fix: malformed version message in older Nvim #3345

1 files changed, 16 insertions, 2 deletions

diff --git a/lua/lspconfig.lua b/lua/lspconfig.lua
index eb5fa666..e1e6084d 100644
--- a/lua/lspconfig.lua
+++ b/lua/lspconfig.lua
@@ -48,6 +48,20 @@ M.server_aliases = function(name)
   return used_aliases
 end
 
+-- Temporary port of Nvim 0.10 vim.version:tostring.
+---@param version vim.Version
+local function version_string(version)
+  assert(version.major and version.minor and version.patch, 'invalid vim.Version table')
+  local ret = table.concat({ version.major, version.minor, version.patch }, '.')
+  if version.prerelease then
+    ret = ret .. '-' .. version.prerelease
+  end
+  if version.build and version.build ~= vim.NIL then
+    ret = ret .. '+' .. version.build
+  end
+  return ret
+end
+
 local mt = {}
 function mt:__index(k)
   if configs[k] == nil then
@@ -80,8 +94,8 @@ local minimum_neovim_version = '0.9'
 if vim.fn.has('nvim-' .. minimum_neovim_version) == 0 then
   local msg = string.format(
     'nvim-lspconfig requires Nvim version %s, but you are running: %s',
-    vim.version.parse(minimum_neovim_version),
-    vim.version()
+    minimum_neovim_version,
+    vim.version and version_string(vim.version()) or 'older than v0.5.0'
   )
   error(msg)
 end