Fossil

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Overview
Comment:When SQLite detects that the repository associated with a checkout has been replaced by a clone (such that the RID values potentially change) then automatically adjust the content of the checkout database.
Downloads: Tarball | ZIP archive | SQL archive
Timelines: family | ancestors | descendants | both | trunk
Files: files | file ages | folders
SHA3-256:fff37e624e2b634bfdd61c3eb2f6cd10ce4b2ebccf391753f1cc2567b332648d
User & Date: drh 2019-01-21 16:54:04
Context
2019-01-21
16:57
Fix a documentation error on the setup_access page. check-in: 742d64d9 user: drh tags: trunk
16:54
When SQLite detects that the repository associated with a checkout has been replaced by a clone (such that the RID values potentially change) then automatically adjust the content of the checkout database. check-in: fff37e62 user: drh tags: trunk
10:51
Swapped Let's Encrypt's advice for ssl_ciphers in the nginx TLS config for Qualys SSL Labs' advice. check-in: 8f2ec292 user: wyoung tags: trunk
2019-01-20
23:58
Pick up the cherrypick merge arrow display fix from trunk. Closed-Leaf check-in: 12a022b1 user: drh tags: rid-renumbering
Changes
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Changes to src/add.c.

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    db_multi_exec("UPDATE vfile SET deleted=0"
                  " WHERE pathname=%Q %s AND deleted",
                  zPath, filename_collation());
  }else{
    char *zFullname = mprintf("%s%s", g.zLocalRoot, zPath);
    int isExe = file_isexe(zFullname, RepoFILE);
    db_multi_exec(
      "INSERT INTO vfile(vid,deleted,rid,mrid,pathname,isexe,islink)"
      "VALUES(%d,0,0,0,%Q,%d,%d)",
      vid, zPath, isExe, file_islink(0));
    fossil_free(zFullname);
  }
  if( db_changes() ){
    fossil_print("ADDED  %s\n", zPath);
    return 1;
  }else{







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    db_multi_exec("UPDATE vfile SET deleted=0"
                  " WHERE pathname=%Q %s AND deleted",
                  zPath, filename_collation());
  }else{
    char *zFullname = mprintf("%s%s", g.zLocalRoot, zPath);
    int isExe = file_isexe(zFullname, RepoFILE);
    db_multi_exec(
      "INSERT INTO vfile(vid,deleted,rid,mrid,pathname,isexe,islink,mhash)"
      "VALUES(%d,0,0,0,%Q,%d,%d,NULL)",
      vid, zPath, isExe, file_islink(0));
    fossil_free(zFullname);
  }
  if( db_changes() ){
    fossil_print("ADDED  %s\n", zPath);
    return 1;
  }else{

Changes to src/bisect.c.

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        db_column_text(&q, 3),
        db_column_text(&q, 2),
        (db_column_int(&q, 4) && zGoodBad[0]!='C') ? " CURRENT" : "");
  }
  db_finalize(&q);
}












/*
** COMMAND: bisect
**
** Usage: %fossil bisect SUBCOMMAND ...
**
** Run various subcommands useful for searching for bugs.
**
................................................................................
      if( i>=count(aBisectOption) ){
        fossil_fatal("no such bisect option: %s", g.argv[3]);
      }
    }else{
      usage("options ?NAME? ?VALUE?");
    }
  }else if( strncmp(zCmd, "reset", n)==0 ){
    db_multi_exec(
      "DELETE FROM vvar WHERE name IN "
      " ('bisect-good', 'bisect-bad', 'bisect-log')"
    );
  }else if( strcmp(zCmd, "ui")==0 ){
    char *newArgv[8];
    newArgv[0] = g.argv[0];
    newArgv[1] = "ui";
    newArgv[2] = "--page";
    newArgv[3] = "timeline?bisect";
    newArgv[4] = 0;







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        db_column_text(&q, 3),
        db_column_text(&q, 2),
        (db_column_int(&q, 4) && zGoodBad[0]!='C') ? " CURRENT" : "");
  }
  db_finalize(&q);
}


/*
** Reset the bisect subsystem.
*/
void bisect_reset(void){
  db_multi_exec(
    "DELETE FROM vvar WHERE name IN "
    " ('bisect-good', 'bisect-bad', 'bisect-log')"
  );
}

/*
** COMMAND: bisect
**
** Usage: %fossil bisect SUBCOMMAND ...
**
** Run various subcommands useful for searching for bugs.
**
................................................................................
      if( i>=count(aBisectOption) ){
        fossil_fatal("no such bisect option: %s", g.argv[3]);
      }
    }else{
      usage("options ?NAME? ?VALUE?");
    }
  }else if( strncmp(zCmd, "reset", n)==0 ){
    bisect_reset();



  }else if( strcmp(zCmd, "ui")==0 ){
    char *newArgv[8];
    newArgv[0] = g.argv[0];
    newArgv[1] = "ui";
    newArgv[2] = "--page";
    newArgv[3] = "timeline?bisect";
    newArgv[4] = 0;

Changes to src/checkin.c.

