fixup! to previous commit. add argv[0] which python argv expects

gnucash/gnucash-commands.cpp

@@ -611,10 +611,11 @@ Gnucash::run_scripting (std::vector<std::string> m_script_args,
  gnc_shutdown_cli (1);
  }
 
- std::vector<char*> newArgv (m_script_args.size());
- auto to_c_str = [](std::string& s) { return (char*)s.c_str(); };
- std::transform (m_script_args.begin(), m_script_args.end(), newArgv.begin(), to_c_str);
- // note the vector<char*> is valid as long as m_script_args's strings are not damaged!
+ std::vector<const char*> newArgv (m_script_args.size() + 1);
+ newArgv.push_back ("gnucash-cli"); // because python strips argv[0]
+ std::transform (m_script_args.begin(), m_script_args.end(), std::back_inserter(newArgv),
+ [](const std::string& s) { return s.c_str(); });
+ // note the vector<const char*> is valid as long as m_script_args's strings are not damaged!
 
  gnc_prefs_init ();
  gnc_ui_util_init();
@@ -624,7 +625,7 @@ Gnucash::run_scripting (std::vector<std::string> m_script_args,
  scripting_args args { m_script, m_language, m_interactive };
  if (m_language == "guile")
  {
- scm_boot_guile (newArgv.size(), newArgv.data(), run_guile_cli, &args);
+ scm_boot_guile (newArgv.size(), (char**)newArgv.data(), run_guile_cli, &args);
  return 0; // never reached...
  }
 
@@ -634,7 +635,7 @@ Gnucash::run_scripting (std::vector<std::string> m_script_args,
  PyConfig config;
  PyConfig_InitPythonConfig(&config);
 
- PyStatus status = PyConfig_SetBytesArgv(&config, newArgv.size(), newArgv.data());
+ PyStatus status = PyConfig_SetBytesArgv(&config, newArgv.size(), (char**)newArgv.data());
  try
  {
  if (PyStatus_Exception(status))