**
** > fossil stash diff ?STASHID? ?DIFF-OPTIONS?
** > fossil stash gdiff ?STASHID? ?DIFF-OPTIONS?
**
**      Show diffs of the current working directory and what that
**      directory would be if STASHID were applied. With gdiff,
**      gdiff-command is used instead of internal diff logic.
**
** > fossil stash rename STASHID NEW-NAME
**
**      Change the description of the given STASHID entry to NEW-NAME.
*/
void stash_cmd(void){
  const char *zCmd;
  int nCmd;
  int stashid = 0;
  undo_capture_command_line();
  db_must_be_within_tree();

      diff_tk(fBaseline ? "stash show" : "stash diff", 3);
      return;
    }
    diff_options(&DCfg, zCmd[0]=='g', 0);
    stashid = stash_get_id(g.argc==4 ? g.argv[3] : 0);
    stash_diff(stashid, fBaseline, &DCfg);
  }else
  if( strncmp(zCmd, "rename", nCmd)==0 ){
    if( g.argc!=5 ) usage("rename STASHID NAME");
    stashid = stash_get_id(g.argv[3]);
    db_multi_exec("UPDATE STASH SET COMMENT=%Q WHERE stashid=%d",
                  g.argv[4], stashid);
  }
  else if( strncmp(zCmd, "help", nCmd)==0 ){
    g.argv[1] = "help";
    g.argv[2] = "stash";
    g.argc = 3;
    help_cmd();
  }else
  {
    usage("SUBCOMMAND ARGS...");
  }
  db_end_transaction(0);
}