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  }
  blob_reset(&rewrittenPathname);
  db_finalize(&q);

  /* If C_MERGE, put merge contributors at the end of the report. */
skipFiles:
  if( flags & C_MERGE ){
    db_prepare(&q, "SELECT uuid, id FROM vmerge JOIN blob ON merge=rid"
                   " WHERE id<=0");
    while( db_step(&q)==SQLITE_ROW ){
      if( flags & C_COMMENT ){
        blob_append(report, "# ", 2);
      }
      if( flags & C_CLASSIFY ){
        const char *zClass;
        switch( db_column_int(&q, 1) ){
................................................................................
    }
    db_finalize(&q);
    blob_appendf(pOut, "\n");
  }
  free(zDate);

  db_prepare(&q,
    "SELECT CASE vmerge.id WHEN -1 THEN '+' ELSE '-' END || blob.uuid, merge"
    "  FROM vmerge, blob"
    " WHERE (vmerge.id=-1 OR vmerge.id=-2)"
    "   AND blob.rid=vmerge.merge"
    " ORDER BY 1");
  while( db_step(&q)==SQLITE_ROW ){
    const char *zCherrypickUuid = db_column_text(&q, 0);
    int mid = db_column_int(&q, 1);
    if( mid != vid ){
      blob_appendf(pOut, "Q %s\n", zCherrypickUuid);
    }
................................................................................
  if( zColor && zColor[0] ){
    /* One-time background color */
    blob_appendf(pOut, "T +bgcolor * %F\n", zColor);
  }
  if( p->closeFlag ){
    blob_appendf(pOut, "T +closed *\n");
  }
  db_prepare(&q, "SELECT uuid,merge FROM vmerge JOIN blob ON merge=rid"
                 " WHERE id %s ORDER BY 1",
                 p->integrateFlag ? "IN(0,-4)" : "=(-4)");
  while( db_step(&q)==SQLITE_ROW ){
    const char *zIntegrateUuid = db_column_text(&q, 0);
    int rid = db_column_int(&q, 1);
    if( is_a_leaf(rid) && !db_exists("SELECT 1 FROM tagxref "
        " WHERE tagid=%d AND rid=%d AND tagtype>0", TAG_CLOSED, rid)){
................................................................................
      blob_reset(&fname);
    }
    nrid = content_put(&content);
    blob_reset(&content);
    if( rid>0 ){
      content_deltify(rid, &nrid, 1, 0);
    }
    db_multi_exec("UPDATE vfile SET mrid=%d, rid=%d WHERE id=%d", nrid,nrid,id);

    db_multi_exec("INSERT OR IGNORE INTO unsent VALUES(%d)", nrid);
  }
  db_finalize(&q);
  if( nConflict && !allowConflict ){
    fossil_fatal("abort due to unresolved merge conflicts; "
                 "use --allow-conflict to override");
  }else if( abortCommit ){
................................................................................
                         dryRunFlag ? MC_NONE : MC_PERMIT_HOOKS)==0 ){
    fossil_fatal("%s", g.zErrMsg);
  }
  assert( blob_is_reset(&manifest) );
  content_deltify(vid, &nvid, 1, 0);
  zUuid = db_text(0, "SELECT uuid FROM blob WHERE rid=%d", nvid);

  db_prepare(&q, "SELECT uuid,merge FROM vmerge JOIN blob ON merge=rid"
                 " WHERE id=-4");
  while( db_step(&q)==SQLITE_ROW ){
    const char *zIntegrateUuid = db_column_text(&q, 0);
    if( is_a_leaf(db_column_int(&q, 1)) ){
      fossil_print("Closed: %s\n", zIntegrateUuid);
    }else{
      fossil_print("Not_Closed: %s (not a leaf any more)\n", zIntegrateUuid);
    }
................................................................................
  }

