fix: check type(owner) == "string" to avoid https://github.com/foo…

…/bar`, fixes #71

lua/gx/git.lua

@@ -43,16 +43,19 @@ function M.get_remote_url(remotes, push, owner, repo)
     url = discover_remote(remotes, push, vim.loop.cwd())
   end
 
-  if not url and (owner ~= "" and repo ~= "") then -- fallback to github if owner and repo are present
+  local has_owner = type(owner) == "string" and owner ~= ""
+  local has_repo = type(repo) == "string" and repo ~= ""
+  if not url and has_owner and has_repo then
+    -- fallback to github if owner and repo are present
     url = "https://github.com/foo/bar"
   end
   if not url then
     notifier.warn("No remote git repository found!")
     return
   end
-  if type(owner) == "string" and owner ~= "" then
+  if has_owner then
     local domain, repository = url:match("^https?://([^/]+)/[^/]+/([^/]*)")
-    if repo ~= "" then
+    if has_repo then
       repository = repo
     end
     url = string.format("https://%s/%s/%s", domain, owner, repository)