** This file contains code used to clone a repository
*/
#include "config.h"
#include "clone.h"
#include <assert.h>

/*
** If there are public BLOBs that deltas from private BLOBs, then
** undeltify the public BLOBs so that the private BLOBs may be safely
** deleted.
*/
void fix_private_blob_dependencies(int showWarning){
  Bag toUndelta;
  Stmt q;
  int rid;

  /* Careful:  We are about to delete all BLOB entries that are private.
  ** So make sure that any no public BLOBs are deltas from a private BLOB.
  ** Otherwise after the deletion, we won't be able to recreate the public
  ** BLOBs.
  */
  db_prepare(&q,
    "SELECT "
    "   rid, (SELECT uuid FROM blob WHERE rid=delta.rid),"
    "   srcid, (SELECT uuid FROM blob WHERE rid=delta.srcid)"
    "  FROM delta"
    " WHERE srcid in private AND rid NOT IN private"
  );
  bag_init(&toUndelta);
  while( db_step(&q)==SQLITE_ROW ){
    int rid = db_column_int(&q, 0);
    const char *zId = db_column_text(&q, 1);
    int srcid = db_column_int(&q, 2);
    const char *zSrc = db_column_text(&q, 3);
    if( showWarning ){
      fossil_warning(
        "public artifact %S (%d) is a delta from private artifact %S (%d)",
        zId, rid, zSrc, srcid
      );
    }
    bag_insert(&toUndelta, rid);
  }
  db_finalize(&q);
  while( (rid = bag_first(&toUndelta))>0 ){
    content_undelta(rid);
    bag_remove(&toUndelta, rid);
  }
  bag_clear(&toUndelta);
}

/*
** Delete all private content from a repository.
*/
void delete_private_content(void){
  fix_private_blob_dependencies(1);
  db_multi_exec(
    "DELETE FROM blob WHERE rid IN private;"
    "DELETE FROM delta wHERE rid IN private;"
    "DELETE FROM private;"
  );
}

      previd = rid;
    }
  }
  db_finalize(&q);

  db_end_transaction(0);
}


/* Reconstruct the private table.  The private table contains the rid
** of every manifest that is tagged with "private" and every file that
** is not used by a manifest that is not private.
*/
static void reconstruct_private_table(void){
  db_multi_exec(
    "CREATE TEMP TABLE private_ckin(rid INTEGER PRIMARY KEY);"
    "INSERT INTO private_ckin "
        " SELECT rid FROM tagxref WHERE tagid=%d AND tagtype>0;"
    "INSERT OR IGNORE INTO private"
        " SELECT fid FROM mlink"
        " EXCEPT SELECT fid FROM mlink WHERE mid NOT IN private_ckin;"
    "INSERT OR IGNORE INTO private SELECT rid FROM private_ckin;"
    "DROP TABLE private_ckin;", TAG_PRIVATE
  );
  fix_private_blob_dependencies(0);
}


/*
** COMMAND: rebuild
**
** Usage: %fossil rebuild ?REPOSITORY? ?OPTIONS?
**
** Reconstruct the named repository database from the core

    }
    db_close(1);
    db_open_repository(g.zRepositoryName);
  }
  db_begin_transaction();
  ttyOutput = 1;
  errCnt = rebuild_db(randomizeFlag, 1, doClustering);
  reconstruct_private_table();
  db_multi_exec(
    "REPLACE INTO config(name,value,mtime) VALUES('content-schema','%s',now());"
    "REPLACE INTO config(name,value,mtime) VALUES('aux-schema','%s',now());",
    CONTENT_SCHEMA, AUX_SCHEMA
  );
  if( errCnt && !forceFlag ){
    fossil_print(

  db_initial_setup(0, 0, 1);

  fossil_print("Reading files from directory \"%s\"...\n", g.argv[3]);
  recon_read_dir(g.argv[3]);
  fossil_print("\nBuilding the Fossil repository...\n");

  rebuild_db(0, 1, 1);
  reconstruct_private_table();















  /* Skip the verify_before_commit() step on a reconstruct.  Most artifacts
  ** will have been changed and verification therefore takes a really, really
  ** long time.
  */
  verify_cancel();