  /* Update the vfile and vmerge tables */
  db_multi_exec(
    "DELETE FROM vfile WHERE (vid!=%d OR deleted) AND is_selected(id);"
    "DELETE FROM vmerge;"
    "UPDATE vfile SET vid=%d;"
    "UPDATE vfile SET rid=mrid, chnged=0, deleted=0, origname=NULL"
    " WHERE is_selected(id);"
    , vid, nvid
  );
  db_set_checkout(nvid);

  /* Update the isexe and islink columns of the vfile table */
  db_prepare(&q,







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  }
  blob_reset(&rewrittenPathname);
  db_finalize(&q);

  /* If C_MERGE, put merge contributors at the end of the report. */
skipFiles:
  if( flags & C_MERGE ){
    db_prepare(&q, "SELECT mhash, id FROM vmerge WHERE id<=0" );

    while( db_step(&q)==SQLITE_ROW ){
      if( flags & C_COMMENT ){
        blob_append(report, "# ", 2);
      }
      if( flags & C_CLASSIFY ){
        const char *zClass;
        switch( db_column_int(&q, 1) ){
................................................................................
    }
    db_finalize(&q);
    blob_appendf(pOut, "\n");
  }
  free(zDate);

  db_prepare(&q,
    "SELECT CASE vmerge.id WHEN -1 THEN '+' ELSE '-' END || mhash, merge"
    "  FROM vmerge"
    " WHERE (vmerge.id=-1 OR vmerge.id=-2)"

    " ORDER BY 1");
  while( db_step(&q)==SQLITE_ROW ){
    const char *zCherrypickUuid = db_column_text(&q, 0);
    int mid = db_column_int(&q, 1);
    if( mid != vid ){
      blob_appendf(pOut, "Q %s\n", zCherrypickUuid);
    }
................................................................................
  if( zColor && zColor[0] ){
    /* One-time background color */
    blob_appendf(pOut, "T +bgcolor * %F\n", zColor);
  }
  if( p->closeFlag ){
    blob_appendf(pOut, "T +closed *\n");
  }
  db_prepare(&q, "SELECT mhash,merge FROM vmerge"
                 " WHERE id %s ORDER BY 1",
                 p->integrateFlag ? "IN(0,-4)" : "=(-4)");
  while( db_step(&q)==SQLITE_ROW ){
    const char *zIntegrateUuid = db_column_text(&q, 0);
    int rid = db_column_int(&q, 1);
    if( is_a_leaf(rid) && !db_exists("SELECT 1 FROM tagxref "
        " WHERE tagid=%d AND rid=%d AND tagtype>0", TAG_CLOSED, rid)){
................................................................................
      blob_reset(&fname);
    }
    nrid = content_put(&content);
    blob_reset(&content);
    if( rid>0 ){
      content_deltify(rid, &nrid, 1, 0);
    }
    db_multi_exec("UPDATE vfile SET mrid=%d, rid=%d, mhash=NULL WHERE id=%d",
                  nrid,nrid,id);
    db_multi_exec("INSERT OR IGNORE INTO unsent VALUES(%d)", nrid);
  }
  db_finalize(&q);
  if( nConflict && !allowConflict ){
    fossil_fatal("abort due to unresolved merge conflicts; "
                 "use --allow-conflict to override");
  }else if( abortCommit ){
................................................................................
                         dryRunFlag ? MC_NONE : MC_PERMIT_HOOKS)==0 ){
    fossil_fatal("%s", g.zErrMsg);
  }
  assert( blob_is_reset(&manifest) );
  content_deltify(vid, &nvid, 1, 0);
  zUuid = db_text(0, "SELECT uuid FROM blob WHERE rid=%d", nvid);


  db_prepare(&q, "SELECT mhash,merge FROM vmerge WHERE id=-4");
  while( db_step(&q)==SQLITE_ROW ){
    const char *zIntegrateUuid = db_column_text(&q, 0);
    if( is_a_leaf(db_column_int(&q, 1)) ){
      fossil_print("Closed: %s\n", zIntegrateUuid);
    }else{
      fossil_print("Not_Closed: %s (not a leaf any more)\n", zIntegrateUuid);
    }
................................................................................
  }

  /* Update the vfile and vmerge tables */
  db_multi_exec(
    "DELETE FROM vfile WHERE (vid!=%d OR deleted) AND is_selected(id);"
    "DELETE FROM vmerge;"
    "UPDATE vfile SET vid=%d;"
    "UPDATE vfile SET rid=mrid, mhash=NULL, chnged=0, deleted=0, origname=NULL"
    " WHERE is_selected(id);"
    , vid, nvid
  );
  db_set_checkout(nvid);

  /* Update the isexe and islink columns of the vfile table */
  db_prepare(&q,

Changes to src/db.c.

