2014-10-15 04:23:05 +01:00
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# This is a manually-written expression over an in-tree cabal file.
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# It's awkward but this way allows the package user to pass in
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# extraPackages without much extra hassle on their end, similarly how
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# the XMonad service handles it: the difference is that we don't have
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# anything like XMONAD_GHC…
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#
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# The idea is that the user changes their configs using any libraries
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# he likes and then builds it using this expression. Once that's done,
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# ‘reload’ and similar functions should all work as long as the user
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# doesn't need new libraries at which point they should add them to
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# extraPackages and rebuild from the expression.
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{ cabal, yi, extraPackages, makeWrapper }:
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cabal.mkDerivation (self: rec {
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pname = "yi-custom";
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version = "0.0.0.1";
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src = ./yi-custom-cabal;
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isLibrary = true;
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buildDepends = extraPackages ++ [ yi ];
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buildTools = [ makeWrapper ];
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noHaddock = true;
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doCheck = false;
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# Allows Yi to find the libraries it needs at runtime. We drop ‘:’
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# from this GHC_PACKAGE_PATH because we're wrapping over a different
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# wrapper that used --prefix: if we didn't, we end up with a
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# double-colon, confusing GHC.
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postInstall = ''
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makeWrapper ${yi}/bin/yi $out/bin/yi --set GHC_PACKAGE_PATH ''${GHC_PACKAGE_PATH%?}
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'';
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meta = {
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homepage = "http://haskell.org/haskellwiki/Yi";
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description = "Wrapper over user-specified Haskell libraries for use in Yi config";
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license = self.stdenv.lib.licenses.publicDomain;
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platforms = self.ghc.meta.platforms;
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maintainers = with self.stdenv.lib.maintainers; [ fuuzetsu ];
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2014-10-15 06:08:18 +01:00
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# The wrapper does not yet work properly if we actually try to use it.
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broken = true;
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2014-10-15 04:23:05 +01:00
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};
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})
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