Fossil

  }else{
    g.dbConfig = openDatabase(zDbName);
  }
  g.configOpen = 1;
  free(zDbName);
}


/*
 * * Returns TRUE if zTable exists in the local database.
 */
static int db_local_table_exists(const char *zTable){
  return db_exists("SELECT 1 FROM %s.sqlite_master"
                   " WHERE name=='%s'",
                   db_name("localdb"), zTable);
}

/*
** Returns TRUE if zColumn exists in zTable in the local database.
*/
static int db_local_column_exists(const char *zTable, const char *zColumn){
  return db_exists("SELECT 1 FROM %s.sqlite_master"
                   " WHERE name=='%s' AND sql GLOB '* %s *'",
                   db_name("localdb"), zTable, zColumn);
}

/*
** If zDbName is a valid local database file, open it and return
** true.  If it is not a valid local database file, return 0.
*/
static int isValidLocalDb(const char *zDbName){
  i64 lsize;



  if( file_access(zDbName, F_OK) ) return 0;
  lsize = file_size(zDbName);
  if( lsize%1024!=0 || lsize<4096 ) return 0;
  db_open_or_attach(zDbName, "localdb");
  g.localOpen = 1;
  db_open_config(0);
  db_open_repository(0);

  /* If the "isexe" column is missing from the vfile table, then
  ** add it now.   This code added on 2010-03-06.  After all users have
  ** upgraded, this code can be safely deleted. 
  */
  if( !db_local_column_exists("vfile", "isexe") )



    db_multi_exec("ALTER TABLE vfile ADD COLUMN isexe BOOLEAN DEFAULT 0");

  /* If "islink"/"isLink" columns are missing from tables, then


  ** add them now.   This code added on 2011-01-17 and 2011-08-27.
  ** After all users have upgraded, this code can be safely deleted. 
  */
  if( !db_local_column_exists("vfile", "islink") )


    db_multi_exec("ALTER TABLE vfile ADD COLUMN islink BOOLEAN DEFAULT 0");
  

  if( !db_local_column_exists("stashfile", "isLink") &&
       db_local_table_exists("stashfile") )
    db_multi_exec("ALTER TABLE stashfile ADD COLUMN isLink BOOLEAN DEFAULT 0");








  if( !db_local_column_exists("undo", "isLink") &&
       db_local_table_exists("undo") )
    db_multi_exec("ALTER TABLE undo ADD COLUMN isLink BOOLEAN DEFAULT 0");
  
  if( !db_local_column_exists("undo_vfile", "islink") &&
       db_local_table_exists("undo_vfile") )
    db_multi_exec("ALTER TABLE undo_vfile ADD COLUMN islink BOOLEAN DEFAULT 0");

  return 1;
}

/*
** Locate the root directory of the local repository tree.  The root
** directory is found by searching for a file named "_FOSSIL_" or ".fos"

    }else{
      fossil_panic("not a valid repository: %s", zDbName);
    }
  }
  db_open_or_attach(zDbName, "repository");
  g.repositoryOpen = 1;
  g.zRepositoryName = mprintf("%s", zDbName);
  /* Cache "allow-symlinks" option, because we'll need it on every stat call */
  g.allowSymlinks = db_get_boolean("allow-symlinks", 0);
}

/*
** Flags for the db_find_and_open_repository() function.
*/
#if INTERFACE
#define OPEN_OK_NOT_FOUND    0x001      /* Do not error out if not found */

  int width;            /* Width of display.  0 for boolean values */
  int versionable;      /* Is this setting versionable? */
  char const *def;      /* Default value */
};
#endif /* INTERFACE */
struct stControlSettings const ctrlSettings[] = {
  { "access-log",    0,                0, 0, "off"                 },
  { "allow-symlinks",0,                0, 0, "off"                 },
  { "auto-captcha",  "autocaptcha",    0, 0, "on"                  },
  { "auto-shun",     0,                0, 0, "on"                  },
  { "autosync",      0,                0, 0, "on"                  },
  { "binary-glob",   0,               32, 1, ""                    },
  { "clearsign",     0,                0, 0, "off"                 },
  { "case-sensitive",0,                0, 0, "on"                  },
  { "crnl-glob",     0,               16, 1, ""                    },

**
** Settings marked as versionable are overridden by the contents of the
** file named .fossil-settings/PROPERTY in the checked out files, if that
** file exists.
**
** The "unset" command clears a property setting.
**
**
**    allow-symlinks   If enabled, don't follow symlinks, and instead treat
**                     them as symlinks on Unix. Has no effect on Windows
**                     (existing links in repository created on Unix become 
**                     plain-text files with link destination path inside).
**                     Default: off
**
**    auto-captcha     If enabled, the Login page provides a button to
**                     fill in the captcha password.  Default: on
**
**    auto-shun        If enabled, automatically pull the shunning list
**                     from a server to which the client autosyncs.
**                     Default: on