fix(cache): hack to work around plugins trying to load relatve modules. Fixes #543

Author: folke

lua/lazy/core/cache.lua

@@ -230,6 +230,14 @@ function Cache.find(modname, opts)
   modname = modname:gsub("/", ".")
   local basename = modname:gsub("%.", "/")
   local idx = modname:find(".", 1, true)
+
+  -- HACK: some plugins try to load invalid relative paths (see #543)
+  if idx == 1 then
+    modname = modname:gsub("^%.+", "")
+    basename = modname:gsub("%.", "/")
+    idx = modname:find(".", 1, true)
+  end
+
   local topmod = idx and modname:sub(1, idx - 1) or modname
 
   -- OPTIM: search for a directory first when topmod == modname