Fossil

** is found, it is attached to the open database connection too.
*/
int db_open_local(const char *zDbName){
  int i, n;
  char zPwd[2000];
  static const char aDbName[][10] = { "_FOSSIL_", ".fslckout", ".fos" };

  if( g.localOpen ) return 1;
  file_getcwd(zPwd, sizeof(zPwd)-20);
  n = strlen(zPwd);
  while( n>0 ){
    for(i=0; i<count(aDbName); i++){
      sqlite3_snprintf(sizeof(zPwd)-n, &zPwd[n], "/%s", aDbName[i]);
      if( isValidLocalDb(zPwd) ){
        /* Found a valid checkout database file */

int db_table_has_column( char const *zTableName, char const *zColName ){
  Stmt q = empty_Stmt;
  int rc = 0;
  db_prepare( &q, "PRAGMA table_info(%Q)", zTableName );
  while(SQLITE_ROW == db_step(&q)){
    /* Columns: (cid, name, type, notnull, dflt_value, pk) */
    char const * zCol = db_column_text(&q, 1);
    if( 0==fossil_strcmp(zColName, zCol) ){
      rc = 1;
      break;
    }
  }
  db_finalize(&q);
  return rc;
}

  db_lset("repository", g.argv[2]);
  db_record_repository_filename(g.argv[2]);
  db_lset_int("checkout", 0);
  oldArgv = g.argv;
  oldArgc = g.argc;
  azNewArgv[0] = g.argv[0];
  g.argv = azNewArgv;
  if( !emptyFlag ){
    g.argc = 3;
    if( oldArgc==4 ){
      azNewArgv[g.argc-1] = oldArgv[3];
    }else if( !db_exists("SELECT 1 FROM event WHERE type='ci'") ){
      azNewArgv[g.argc-1] = "--latest";
    }else{
      azNewArgv[g.argc-1] = db_get("main-branch", "trunk");