/*
** Prompt the user for the password for g.urlUser.  Store the result
** in g.urlPasswd.
*/
void url_prompt_for_password(void){
  if( isatty(fileno(stdin)) ){
    char *zPrompt = mprintf("\rpassword for %s: ", g.urlUser);
    Blob x;
    prompt_for_password(zPrompt, &x, 0);
    free(zPrompt);
    g.urlPasswd = mprintf("%b", &x);
    blob_reset(&x);
  }else{
    fossil_fatal("missing or incorrect password for user \"%s\"",
                 g.urlUser);
  }
}

/* Preemptively prompt for a password if a username is given in the
** URL but no password.
*/
void url_get_password_if_needed(void){
  if( (g.urlUser && g.urlUser[0])
   && (g.urlPasswd==0 || g.urlPasswd[0]==0)
   && isatty(fileno(stdin)) 
  ){
    url_prompt_for_password();
  }
}