feat(nvim): various lsps

completion.lua

@@ -109,3 +109,12 @@ lspconfig.clangd.setup({cmd = {(deps["clang-tools_path"] .. "/bin/clangd")}})
 lspconfig.bashls.setup({
     cmd = {(deps["bash-language-server_path"] .. "/bin/bash-language-server")}
 })
+lspconfig.pylsp.setup({
+  cmd = { (deps["python-lsp-server_path"] .. "/bin/pylsp") },
+})
+lspconfig.lua_ls.setup({
+  cmd = { (deps["lua-lsp_path"] .. "/bin/lua-lsp") },
+})
+lspconfig.yamlls.setup({
+  cmd = { (deps["yaml-language-server_path"] .. "/bin/yaml-language-server"), "--stdio" },
+})

default.nix

@@ -1,6 +1,17 @@
-{ config, pkgs, lib, ... }: with lib; let
-  rust-analyzer = if (pkgs ? rust-analyzer-nightly && config.class ? dev) then pkgs.rust-analyzer-nightly else pkgs.rust-analyzer;
-  rust-sdk = with pkgs; if config.class ? dev then
+{
+  config,
+  pkgs,
+  lib,
+  ...
+}:
+with lib; let
+  rust-analyzer =
+    if (pkgs ? rust-analyzer-nightly && config.class ? dev)
+    then pkgs.rust-analyzer-nightly
+    else pkgs.rust-analyzer;
+  rust-sdk = with pkgs;
+    if config.class ? dev
+    then
       symlinkJoin
       {
         name = "nvim-fenix";
@@ -15,10 +26,13 @@
           ])
           cargo-watch
         ];
-      } else symlinkJoin { name = "nvim-rust"; paths = [ rustc cargo rustfmt clippy cargo-watch ]; };
-in
-{
-
+      }
+    else
+      symlinkJoin {
+        name = "nvim-rust";
+        paths = [rustc cargo rustfmt clippy cargo-watch];
+      };
+in {
   programs.neovim = {
     # https://github.com/nix-community/home-manager/blob/master/modules/programs/neovim.nix
     enable = true;
@@ -58,7 +72,11 @@ in
       cmp-calc
       cmp-cmdline
       rustaceanvim
-      (if config.programs.neovim.package.version == "0.10.0" then throw "lsp-inlayhints-nvim may be removed" else lsp-inlayhints-nvim) # https://github.com/mrcjkb/rustaceanvim/discussions/46#discussioncomment-7620822
+      (
+        if config.programs.neovim.package.version == "0.10.0"
+        then throw "lsp-inlayhints-nvim may be removed"
+        else lsp-inlayhints-nvim
+      ) # https://github.com/mrcjkb/rustaceanvim/discussions/46#discussioncomment-7620822
       plenary-nvim
       crates-nvim
       nvim-lspconfig
@@ -66,23 +84,45 @@ in
       telescope-undo-nvim
       oil-nvim
     ];
-    extraLuaConfig =
-      let
+    extraLuaConfig = let
       # tries to compute a package set required to make package resolution in lua
       # via deps["pkg"] work
-        packages = file:
-          let
+      inherit (builtins) head tail hasAttr getAttr;
+      pkg = parts: pkgs: let
+        rem = tail parts;
+        subset =
+          if hasAttr (head parts) pkgs
+          then getAttr (head parts) pkgs
+          else throw "no attr ${name}";
+      in
+        if rem == []
+        then subset
+        else builtins.addErrorContext "${concatStringsSep "." parts}" (pkg rem subset);
+      getPkg = name: let parts = builtins.split "\\." name; in pkg parts pkgs;
+      packages = file: let
         out = builtins.readFile (pkgs.runCommandLocal "extract-deps"
-              { nativeBuildInputs = [ pkgs.gnused ]; __contentAddressed = true; } ''
+          {
+            nativeBuildInputs = [pkgs.gnused];
+            __contentAddressed = true;
+          } ''
             sed -nr 's/.*(deps\["(.*)_path"\]).*/\2/p' ${file} | uniq > $out
           '');
         names = lib.splitString "\n" out;
       in
         filter (name: name != "") names;
-        paths = (listToAttrs (map (name: { inherit name; value = builtins.getAttr name pkgs; }) (packages "${confDir}/*.lua"))) // {
+      paths =
+        (listToAttrs (map
+          (name: {
+            inherit name;
+            value = getPkg name;
+          })
+          (packages "${confDir}/*.lua")))
+        // {
           lldb = pkgs.lldb;
           rust_analyzer = rust-analyzer;
           typst_lsp = pkgs.typst-lsp;
+          inherit (pkgs.python3Packages) python-lsp-server;
+          inherit (pkgs.luajitPackages) lua-lsp;
           inherit (pkgs.nodePackages) typescript-language-server bash-language-server;
         };
       pathsLua = pkgs.writeTextFile {
@@ -102,16 +142,22 @@ in
       '';
   };
   programs.git.ignores = [".nvim_session"];
-  xdg.configFile."nvim/coc-settings.json".text =
-    let
-      preferProjectEnv = binName: alternate: pkgs.writeShellScript "${binName}-switcher" ''
+  xdg.configFile."nvim/coc-settings.json".text = let
+    preferProjectEnv = binName: alternate:
+      pkgs.writeShellScript "${binName}-switcher" ''
         if command -v ${binName}; then
           ${binName} ''${@}
         else
           ${alternate} ''${@}
         fi
       '';
-      addSDK = { name, lsp, sdk }: with pkgs; runCommandLocal name
+    addSDK = {
+      name,
+      lsp,
+      sdk,
+    }:
+      with pkgs;
+        runCommandLocal name
         {
           nativeBuildInputs = [makeWrapper];
         } ''
@@ -150,7 +196,6 @@ in
               body = ''format!($${receiver})'';
               description = "use receiver as format string";
               scope = "expr";
-
             };
             "wrap { .. }" = {
               postfix = ["brace" "wrap"];
@@ -196,7 +241,10 @@ in
             };
           };
         };
-        procMacro = { enable = true; attributes.enable = true; };
+        procMacro = {
+          enable = true;
+          attributes.enable = true;
+        };
         serverPath = addSDK {
           name = "rust-env";
           lsp = "${rust-analyzer}/bin/rust-analyzer";

init.lua

@@ -239,3 +239,4 @@ lspconfig.nil_ls.setup {
 
 require("lsp-inlayhints").setup()
 require("completion")
+require("rust")