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/*
** 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;
  char *zVFileDef;

  if( file_access(zDbName, F_OK) ) return 0;
  lsize = file_size(zDbName, ExtFILE);
  if( lsize%1024!=0 || lsize<4096 ) return 0;
  db_open_or_attach(zDbName, "localdb");
  zVFileDef = db_text(0, "SELECT sql FROM localdb.sqlite_master"

                         " WHERE name=='vfile'");
  if( zVFileDef==0 ) return 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( sqlite3_strglob("* isexe *", zVFileDef)!=0 ){
    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( sqlite3_strglob("* islink *", zVFileDef)!=0 ){
    db_multi_exec("ALTER TABLE vfile ADD COLUMN islink BOOLEAN DEFAULT 0");
    if( db_local_table_exists_but_lacks_column("stashfile", "isLink") ){
      db_multi_exec("ALTER TABLE stashfile ADD COLUMN isLink BOOL DEFAULT 0");
    }
    if( db_local_table_exists_but_lacks_column("undo", "isLink") ){
      db_multi_exec("ALTER TABLE undo ADD COLUMN isLink BOOLEAN DEFAULT 0");
    }
    if( db_local_table_exists_but_lacks_column("undo_vfile", "islink") ){
      db_multi_exec("ALTER TABLE undo_vfile ADD COLUMN islink BOOL DEFAULT 0");
    }
  }
  fossil_free(zVFileDef);






  return 1;
}

/*
** Locate the root directory of the local repository tree.  The root
** directory is found by searching for a file named "_FOSSIL_" or ".fslckout"
** that contains a valid repository database.
................................................................................
  }

  /* Make a change to the CHECK constraint on the BLOB table for
  ** version 2.0 and later.
  */
  rebuild_schema_update_2_0();   /* Do the Fossil-2.0 schema updates */

  /* If the checkout database was opened first, then check to make


  ** sure that the repository database that was just opened has not
  ** be replaced by a clone of the same project, with different RID
  ** values.



  */
  if( g.localOpen && !db_fingerprint_ok() ){
    /* Uncomment the following when we are ready for automatic recovery: */
#if 0











    stash_rid_renumbering_event();

#else








    fossil_print(
      "Oops. It looks like the repository database file located at\n"
      "    \"%s\"\n", zDbName


    );
    fossil_print(
      "has been swapped with a clone that may have different\n"
      "integer keys for the various artifacts. As of 2019-01-11,\n"
      "we are working on enhancing Fossil to be able to deal with\n"
      "that automatically, but we are not there yet. Sorry.\n\n"
















    );
    fossil_print(
      "As an interim workaround, try:\n"
      "  %s close --force\n"
      "  %s open \"%s\" --keep\n"
      "Noting that any STASH and UNDO information "
      "WILL BE IRREVOCABLY LOST.\n\n",
      g.argv[0],
      g.argv[0], zDbName








    );
    fossil_fatal("bad fingerprint");
#endif


  }
}

/*
** Return true if there have been any changes to the repository
** database since it was opened.
**
................................................................................
  }

#if defined(_WIN32) || defined(__CYGWIN__)
# define LOCALDB_NAME "./_FOSSIL_"
#else
# define LOCALDB_NAME "./.fslckout"
#endif
  db_init_database(LOCALDB_NAME, zLocalSchema,
#ifdef FOSSIL_LOCAL_WAL
                   "COMMIT; PRAGMA journal_mode=WAL; BEGIN;",
#endif
                   (char*)0);
  db_delete_on_failure(LOCALDB_NAME);
  db_open_local(0);
  if( allowSymlinks>=0 ){







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/*
** 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, ExtFILE);
  if( lsize%1024!=0 || lsize<4096 ) return 0;
  db_open_or_attach(zDbName, "localdb");


  /* Check to see if the checkout database has the lastest schema changes.
  ** The most recent schema change (2019-01-19) is the addition of the
  ** vmerge.mhash and vfile.mhash fields.  If the schema has the vmerge.mhash
  ** column, assume everything else is up-to-date. 
  */
  if( db_table_has_column("localdb","vmerge","mhash") ){
    return 1;   /* This is a checkout database with the latest schema */
  }

  /* If there is no vfile table, then assume we have picked up something
  ** that is not even close to being a valid checkout database */
  if( !db_table_exists("localdb","vfile") ){
    return 0;  /* Not a  DB */
  }

