fix: internally use forward delineated paths cross-platform (#1593)

* Escape paths used to autocommands
* Always normalize windows path to forward slash for internal use

1 files changed, 9 insertions, 7 deletions

diff --git a/lua/lspconfig/configs.lua b/lua/lspconfig/configs.lua
index da50c5fd..3723df1f 100644
--- a/lua/lspconfig/configs.lua
+++ b/lua/lspconfig/configs.lua
@@ -79,19 +79,19 @@ function configs.__newindex(t, config_name, config_def)
     function M.launch()
       local root_dir
       if get_root_dir then
-        root_dir = get_root_dir(api.nvim_buf_get_name(0), api.nvim_get_current_buf())
+        root_dir = get_root_dir(util.path.sanitize(api.nvim_buf_get_name(0)), api.nvim_get_current_buf())
       end
 
       if root_dir then
         api.nvim_command(
           string.format(
-            "autocmd %s unsilent lua require'lspconfig'[%q].manager.try_add_wrapper()",
-            'BufReadPost ' .. root_dir .. '/*',
+            "autocmd BufReadPost %s/* unsilent lua require'lspconfig'[%q].manager.try_add_wrapper()",
+            vim.fn.fnameescape(root_dir),
             config.name
           )
         )
         for _, bufnr in ipairs(vim.api.nvim_list_bufs()) do
-          local buf_dir = api.nvim_buf_get_name(bufnr)
+          local buf_dir = util.path.sanitize(api.nvim_buf_get_name(bufnr))
           if buf_dir:sub(1, root_dir:len()) == root_dir then
             M.manager.try_add_wrapper(bufnr)
           end
@@ -101,7 +101,7 @@ function configs.__newindex(t, config_name, config_def)
         -- Effectively this is the root from lspconfig's perspective, as we use
         -- this to attach additional files in the same parent folder to the same server.
         -- We just no longer send rootDirectory or workspaceFolders during initialization.
-        local pseudo_root = util.path.dirname(api.nvim_buf_get_name(0))
+        local pseudo_root = util.path.dirname(util.path.sanitize(api.nvim_buf_get_name(0)))
         M.manager.add(pseudo_root, true)
       else
         vim.notify(
@@ -209,14 +209,16 @@ function configs.__newindex(t, config_name, config_def)
       local id
       local root_dir
 
+      local buf_path = util.path.sanitize(api.nvim_buf_get_name(bufnr))
+
       if get_root_dir then
-        root_dir = get_root_dir(api.nvim_buf_get_name(bufnr), bufnr)
+        root_dir = get_root_dir(buf_path, bufnr)
       end
 
       if root_dir then
         id = manager.add(root_dir, false)
       elseif config.single_file_support then
-        local pseudo_root = util.path.dirname(api.nvim_buf_get_name(0))
+        local pseudo_root = util.path.dirname(buf_path)
         id = manager.add(pseudo_root, true)
       else
         vim.notify(