2 files changed, 47 insertions, 28 deletions
diff --git a/lua/lspconfig.lua b/lua/lspconfig.lua
index b9012f87..f5129bc6 100644
--- a/lua/lspconfig.lua
+++ b/lua/lspconfig.lua
@@ -4,44 +4,57 @@ local M = {
   util = require 'lspconfig.util',
 }
 
+--- Deprecated config names.
+---
 ---@class Alias
 ---@field to string The new name of the server
 ---@field version string The version that the alias will be removed in
----@param name string
----@return Alias
-local function server_alias(name)
-  local aliases = {
-    ['fennel-ls'] = {
-      to = 'fennel_ls',
-      version = '0.2.0',
-    },
-    ruby_ls = {
-      to = 'ruby_lsp',
-      version = '0.2.0',
-    },
-    ['starlark-rust'] = {
-      to = 'starlark_rust',
-      version = '0.2.0',
-    },
-    sumneko_lua = {
-      to = 'lua_ls',
-      version = '0.2.0',
-    },
-    tsserver = {
-      to = 'ts_ls',
-      version = '0.2.0',
-    },
-  }
+---@field inconfig? boolean need shown in lspinfo
+local aliases = {
+  ['fennel-ls'] = {
+    to = 'fennel_ls',
+    version = '0.2.1',
+  },
+  ruby_ls = {
+    to = 'ruby_lsp',
+    version = '0.2.1',
+  },
+  ['starlark-rust'] = {
+    to = 'starlark_rust',
+    version = '0.2.1',
+  },
+  sumneko_lua = {
+    to = 'lua_ls',
+    version = '0.2.1',
+  },
+  tsserver = {
+    to = 'ts_ls',
+    version = '0.2.1',
+  },
+}
 
-  return aliases[name]
+---@return Alias
+---@param name string|nil get this alias, or nil to get all aliases that were used in the current session.
+M.server_aliases = function(name)
+  if name then
+    return aliases[name]
+  end
+  local used_aliases = {}
+  for sname, alias in pairs(aliases) do
+    if alias.inconfig then
+      used_aliases[sname] = alias
+    end
+  end
+  return used_aliases
 end
 
 local mt = {}
 function mt:__index(k)
   if configs[k] == nil then
-    local alias = server_alias(k)
+    local alias = M.server_aliases(k)
     if alias then
       vim.deprecate(k, alias.to, alias.version, 'lspconfig', false)
+      alias.inconfig = true
       k = alias.to
     end
 
diff --git a/lua/lspconfig/ui/lspinfo.lua b/lua/lspconfig/ui/lspinfo.lua
index 886014aa..e0b9bf96 100644
--- a/lua/lspconfig/ui/lspinfo.lua
+++ b/lua/lspconfig/ui/lspinfo.lua
@@ -268,8 +268,14 @@ return function()
     '',
     'Configured servers list: ' .. table.concat(util.available_servers(), ', '),
   }
-
+  local deprecated_servers = {}
   vim.list_extend(buf_lines, matching_config_header)
+  for server_name, deprecate in pairs(require('lspconfig').server_aliases()) do
+    table.insert(deprecated_servers, ('%s -> %s'):format(server_name, deprecate.to))
+  end
+  if #deprecated_servers > 0 then
+    vim.list_extend(buf_lines, { '', 'Deprecated servers: ' .. table.concat(deprecated_servers, ' ') })
+  end
 
   local fmt_buf_lines = indent_lines(buf_lines, ' ')