From 567e8c10d2dfdcc06b1bfc8c3a1d93e5dfd78c9c Mon Sep 17 00:00:00 2001
From: Evan Reichard <evan@reichard.io>
Date: Thu, 6 Nov 2025 09:26:34 -0500
Subject: [PATCH] feat(nvim): add omnisharp

---
 .../terminal/nvim/config/lua/lsp-config.lua   | 19 ++++++++++++++++---
 .../home/programs/terminal/nvim/default.nix   |  1 +
 2 files changed, 17 insertions(+), 3 deletions(-)

diff --git a/modules/home/programs/terminal/nvim/config/lua/lsp-config.lua b/modules/home/programs/terminal/nvim/config/lua/lsp-config.lua
index 06322bd..098f47a 100755
--- a/modules/home/programs/terminal/nvim/config/lua/lsp-config.lua
+++ b/modules/home/programs/terminal/nvim/config/lua/lsp-config.lua
@@ -155,14 +155,27 @@ nvim_lsp.nil_ls.setup({
 	capabilities = capabilities,
 })
 
--- CSharp LSP Configuration
-nvim_lsp.csharp_ls.setup({
+-- Omnisharp LSP Configuration
+nvim_lsp.omnisharp.setup({
 	on_attach = on_attach,
 	flags = lsp_flags,
 	capabilities = capabilities,
-	cmd = { nix_vars.csharp },
+	enable_roslyn_analyzers = true,
+	enable_import_completion = true,
+	organize_imports_on_format = true,
+	enable_decompilation_support = true,
+	filetypes = { "cs", "vb", "csproj", "sln", "slnx", "props", "csx", "targets", "tproj", "slngen", "fproj" },
+	cmd = { nix_vars.omnisharp, "--languageserver", "--hostPID", tostring(vim.fn.getpid()) },
 })
 
+-- CSharp LSP Configuration
+-- nvim_lsp.csharp_ls.setup({
+-- 	on_attach = on_attach,
+-- 	flags = lsp_flags,
+-- 	capabilities = capabilities,
+-- 	cmd = { nix_vars.csharp },
+-- })
+
 -- Go LSP Configuration
 nvim_lsp.gopls.setup({
 	on_attach = function(client, bufnr)
diff --git a/modules/home/programs/terminal/nvim/default.nix b/modules/home/programs/terminal/nvim/default.nix
index 6ae2a9d..783ce0e 100755
--- a/modules/home/programs/terminal/nvim/default.nix
+++ b/modules/home/programs/terminal/nvim/default.nix
@@ -203,6 +203,7 @@ in
           vscls = "${pkgs.nodePackages.vscode-langservers-extracted}",
           clangd = "${pkgs.clang-tools}/bin/clangd",
           csharp = "${pkgs.csharp-ls}/bin/csharp-ls",
+          omnisharp = "${pkgs.omnisharp-roslyn}/bin/OmniSharp",
         }
         return nix_vars
       '';