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91340aeea8
This was broken in `haskellPackages` for a long time, but it’s back! Time to give it a place in the toplevel and a prope) treatment: * Semi-static binary * Remove all references to `Paths_` modules of dependencies * gitit tries very hard to have a runtime dependency on GHC, disable that by default. Also added myself as a maintainer, let’s try to keep this working from now on. Fixes https://github.com/NixOS/nixpkgs/issues/32377
62 lines
2 KiB
Nix
62 lines
2 KiB
Nix
{ lib, haskellPackages, haskell, removeReferencesTo
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# “Plugins” are a fancy way of saying gitit will invoke
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# GHC at *runtime*, which in turn makes it pull GHC
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# into its runtime closure. Only enable if you really need
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# that feature. But if you do you’ll want to use gitit
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# as a library anyway.
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, pluginSupport ? false
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}:
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# this is similar to what we do with the pandoc executable
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let
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plain = haskellPackages.gitit;
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plugins =
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if pluginSupport
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then plain
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else haskell.lib.disableCabalFlag plain "plugins";
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static = haskell.lib.justStaticExecutables plugins;
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in
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(haskell.lib.overrideCabal static (drv: {
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buildTools = (drv.buildTools or []) ++ [ removeReferencesTo ];
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})).overrideAttrs (drv: {
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# These libraries are still referenced, because they generate
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# a `Paths_*` module for figuring out their version.
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# The `Paths_*` module is generated by Cabal, and contains the
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# version, but also paths to e.g. the data directories, which
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# lead to a transitive runtime dependency on the whole GHC distribution.
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# This should ideally be fixed in haskellPackages (or even Cabal),
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# but a minimal gitit is important enough to patch it manually.
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disallowedReferences = [
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haskellPackages.pandoc-types
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haskellPackages.HTTP
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haskellPackages.pandoc
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haskellPackages.happstack-server
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haskellPackages.filestore
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];
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postInstall = ''
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remove-references-to \
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-t ${haskellPackages.pandoc-types} \
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$out/bin/gitit
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remove-references-to \
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-t ${haskellPackages.HTTP} \
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$out/bin/gitit
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remove-references-to \
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-t ${haskellPackages.pandoc} \
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$out/bin/gitit
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remove-references-to \
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-t ${haskellPackages.happstack-server} \
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$out/bin/gitit
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remove-references-to \
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-t ${haskellPackages.filestore} \
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$out/bin/gitit
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'';
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meta = drv.meta // {
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maintainers = drv.meta.maintainers or []
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++ [ lib.maintainers.Profpatsch ];
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};
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})
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