fix: #386 use right session name in auto create

When auto-saving, if the session has been manually named use that
session name instead of the cwd session name. Fixes manually named
session not auto-saving on exit.

lua/auto-session/init.lua

@@ -298,8 +298,16 @@ function AutoSession.AutoSaveSession()
     return false
   end
 
+  -- If there's a manually named session, use that on exit instead of one named for cwd
+  local current_session = nil
+
+  if AutoSession.manually_named_session then
+    current_session = Lib.escaped_session_name_to_session_name(vim.fn.fnamemodify(vim.v.this_session, ":t"))
+    Lib.logger.debug("Using existing session name: " .. current_session)
+  end
+
   if not is_auto_create_enabled() then
-    local session_file_name = get_session_file_name()
+    local session_file_name = get_session_file_name(current_session)
     if vim.fn.filereadable(AutoSession.get_root_dir() .. session_file_name) == 0 then
       Lib.logger.debug "Create not enabled and no existing session, not creating session"
       return false
@@ -314,13 +322,6 @@ function AutoSession.AutoSaveSession()
     end
   end
 
-  -- If there's a manually named session, use that on exit instead of one named for cwd
-  local current_session = nil
-  if AutoSession.manually_named_session then
-    current_session = Lib.escaped_session_name_to_session_name(vim.fn.fnamemodify(vim.v.this_session, ":t"))
-    Lib.logger.debug("Using existing session name: " .. current_session)
-  end
-
   -- Don't try to show a message as we're exiting
   return AutoSession.SaveSession(current_session, false)
 end