**
**     Make REF the new default URL, replacing the prior default.
**     REF may be a URL or a NAME from a prior "add".
*/
void remote_url_cmd(void){
  char *zUrl, *zArg;
  int nArg;
  int showPw;
  db_find_and_open_repository(0, 0);
  showPw = find_option("show-passwords",0,0)!=0;

  /* We should be done with options.. */
  verify_all_options();

  /* 2021-10-25: A note about data structures.
  **
  ** The remote URLs are stored in the CONFIG table.  The URL is stored

    db_multi_exec("DELETE FROM config WHERE name glob 'sync-pw:*'");
    db_multi_exec("DELETE FROM config WHERE name = 'last-sync-pw'");
    db_protect_pop();
    db_commit_transaction();
    return;
  }
  if( strncmp(zArg, "config-data", nArg)==0 ){
    /* Undocumented command:  "fossil remote config-data"
    /* Undocumented command:  "fossil remote config-data [-show-passwords]"
    **
    ** Show the CONFIG table entries that relate to remembering remote URLs
    */
    Stmt q;
    int n;
    sqlite3_create_function(g.db, "unobscure", 1, SQLITE_UTF8, &g.db,
                            db_obscure, 0, 0);
    n = db_int(13,
       "SELECT max(length(name))"
       "  FROM config"
       " WHERE name GLOB 'sync-*:*'"
          " OR name GLOB 'last-sync-*'"
          " OR name GLOB 'parent-project-*'"
    );
    db_prepare(&q,
       "SELECT name,"
       "       CASE WHEN name LIKE '%%sync-pw%%' OR name='parent-project-pw'"
                  " THEN printf('%%.*c',length(value),'*') ELSE value END"
       "  FROM config"
       " WHERE name GLOB 'sync-*:*'"
          " OR name GLOB 'last-sync-*'"
          " OR name GLOB 'parent-project-*'"
       " ORDER BY name LIKE '%%sync-pw%%' OR name='parent-project-pw', name"
      "SELECT name,"
      "  CASE WHEN name NOT LIKE '%%sync-pw%%' AND name<>'parent-project-pw'"
      "       THEN value"
      "       WHEN %d THEN unobscure(value)"
      "       ELSE printf('%%.*c',length(value)/2-1,'*') END"
      "  FROM config"
      " WHERE name GLOB 'sync-*:*'"
         " OR name GLOB 'last-sync-*'"
         " OR name GLOB 'parent-project-*'"
      " ORDER BY name LIKE '%%sync-pw%%' OR name='parent-project-pw', name",
      showPw
    );
    while( db_step(&q)==SQLITE_ROW ){
      fossil_print("%-*s  %s\n",
        n, db_column_text(&q,0),
        db_column_text(&q,1)
      );
    }