line number Diff line change
Expand Up @@ -169,9 +169,18 @@ in
localPackagesOverlay = self: _:
let
fromSdist = self.buildFromCabalSdist or (builtins.trace "Your version of Nixpkgs does not support hs.buildFromCabalSdist yet." (pkg: pkg));
filterSrc = name: src: lib.cleanSourceWith { inherit src name; filter = path: type: true; };
in
lib.mapAttrs
(name: value: fromSdist (self.callCabal2nix name value.root { }))
(name: value:
let
# callCabal2nix does not need a filtered source. It will
# only pick out the cabal and/or hpack file.
pkgProto = self.callCabal2nix name value.root { };
pkgFiltered = pkgs.haskell.lib.overrideSrc pkgProto {
src = filterSrc name value.root;
};
in fromSdist pkgFiltered)
cfg.packages;
finalOverlay =
pkgs.lib.composeManyExtensions
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