add source to nvfetch of tree-sitter lib

pkgs/helix/runtime.nix

@@ -0,0 +1,94 @@
+{
+  lib,
+  srcs,
+  stdenv,
+  runCommandNoCCLocal,
+  ...
+}:
+let
+  buildGrammar =
+    grammar:
+    stdenv.mkDerivation {
+      pname = "helix-tree-sitter-${grammar.name}";
+      version = grammar.version;
+      src = grammar.src;
+      # sourceRoot = "source";
+
+      dontConfigue = true;
+
+      FLAGS = [
+        "-Isrc"
+        "-g"
+        "-O3"
+        "-fPIC"
+        "-fno-exceptions"
+        "-Wl,-z,relro,-z,now"
+      ];
+
+      NAME = grammar.name;
+
+      buildPhase = ''
+        runHook preBuild
+
+        if [[ -e src/scanner.cc ]]; then
+          $CXX -c src/scanner.cc -o scanner.o $FLAGS
+        elif [[ -e src/scanner.c ]]; then
+          $CC -c src/scanner.c -o scanner.o $FLAGS
+        fi
+
+        $CC -c src/parser.c -o parser.o $FLAGS
+        $CXX -shared -o $NAME.so *.o
+
+        ls -al
+
+        runHook postBuild
+      '';
+
+      installPhase = ''
+        runHook preInstall
+
+        mkdir $out
+        mv $NAME.so $out/
+
+        runHook postInstall
+      '';
+
+      fixupPhase = lib.optionalString stdenv.isLinux ''
+        runHook preFixup
+
+        $STRIP $out/$NAME.so
+
+        runHook postFixup
+      '';
+    };
+  grammars = lib.filterAttrs (key: _: lib.hasPrefix "tree-sitter-" key) srcs;
+
+  queries = lib.mapAttrsToList (_: value: ''
+    mkdir -p $out/${value.name}
+
+    ln -s ${value.src}/queries/* $out/${value.name}/
+  '') grammars;
+  builtGrammars = builtins.mapAttrs (_: v: {
+    inherit (v) name;
+    value = buildGrammar v;
+  }) grammars;
+  grammarLinks = lib.mapAttrsToList (
+    _: value: "ln -s ${value.value}/${value.name}.so $out/${value.name}.so"
+  ) builtGrammars;
+  grammarDir = runCommandNoCCLocal "helix-grammars" { } ''
+    mkdir -p $out
+
+    ${builtins.concatStringsSep "\n" grammarLinks}
+  '';
+  queryDir = runCommandNoCCLocal "helix-query" { } ''
+    mkdir -p $out
+
+    ${builtins.concatStringsSep "\n" queries}
+  '';
+in
+runCommandNoCCLocal "helix-runtime" { } ''
+  mkdir -p $out
+
+  ln -s ${grammarDir} $out/grammars
+  ln -s ${queryDir} $out/queries
+''