Fossil

/*
** Make the current state of stashid undoable.
*/
void undo_save_stash(int stashid){
  const char *zDb = db_name("localdb");
  db_multi_exec(
    "DROP TABLE IF EXISTS undo_stash;"
    "CREATE TABLE %s.undo_stash AS"
    "CREATE TABLE IF NOT EXISTS %s.undo_stash"
    "  AS SELECT * FROM stash WHERE 0;"
    "INSERT INTO undo_stash"
    " SELECT * FROM stash WHERE stashid=%d;",
    zDb, stashid
  );
  db_multi_exec(
    "DROP TABLE IF EXISTS undo_stashfile;"
    "CREATE TABLE %s.undo_stashfile AS"
    "CREATE TABLE IF NOT EXISTS %s.undo_stashfile"
    "  AS SELECT * FROM stashfile WHERE 0;"
    "INSERT INTO undo_stashfile"
    " SELECT * FROM stashfile WHERE stashid=%d;",
    zDb, stashid
  );
}

/*
** Complete the undo process is one is currently in process.