  /* 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_table_has_column("localdb","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_table_has_column("localdb","vfile","isLink") ){
    db_multi_exec("ALTER TABLE vfile ADD COLUMN islink BOOLEAN DEFAULT 0");
    if( db_local_table_exists_but_lacks_column("stashfile", "isLink") ){
      db_multi_exec("ALTER TABLE stashfile ADD COLUMN isLink BOOL DEFAULT 0");
    }
    if( db_local_table_exists_but_lacks_column("undo", "isLink") ){
      db_multi_exec("ALTER TABLE undo ADD COLUMN isLink BOOLEAN DEFAULT 0");
    }
    if( db_local_table_exists_but_lacks_column("undo_vfile", "islink") ){
      db_multi_exec("ALTER TABLE undo_vfile ADD COLUMN islink BOOL DEFAULT 0");
    }
  }


  /* The design of the checkout database changed on 2019-01-19, adding the mhash
  ** column to vfile and vmerge and changing the UNIQUE index on vmerge into
  ** a PRIMARY KEY that includes the new mhash column.  However, we must have
  ** the repository database at hand in order to do the migration, so that
  ** step is deferred. */
  return 1;
}

/*
** Locate the root directory of the local repository tree.  The root
** directory is found by searching for a file named "_FOSSIL_" or ".fslckout"
** that contains a valid repository database.
................................................................................
  }

  /* Make a change to the CHECK constraint on the BLOB table for
  ** version 2.0 and later.
  */
  rebuild_schema_update_2_0();   /* Do the Fossil-2.0 schema updates */

  /* Additional checks that occur when opening the checkout database */
  if( g.localOpen ){

    /* If the repository database that was just opened has been
    ** eplaced by a clone of the same project, with different RID

    ** values, then renumber the RID values stored in various tables
    ** of the checkout database, so that the repository and checkout
    ** databases align.
    */
    if( !db_fingerprint_ok() ){


      if( find_option("no-rid-adjust",0,0)!=0 ){
        /* The --no-rid-adjust command-line option bypasses the RID value
        ** updates. Intended for use during debugging, especially to be
        ** able to run "fossil sql" after a database swap. */
        fossil_print(
          "WARNING: repository change detected, but no adjust made.\n"
        );
      }else if( find_option("rid-renumber-dryrun",0,0)!=0 ){
        /* the --rid-renumber-dryrun option shows how RID values would be
        ** renumbered, but does not actually perform the renumbering.
        ** This is a debugging-only option. */
        vfile_rid_renumbering_event(1);
        exit(0);
      }else{
        char *z;
        stash_rid_renumbering_event();
        vfile_rid_renumbering_event(0);
        undo_reset();
        bisect_reset();
        z = db_fingerprint(0);
        db_lset("fingerprint", z);
        fossil_free(z);
        fossil_print(


          "WARNING: The repository database has been replaced by a clone.\n"
          "Bisect history and undo have been lost.\n"
        );





      }
    }

    /* Make sure the checkout database schema migration of 2019-01-20 
    ** has occurred.
    **
    ** The 2019-01-19 migration is the addition of the vmerge.mhash and
    ** vfile.mhash columns and making the vmerge.mhash column part of the
    ** PRIMARY KEY for vmerge.
    */
    if( !db_table_has_column("localdb", "vfile", "mhash") ){
      db_multi_exec("ALTER TABLE vfile ADD COLUMN mhash;");
      db_multi_exec(
        "UPDATE vfile"
        "   SET mhash=(SELECT uuid FROM blob WHERE blob.rid=vfile.mrid)"
        " WHERE mrid!=rid;"
      );








      if( !db_table_has_column("localdb", "vmerge", "mhash") ){
        db_multi_exec("ALTER TABLE vmerge RENAME TO old_vmerge;");
        db_multi_exec(zLocalSchemaVmerge /*works-like:""*/);
        db_multi_exec(  
           "INSERT OR IGNORE INTO vmerge(id,merge,mhash)"
           "  SELECT id, merge, blob.uuid FROM old_vmerge, blob"
           "   WHERE old_vmerge.merge=blob.rid;"
           "DROP TABLE old_vmerge;"
        );


      }
    }
  }
}

/*
** Return true if there have been any changes to the repository
** database since it was opened.
**
................................................................................
  }

#if defined(_WIN32) || defined(__CYGWIN__)
# define LOCALDB_NAME "./_FOSSIL_"
#else
# define LOCALDB_NAME "./.fslckout"
#endif
  db_init_database(LOCALDB_NAME, zLocalSchema, zLocalSchemaVmerge,
#ifdef FOSSIL_LOCAL_WAL
                   "COMMIT; PRAGMA journal_mode=WAL; BEGIN;",
#endif
                   (char*)0);
  db_delete_on_failure(LOCALDB_NAME);
  db_open_local(0);
  if( allowSymlinks>=0 ){

Changes to src/foci.c.

