Setup the directory structure to handle both mac and linux, and stowing with only one command, well two, one for the OS specific dir as well.

home/.config/nvim/lua/language_servers/clangd.lua

@@ -0,0 +1,54 @@
+local function switch_between_header_and_source(bufnr)
+    local util = require("lspconfig/util")
+    bufnr = util.validate_bufnr(bufnr)
+    local clangd_client = util.get_active_client_by_name(bufnr, "clangd")
+    local params = { uri = vim.uri_from_bufnr(bufnr) }
+    -- invert this with an early return
+    if not clangd_client then
+        print "method textDocument/switchSourceHeader is not supported by any servers active on the current buffer"
+        return
+    end
+
+    clangd_client.request("textDocument/switchSourceHeader", params, function(err, result)
+        if err then
+            error(tostring(err))
+        end
+        if not result then
+            print("Corresponding file cannot be determined")
+            return
+        end
+        vim.api.nvim_command("drop " .. vim.uri_to_fname(result))
+    end, bufnr)
+end
+
+local M = {
+    cmd = {
+        "clangd",
+        "--background-index",
+        "--clang-tidy",
+        "--completion-style=bundled",
+        -- "--cross-file-rename", // This has been deprecated
+        "--rename-file-limit=0",
+        "--header-insertion=iwyu",
+        "--inlay-hints",
+        "--compile-commands-dir=build/",
+    },
+    commands = {
+        ClangdSwitchSourceHeader = {
+            function()
+                switch_between_header_and_source(0)
+            end,
+            description = "Switch between source/header",
+        },
+    },
+}
+
+function M.post_setup()
+    require("utils").add_keymaps({
+        n = {
+            ["<leader>ko"] = { cmd = ":ClangdSwitchSourceHeader<CR>" }
+        },
+    })
+end
+
+return M