Get started on trying nix

.gitignore

@@ -0,0 +1 @@
+result

flake.lock

@@ -0,0 +1,27 @@
+{
+  "nodes": {
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1777954456,
+        "narHash": "sha256-hGdgeU2Nk87RAuZyYjyDjFL6LK7dAZN5RE9+hrDTkDU=",
+        "owner": "nixos",
+        "repo": "nixpkgs",
+        "rev": "549bd84d6279f9852cae6225e372cc67fb91a4c1",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nixos",
+        "ref": "nixos-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "nixpkgs": "nixpkgs"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}

flake.nix

@@ -0,0 +1,22 @@
+{
+  description = "A flake for my entire neovim configuration and setup";
+
+  inputs = {
+    nixpkgs.url = "github:nixos/nixpkgs?ref=nixos-unstable";
+  };
+
+  outputs = { self, nixpkgs }:
+    let 
+      system = "x86_64-linux";
+      pkgs = nixpkgs.legacyPackages.${system};
+    in
+    {
+      packages.${system}.default = pkgs.neovim;
+
+      devShells.${system}.default = pkgs.mkShell {
+        packages = [
+          pkgs.neovim
+        ];
+      };
+    };
+}

init.lua

@@ -51,6 +51,8 @@ vim.lsp.enable('tsserver')
 --  },
 --})
 vim.lsp.enable('ruby-lsp')
+vim.lsp.enable('java-lsp')
+vim.lsp.enable('clangd-lsp')
 
 -- Setup Treesitter
 require'nvim-treesitter'.setup {

lazy-lock.json

@@ -5,13 +5,13 @@
   "cmp-path": { "branch": "main", "commit": "c642487086dbd9a93160e1679a1327be111cbc25" },
   "crates.nvim": { "branch": "main", "commit": "694357861ec9ebf12475ddcdd04ea45a0923c32d" },
   "lazy.nvim": { "branch": "main", "commit": "306a05526ada86a7b30af95c5cc81ffba93fef97" },
-  "lean.nvim": { "branch": "main", "commit": "999fab45a246478148ea54501f3bfc1e07a208a2" },
+  "lean.nvim": { "branch": "main", "commit": "75b7822d565054606af84fa61771eb0030e2ceec" },
   "neo-tree.nvim": { "branch": "v3.x", "commit": "84c75e7a7e443586f60508d12fc50f90d9aee14e" },
   "nightfly": { "branch": "master", "commit": "4980ccc6de5f361fc9da116240ce7592e7d9a53a" },
   "nui.nvim": { "branch": "main", "commit": "de740991c12411b663994b2860f1a4fd0937c130" },
   "nvim-cmp": { "branch": "main", "commit": "a1d504892f2bc56c2e79b65c6faded2fd21f3eca" },
-  "nvim-lspconfig": { "branch": "master", "commit": "bf5abe69c1874531f359a822d0cff4d73e26113f" },
+  "nvim-lspconfig": { "branch": "master", "commit": "451d4ef9abd4f0f08e379ef0d55d1c391b6125a7" },
-  "nvim-treesitter": { "branch": "main", "commit": "4916d6592ede8c07973490d9322f187e07dfefac" },
+  "nvim-treesitter": { "branch": "master", "commit": "cf12346a3414fa1b06af75c79faebe7f76df080a" },
   "nvim-web-devicons": { "branch": "master", "commit": "4fc505ac7bd7692824a142e96e5f529c133862f8" },
   "plenary.nvim": { "branch": "master", "commit": "74b06c6c75e4eeb3108ec01852001636d85a932b" },
   "rustaceanvim": { "branch": "master", "commit": "88575b98bb9937fb9983ddec5e532b67e75ce677" },

lsp/clangd-lsp.lua

@@ -0,0 +1,25 @@
+return {
+  filetypes = { "c", "cpp", "h" },
+  cmd = { "clangd-18", '--background-index', '--clang-tidy', '--log=verbose',
+        "--header-insertion=iwyu",
+        "--completion-style=detailed",
+        "--function-arg-placeholders",
+        "--fallback-style=llvm",
+      },
+  root_markers = {
+    "compile_commands.json",
+    "compile_flags.txt",
+    "configure.ac", -- AutoTools
+    "Makefile",
+    "configure.ac",
+    "configure.in",
+    "config.h.in",
+    "meson.build",
+    "meson_options.txt",
+    "build.ninja",
+    ".git",
+  },
+  init_options = {
+    clangdFileStatus = true,
+  },
+}

lsp/java-lsp.lua

@@ -0,0 +1,7 @@
+-- Install jdtls by hand, then use this
+-- https://github.com/eclipse-jdtls/eclipse.jdt.ls
+return {
+  filetypes = { "java" },
+  cmd = { "jdtls" },
+  root_markers = { ".git" },
+}