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{
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lib,
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rustPlatform,
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callPackage,
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runCommand,
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installShellFiles,
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git,
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gitRev ? null,
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grammarOverlays ? [],
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includeGrammarIf ? _: true,
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}: let
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fs = lib.fileset;
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src = fs.difference (fs.gitTracked ./.) (fs.unions [
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./.envrc
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./rustfmt.toml
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./screenshot.png
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./book
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./docs
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./runtime
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./flake.lock
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(fs.fileFilter (file: lib.strings.hasInfix ".git" file.name) ./.)
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(fs.fileFilter (file: file.hasExt "svg") ./.)
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(fs.fileFilter (file: file.hasExt "md") ./.)
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(fs.fileFilter (file: file.hasExt "nix") ./.)
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]);
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# Next we actually need to build the grammars and the runtime directory
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# that they reside in. It is built by calling the derivation in the
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# grammars.nix file, then taking the runtime directory in the git repo
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# and hooking symlinks up to it.
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grammars = callPackage ./grammars.nix {inherit grammarOverlays includeGrammarIf;};
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runtimeDir = runCommand "helix-runtime" {} ''
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mkdir -p $out
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ln -s ${./runtime}/* $out
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rm -r $out/grammars
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ln -s ${grammars} $out/grammars
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'';
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in
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rustPlatform.buildRustPackage (self: {
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cargoLock = {
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lockFile = ./Cargo.lock;
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# This is not allowed in nixpkgs but is very convenient here: it allows us to
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# avoid specifying `outputHashes` here for any git dependencies we might take
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# on temporarily.
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allowBuiltinFetchGit = true;
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};
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propagatedBuildInputs = [ runtimeDir ];
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nativeBuildInputs = [
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installShellFiles
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git
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];
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buildType = "release";
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name = with builtins; (fromTOML (readFile ./helix-term/Cargo.toml)).package.name;
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src = fs.toSource {
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root = ./.;
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fileset = src;
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};
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# Helix attempts to reach out to the network and get the grammars. Nix doesn't allow this.
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HELIX_DISABLE_AUTO_GRAMMAR_BUILD = "1";
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# So Helix knows what rev it is.
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HELIX_NIX_BUILD_REV = gitRev;
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doCheck = false;
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strictDeps = true;
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# Sets the Helix runtime dir to the grammars
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env.HELIX_DEFAULT_RUNTIME = "${runtimeDir}";
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# Get all the application stuff in the output directory.
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postInstall = ''
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mkdir -p $out/lib
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installShellCompletion ${./contrib/completion}/hx.{bash,fish,zsh}
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mkdir -p $out/share/{applications,icons/hicolor/{256x256,scalable}/apps}
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cp ${./contrib/Helix.desktop} $out/share/applications/Helix.desktop
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cp ${./logo.svg} $out/share/icons/hicolor/scalable/apps/helix.svg
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cp ${./contrib/helix.png} $out/share/icons/hicolor/256x256/apps/helix.png
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'';
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meta.mainProgram = "hx";
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})
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