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**
**   (0)     A full scan.  Visit every manifest in the repo.  (Slow)
**   (1)     checkinID=?.  visit only the single manifest specified.
**   (2)     symName=?     visit only the single manifest specified.
*/
static int fociBestIndex(sqlite3_vtab *tab, sqlite3_index_info *pIdxInfo){
  int i;
  pIdxInfo->estimatedCost = 10000.0;
  for(i=0; i<pIdxInfo->nConstraint; i++){

    if( pIdxInfo->aConstraint[i].op==SQLITE_INDEX_CONSTRAINT_EQ
     && (pIdxInfo->aConstraint[i].iColumn==FOCI_CHECKINID
            || pIdxInfo->aConstraint[i].iColumn==FOCI_SYMNAME)
    ){
      if( pIdxInfo->aConstraint[i].iColumn==FOCI_CHECKINID ){
        pIdxInfo->idxNum = 1;
      }else{







|

>







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**
**   (0)     A full scan.  Visit every manifest in the repo.  (Slow)
**   (1)     checkinID=?.  visit only the single manifest specified.
**   (2)     symName=?     visit only the single manifest specified.
*/
static int fociBestIndex(sqlite3_vtab *tab, sqlite3_index_info *pIdxInfo){
  int i;
  pIdxInfo->estimatedCost = 1000000000.0;
  for(i=0; i<pIdxInfo->nConstraint; i++){
    if( !pIdxInfo->aConstraint[i].usable ) continue;
    if( pIdxInfo->aConstraint[i].op==SQLITE_INDEX_CONSTRAINT_EQ
     && (pIdxInfo->aConstraint[i].iColumn==FOCI_CHECKINID
            || pIdxInfo->aConstraint[i].iColumn==FOCI_SYMNAME)
    ){
      if( pIdxInfo->aConstraint[i].iColumn==FOCI_CHECKINID ){
        pIdxInfo->idxNum = 1;
      }else{

Changes to src/json_status.c.

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  cson_object_set( oPay, "errorCount", json_new_int( nErr ) );
  db_finalize(&q);

#if 0
  /* TODO: add "merged with" status.  First need (A) to decide on a
     structure and (B) to set up some tests for the multi-merge
     case.*/
  db_prepare(&q, "SELECT uuid, id FROM vmerge JOIN blob ON merge=rid"
                 " WHERE id<=0");
  while( db_step(&q)==SQLITE_ROW ){
    const char *zLabel = "MERGED_WITH";
    switch( db_column_int(&q, 1) ){
      case -1:  zLabel = "CHERRYPICK ";  break;
      case -2:  zLabel = "BACKOUT    ";  break;
      case -4:  zLabel = "INTEGRATE  ";  break;
    }







<
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  cson_object_set( oPay, "errorCount", json_new_int( nErr ) );
  db_finalize(&q);

#if 0
  /* TODO: add "merged with" status.  First need (A) to decide on a
     structure and (B) to set up some tests for the multi-merge
     case.*/

  db_prepare(&q, "SELECT mhash, id FROM vmerge WHERE id<=0");
  while( db_step(&q)==SQLITE_ROW ){
    const char *zLabel = "MERGED_WITH";
    switch( db_column_int(&q, 1) ){
      case -1:  zLabel = "CHERRYPICK ";  break;
      case -2:  zLabel = "BACKOUT    ";  break;
      case -4:  zLabel = "INTEGRATE  ";  break;
    }

Changes to src/merge.c.

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      );
    }
    free(zN);
    free(zV);
  }
  free(aChng);
}











/*
** COMMAND: merge
**
** Usage: %fossil merge ?OPTIONS? ?VERSION?
**
** The argument VERSION is a version that should be merged into the
................................................................................
    const char *zName = db_column_text(&q, 2);
    int islinkm = db_column_int(&q, 3);
    /* Copy content from idm over into idv.  Overwrite idv. */
    fossil_print("UPDATE %s\n", zName);
    if( !dryRunFlag ){
      undo_save(zName);
      db_multi_exec(
        "UPDATE vfile SET mtime=0, mrid=%d, chnged=%d, islink=%d "


        " WHERE id=%d", ridm, integrateFlag?4:2, islinkm, idv
      );
      vfile_to_disk(0, idv, 0, 0);
    }
  }
  db_finalize(&q);

