Fix omnisharp language server bits

nix/base-system/flake.nix

@@ -43,7 +43,7 @@
         environment.variables = {
           EDITOR="nvim";
           PAGER="less -R";
-		  OMNISHARP_BIN = "${pkgs.omnisharp-roslyn}/bin/run";
+		  OMNISHARP_BIN = "${pkgs.omnisharp-roslyn}/bin/OmniSharp";
         };
 
         environment.etc."nvim.lua" = {
@@ -131,6 +131,7 @@
             (tlaplus.override {
               adoptopenjdk-bin = jdk;
             })
+            luajitPackages.lua-lsp
             jdk
             plantuml-c4
             texlive.combined.scheme-basic

nix/base-system/init.lua

@@ -3,29 +3,41 @@
 vim.opt.termguicolors = true
 vim.cmd.colorscheme 'duskfox'
 
+-- turn on relative line numbers
+vim.opt.relativenumber = true
+
 --https://github.com/neovim/nvim-lspconfig/blob/master/doc/server_configurations.md
 
-local lsconfig = require("lspconfig")
+local lspconfig = require("lspconfig")
 -- Nix language server support
-lsconfig.nil_ls.setup{}
+lspconfig.nil_ls.setup{}
 
-local vim_pid = vim.fn.pid()
+local vim_pid = vim.fn.getpid()
 
+local omnisharp_cmd = { tostring(vim.env.OMNISHARP_BIN), '--languageserver', '--hostPID',  tostring(vim_pid) }
 -- This needs a path to the omnisharp dll provided. We depend on the OMNISHARP_BIN environment variable being set to make this work.
-lsconfig.omnisharp.setup {
-    cmd = {
-        omnisharp_bin = { vim.env.OMNISHARP_BIN, '--languageserver', '--hostPID',  to_string(vim_pid) },
-    },
+lspconfig.omnisharp.setup {
+    cmd = omnisharp_cmd,
+    enable_roslyn_analyzers = true,
+    enable_editorconfig_support = true,
+    organize_imports_on_format = true,
+    -- Omnisharp has issues with the semanticTokens feature. disable it for this language server.
+    on_attach = function(client, bufnr)
+        client.server_capabilities.semanticTokensProvider = nil
+    end,
 }
 
 -- Java language server support
-lsconfig.java_language_server.setup{}
+lspconfig.java_language_server.setup{}
 
 -- Typescript language server support
-lsconfig.tsserver.setup{}
+lspconfig.tsserver.setup{}
 
 -- Rust language server support
-lsconfig.rust_analyzer.setup{}
+lspconfig.rust_analyzer.setup{}
+
+-- lua language server setup.
+lspconfig.lua_ls.setup{}
 
 -- lsp configuration
 vim.api.nvim_create_autocmd('LspAttach', {
@@ -172,6 +184,17 @@ require("nvim-tree").setup{
     },
 }
 
+require('trouble').setup{
+    icons = false,
+    signs = {
+        hint = "➡️",
+        information = "🗒️",
+        warning = "⚠️",
+        error = "🔥",
+        other = "?",
+    },
+}
+
 vim.keymap.set("n", "<C-p>", function()
     require("nvim-tree.api").tree.toggle()
 end)

nix/darwin/flake.lock

@@ -34,12 +34,12 @@
       },
       "locked": {
         "lastModified": 1,
-        "narHash": "sha256-YrrxHkALyausm0D+AM11ASh69rin9vjriAiqN/rJyEY=",
-        "path": "/nix/store/2nxf006c1lj38nalx661gpv1c8wc36bq-source/nix/base-system",
+        "narHash": "sha256-HD18bp7KhmwBmkiSS4g6MgdMbxh19lL0o7xJKGh1V7I=",
+        "path": "/nix/store/a063h2b1fhppg1xc39ccclmlxnalxmk5-source/nix/base-system",
         "type": "path"
       },
       "original": {
-        "path": "/nix/store/2nxf006c1lj38nalx661gpv1c8wc36bq-source/nix/base-system",
+        "path": "/nix/store/a063h2b1fhppg1xc39ccclmlxnalxmk5-source/nix/base-system",
         "type": "path"
       }
     },