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Merge pull request #202 from cdepillabout/flake
Add flake for nix users
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,154 @@ | ||
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| let | ||
| # An overlay that adds termonad to all haskell package sets. | ||
| haskellPackagesOverlay = self: super: { | ||
| haskell = super.haskell // { | ||
| packageOverrides = hself: hsuper: | ||
| super.haskell.packageOverrides hself hsuper // { | ||
| termonad = | ||
| let | ||
| filesToIgnore = [ | ||
| "default.nix" | ||
| "flake.nix" | ||
| "flake.lock" | ||
| ".git" | ||
| ".nix-helpers" | ||
| "result" | ||
| "shell.nix" | ||
| ".stack-work" | ||
| "stack.yaml" | ||
| "stack-nightly.yaml" | ||
| ".travis.yml" | ||
| ]; | ||
|
|
||
| src = | ||
| builtins.path { | ||
| # Naming this path makes sure that people will get the same | ||
| # hash even if they checkout the termonad repo into a | ||
| # directory called something else. | ||
| name = "termonad-src"; | ||
| path = ./..; | ||
| filter = path: type: | ||
| with self.lib; | ||
| ! elem (baseNameOf path) filesToIgnore && | ||
| ! any (flip hasPrefix (baseNameOf path)) [ "dist" ".ghc" ]; | ||
| }; | ||
|
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| extraCabal2nixOptions = | ||
| self.lib.optionalString self.termonadBuildExamples "-fbuildexamples"; | ||
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| termonadDrv = | ||
| hself.callCabal2nixWithOptions | ||
| "termonad" | ||
| src | ||
| extraCabal2nixOptions | ||
| { | ||
| # There are Haskell packages called gtk3 and pcre2, which | ||
| # makes these system dependencies not able to be resolved | ||
| # correctly. | ||
| inherit (self) gtk3 pcre2; | ||
| vte_291 = self.vte; | ||
| }; | ||
| in | ||
| termonadDrv; | ||
| }; | ||
| }; | ||
|
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| # This defines which compiler version is used to build Termonad. | ||
| # | ||
| # Either this, or termonadKnownWorkingHaskellPkgSet can be changed in an overlay | ||
| # if you want to use a different GHC to build Termonad. | ||
| termonadCompilerVersion = "ghc8107"; | ||
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| # A Haskell package set where we know the GHC version works to compile | ||
| # Termonad. This is basically just a shortcut so that other Nix files | ||
| # don't need to figure out the correct compiler version to use when it is | ||
| # not given by the user. | ||
| termonadKnownWorkingHaskellPkgSet = self.haskell.packages.${self.termonadCompilerVersion}; | ||
|
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||
| # See ./nixpkgs.nix for an explanation of that this does. | ||
| termonadBuildExamples = false; | ||
|
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| # See ./nixpkgs.nix for an explanation of that this does. | ||
| termonadIndexTermonad = false; | ||
|
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||
| # This is a shell environment for hacking on Termonad with cabal. See the | ||
| # top-level shell.nix for an explanation. | ||
| termonadShell = | ||
| let | ||
| # Nix-shell environment for hacking on termonad. | ||
| termonadEnv = self.termonadKnownWorkingHaskellPkgSet.termonad.env; | ||
|
|
||
| # Build tools that are nice to have. It is okay to get Haskell build tools | ||
| # from any Haskell package set, since they do not depend on the GHC version | ||
| # we are using. We get these from the normal haskellPackages pkg set because | ||
| # then they don't have to be compiled from scratch. | ||
| convenientNativeBuildTools = [ | ||
| self.cabal-install | ||
| self.gnome3.glade | ||
| self.haskellPackages.ghcid | ||
| self.hlint | ||
| ]; | ||
| in | ||
|
|
||
| if self.termonadIndexTermonad | ||
| then | ||
| termonadEnv.overrideAttrs (oldAttrs: { | ||
| nativeBuildInputs = | ||
| let | ||
| ghcEnvWithTermonad = | ||
| self.termonadKnownWorkingHaskellPkgSet.ghcWithHoogle (hpkgs: [ hpkgs.termonad ]); | ||
| in | ||
| oldAttrs.nativeBuildInputs ++ convenientNativeBuildTools ++ [ ghcEnvWithTermonad ]; | ||
| }) | ||
| else | ||
| self.termonadKnownWorkingHaskellPkgSet.shellFor { | ||
| withHoogle = true; | ||
| packages = hpkgs: [ hpkgs.termonad ]; | ||
| nativeBuildInputs = termonadEnv.nativeBuildInputs ++ convenientNativeBuildTools; | ||
| }; | ||
|
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||
| # Default Haskell packages that you can use in your Termonad configuration. | ||
| # This is only used if the user doesn't specify the extraHaskellPackages | ||
| # option. | ||
| termonadExtraHaskellPackages = hpkgs: with hpkgs; [ | ||
| colour | ||
| lens | ||
| ]; | ||
|
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||
| termonad-with-packages = | ||
| let | ||
| # GHC environment that has termonad available, as well as the packages | ||
| # specified above in extraHaskellPackages. | ||
| env = | ||
| self.termonadKnownWorkingHaskellPkgSet.ghcWithPackages | ||
| (hpkgs: [ hpkgs.termonad ] ++ self.termonadExtraHaskellPackages hpkgs); | ||
| in | ||
| self.stdenv.mkDerivation { | ||
| name = "termonad-with-packages-ghc-${env.version}"; | ||
| buildInputs = [ | ||
| self.gdk_pixbuf | ||
| self.gnome3.adwaita-icon-theme | ||
| self.hicolor-icon-theme | ||
| ]; | ||
| nativeBuildInputs = [ self.wrapGAppsHook ]; | ||
| dontBuild = true; | ||
| unpackPhase = ":"; | ||
| # Using installPhase instead of buildCommand was recommended here: | ||
| # https://github.com/cdepillabout/termonad/pull/109 | ||
| installPhase = '' | ||
| runHook preInstall | ||
| mkdir -p $out/bin | ||
| ln -sf ${env}/bin/termonad $out/bin/termonad | ||
| gappsWrapperArgs+=( | ||
| --set NIX_GHC "${env}/bin/ghc" | ||
| ) | ||
| runHook postInstall | ||
| ''; | ||
| preferLocalBuild = true; | ||
| allowSubstitutes = false; | ||
| }; | ||
| }; | ||
| in | ||
|
|
||
| [ haskellPackagesOverlay ] |
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