56de2bcd43
https://github.com/NixOS/nixpkgs/blob/master/pkgs/stdenv/generic/setup.sh#L948 this can do it nicely. Signed-off-by: Anton Arapov <anton@deadbeef.mx>
11 lines
384 B
Nix
11 lines
384 B
Nix
# Hackage database snapshot, used by maintainers/scripts/regenerate-hackage-packages.sh
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# and callHackage
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{ lib, fetchurl }:
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let
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pin = builtins.fromJSON (builtins.readFile ./pin.json);
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in
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fetchurl {
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inherit (pin) url sha256;
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name = "all-cabal-hashes-${lib.substring 0 7 pin.commit}.tar.gz";
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passthru.updateScript = ../../../../maintainers/scripts/haskell/update-hackage.sh;
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}
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