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callCabal2nix: Passthru deriver

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This commit is contained in:
Will Fancher 2018-08-02 09:48:06 -04:00
parent dae9cf6106
commit 08b766921d
1 changed files with 7 additions and 0 deletions
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7
pkgs/development/haskell-modules/make-package-set.nix
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@ -159,6 +159,13 @@ let
# Generated from ${src} # Generated from ${src}
${orig.preConfigure or ""} ${orig.preConfigure or ""}
''; '';
passthru = orig.passthru or {} // {
# When using callCabal2nix or callHackage, it is often useful
# to debug a failure by inspecting the Nix expression
# generated by cabal2nix. This can be accessed via this
# cabal2nixDeriver field.
cabal2nixDeriver = src;
};
}); });
in package-set { inherit pkgs stdenv callPackage; } self // { in package-set { inherit pkgs stdenv callPackage; } self // {