common : default --hf-file to --model (ggerganov#6234)

common/common.cpp

@@ -1220,16 +1220,23 @@ bool gpt_params_parse_ex(int argc, char ** argv, gpt_params & params) {
  throw std::invalid_argument("error: unknown argument: " + arg);
  }
  }
+
  if (invalid_param) {
  throw std::invalid_argument("error: invalid parameter for argument: " + arg);
  }
+
  if (params.prompt_cache_all &&
  (params.interactive || params.interactive_first ||
  params.instruct)) {
 
  throw std::invalid_argument("error: --prompt-cache-all not supported in interactive mode yet\n");
  }
 
+ // short-hand to avoid specifying --hf-file -> default it to --model
+ if (!params.hf_repo.empty() && params.hf_file.empty()) {
+ params.hf_file = params.model;
+ }
+
  if (params.escape) {
  process_escapes(params.prompt);
  process_escapes(params.input_prefix);