  /*
................................................................................
        fossil_print("***** Cannot merge binary file %s\n", zName);
        nConflict++;
      }
      blob_reset(&p);
      blob_reset(&m);
      blob_reset(&r);
    }
    db_multi_exec("INSERT OR IGNORE INTO vmerge(id,merge) VALUES(%d,%d)",
                  idv,ridm);
  }
  db_finalize(&q);

  /*
  ** Drop files that are in P and V but not in M
  */
  db_prepare(&q,
................................................................................
    " WHERE idp=0 AND idv=0 AND idm>0"
  );
  while( db_step(&q)==SQLITE_ROW ){
    int idm = db_column_int(&q, 0);
    const char *zName;
    char *zFullName;
    db_multi_exec(
      "REPLACE INTO vfile(vid,chnged,deleted,rid,mrid,isexe,islink,pathname)"

      "  SELECT %d,%d,0,rid,mrid,isexe,islink,pathname FROM vfile WHERE id=%d",



      vid, integrateFlag?5:3, idm
    );
    zName = db_column_text(&q, 1);
    zFullName = mprintf("%s%s", g.zLocalRoot, zName);
    if( file_isfile_or_link(zFullName)
        && !db_exists("SELECT 1 FROM fv WHERE fn=%Q", zName) ){
      fossil_print("ADDED %s (overwrites an unmanaged file)\n", zName);
................................................................................
  }

  /*
  ** Clean up the mid and pid VFILE entries.  Then commit the changes.
  */
  db_multi_exec("DELETE FROM vfile WHERE vid!=%d", vid);
  if( pickFlag ){
    db_multi_exec("INSERT OR IGNORE INTO vmerge(id,merge) VALUES(-1,%d)",mid);
    /* For a cherry-pick merge, make the default check-in comment the same
    ** as the check-in comment on the check-in that is being merged in. */
    db_multi_exec(
       "REPLACE INTO vvar(name,value)"
       " SELECT 'ci-comment', coalesce(ecomment,comment) FROM event"
       "  WHERE type='ci' AND objid=%d",
       mid
    );
  }else if( backoutFlag ){
    db_multi_exec("INSERT OR IGNORE INTO vmerge(id,merge) VALUES(-2,%d)",pid);
  }else if( integrateFlag ){
    db_multi_exec("INSERT OR IGNORE INTO vmerge(id,merge) VALUES(-4,%d)",mid);
  }else{
    db_multi_exec("INSERT OR IGNORE INTO vmerge(id,merge) VALUES(0,%d)", mid);
  }
  if( !dryRunFlag ) undo_finish();
  db_end_transaction(dryRunFlag);
}







>
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      );
    }
    free(zN);
    free(zV);
  }
  free(aChng);
}

/* Make an entry in the vmerge table for the given id, and rid.
*/
static void vmerge_insert(int id, int rid){
  db_multi_exec(
    "INSERT OR IGNORE INTO vmerge(id,merge,mhash)"
    "VALUES(%d,%d,(SELECT uuid FROM blob WHERE rid=%d))",
    id, rid, rid
  );
}

/*
** COMMAND: merge
**
** Usage: %fossil merge ?OPTIONS? ?VERSION?
**
** The argument VERSION is a version that should be merged into the
................................................................................
    const char *zName = db_column_text(&q, 2);
    int islinkm = db_column_int(&q, 3);
    /* Copy content from idm over into idv.  Overwrite idv. */
    fossil_print("UPDATE %s\n", zName);
    if( !dryRunFlag ){
      undo_save(zName);
      db_multi_exec(
        "UPDATE vfile SET mtime=0, mrid=%d, chnged=%d, islink=%d,"
        " mhash=CASE WHEN rid<>%d"
                   " THEN (SELECT uuid FROM blob WHERE blob.rid=%d) END"
        " WHERE id=%d", ridm, integrateFlag?4:2, islinkm, ridm, ridm, idv
      );
      vfile_to_disk(0, idv, 0, 0);
    }
  }
  db_finalize(&q);

  /*
................................................................................
        fossil_print("***** Cannot merge binary file %s\n", zName);
        nConflict++;
      }
      blob_reset(&p);
      blob_reset(&m);
      blob_reset(&r);
    }
    vmerge_insert(idv, ridm);

  }
  db_finalize(&q);

