fix(omnisharp): omnisharp does not start when local dotnet is availab…

…le for some reason, here we launch dll directly

config/native/lua/konrad/fs.lua

@@ -1,22 +1,23 @@
+local M = {}
+
 ---Get PATH executable, returns nil if not found
 ---@param binary string
 ---@return string | nil
-local path_executable = function(binary)
+M.path_executable = function(binary)
     local exe = vim.fn.exepath(binary)
     if exe == "" then
         return nil
     end
     return exe
 end
 
-local M = {}
 ---Returns a full path to exec from PATH if found,
 ---if not found, then returns the provided one
 ---@param binname any
 ---@param fullpath any
 ---@return string
 M.from_path_or_default = function(binname, fullpath)
-    return path_executable(binname) or fullpath
+    return M.path_executable(binname) or fullpath
 end
 
 return M

config/native/lua/konrad/lsp/configs/omnisharp.lua

@@ -3,13 +3,22 @@
 -- https://github.com/Hoffs/omnisharp-extended-lsp.nvim
 vim.cmd("packadd omnisharp-extended-lsp.nvim")
 
+local fs = require("konrad.fs")
 local binaries = require("konrad.binaries")
 local configs = require("konrad.lsp.configs")
 
 local M = {}
 
 local make_cmd = function()
-    local cmd = { binaries.omnisharp() }
+    local cmd
+    -- something's broken with omnisharp script in nix when dotnet is in path...
+    local local_dotnet = fs.path_executable("dotnet")
+    if local_dotnet then
+        cmd = { local_dotnet, binaries.omnisharp_dll() }
+    else
+        cmd = { binaries.omnisharp() }
+    end
+
     -- Append hard-coded command arguments
     table.insert(cmd, "-z") -- https://github.com/OmniSharp/omnisharp-vscode/pull/4300
     vim.list_extend(cmd, { "--hostPID", tostring(vim.fn.getpid()) })

config/nix/lua/konrad/binaries.nix

@@ -27,6 +27,7 @@ pkgs.writeTextDir "lua/konrad/binaries.lua" ''
       lua_ls = function() return "${pkgs.sumneko-lua-language-server}/bin/lua-language-server" end,
       nil_ls = function() return "${pkgs.nil}/bin/nil" end,
       omnisharp = function() return "${pkgs.omnisharp-roslyn}/bin/OmniSharp" end,
+      omnisharp_dll = function() return "${pkgs.omnisharp-roslyn}/lib/omnisharp-roslyn/OmniSharp.dll" end,
       pyright = function() return "${pkgs.nodePackages.pyright}/bin/pyright" end,
       rust_analyzer = function() return "${pkgs.rust-analyzer}/bin/rust-analyzer" end,
       terraformls = function() return "${pkgs.terraform-ls}/bin/terraform-ls" end,