  /*
  ** Drop files that are in P and V but not in M
  */
  db_prepare(&q,
................................................................................
    " WHERE idp=0 AND idv=0 AND idm>0"
  );
  while( db_step(&q)==SQLITE_ROW ){
    int idm = db_column_int(&q, 0);
    const char *zName;
    char *zFullName;
    db_multi_exec(
      "REPLACE INTO vfile(vid,chnged,deleted,rid,mrid,"
                         "isexe,islink,pathname,mhash)"
      "  SELECT %d,%d,0,rid,mrid,isexe,islink,pathname,"
              "CASE WHEN rid<>mrid"
              "     THEN (SELECT uuid FROM blob WHERE blob.rid=vfile.mrid) END "
              "FROM vfile WHERE id=%d",
      vid, integrateFlag?5:3, idm
    );
    zName = db_column_text(&q, 1);
    zFullName = mprintf("%s%s", g.zLocalRoot, zName);
    if( file_isfile_or_link(zFullName)
        && !db_exists("SELECT 1 FROM fv WHERE fn=%Q", zName) ){
      fossil_print("ADDED %s (overwrites an unmanaged file)\n", zName);
................................................................................
  }

  /*
  ** Clean up the mid and pid VFILE entries.  Then commit the changes.
  */
  db_multi_exec("DELETE FROM vfile WHERE vid!=%d", vid);
  if( pickFlag ){
    vmerge_insert(-1, mid);
    /* For a cherry-pick merge, make the default check-in comment the same
    ** as the check-in comment on the check-in that is being merged in. */
    db_multi_exec(
       "REPLACE INTO vvar(name,value)"
       " SELECT 'ci-comment', coalesce(ecomment,comment) FROM event"
       "  WHERE type='ci' AND objid=%d",
       mid
    );
  }else if( backoutFlag ){
    vmerge_insert(-2, pid);
  }else if( integrateFlag ){
    vmerge_insert(-4, mid);
  }else{
    vmerge_insert(0, mid);
  }
  if( !dryRunFlag ) undo_finish();
  db_end_transaction(dryRunFlag);
}

Changes to src/schema.c.

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/*
** Copyright (c) 2007 D. Richard Hipp
**
** This program is free software; you can redistribute it and/or
** modify it under the terms of the Simplified BSD License (also
** known as the "2-Clause License" or "FreeBSD License".)

** This program is distributed in the hope that it will be useful,
** but without any warranty; without even the implied warranty of
** merchantability or fitness for a particular purpose.
**
** Author contact information:
**   drh@hwaci.com
**   http://www.hwaci.com/drh/
................................................................................
@ -- used to reduce push operations to a single HTTP request in the
@ -- common case when one repository only talks to a single server.
@ --
@ CREATE TABLE unsent(
@   rid INTEGER PRIMARY KEY         -- Record ID of the phantom
@ );
@
@ -- Each baseline or manifest can have one or more tags.  A tag
@ -- is defined by a row in the next table.
@ --
@ -- Wiki pages are tagged with "wiki-NAME" where NAME is the name of
@ -- the wiki page.  Tickets changes are tagged with "ticket-UUID" where
@ -- UUID is the indentifier of the ticket.  Tags used to assign symbolic
@ -- names to baselines are branches are of the form "sym-NAME" where
@ -- NAME is the symbolic name.
................................................................................
@ INSERT INTO tag VALUES(6, 'private');         -- TAG_PRIVATE
@ INSERT INTO tag VALUES(7, 'cluster');         -- TAG_CLUSTER
@ INSERT INTO tag VALUES(8, 'branch');          -- TAG_BRANCH
@ INSERT INTO tag VALUES(9, 'closed');          -- TAG_CLOSED
@ INSERT INTO tag VALUES(10,'parent');          -- TAG_PARENT
@ INSERT INTO tag VALUES(11,'note');            -- TAG_NOTE
@
@ -- Assignments of tags to baselines.  Note that we allow tags to
@ -- have values assigned to them.  So we are not really dealing with
@ -- tags here.  These are really properties.  But we are going to
@ -- keep calling them tags because in many cases the value is ignored.
@ --
@ CREATE TABLE tagxref(
@   tagid INTEGER REFERENCES tag,   -- The tag that added or removed
@   tagtype INTEGER,                -- 0:-,cancel  1:+,single  2:*,propagate
................................................................................
# define TAG_PARENT     10    /* Change to parentage on a check-in */
# define TAG_NOTE       11    /* Extra text appended to a check-in comment */
#endif

/*
** The schema for the local FOSSIL database file found at the root
** of every check-out.  This database contains the complete state of
** the checkout.
*/
const char zLocalSchema[] =
@ -- The VVAR table holds miscellanous information about the local database
@ -- in the form of name-value pairs.  This is similar to the VAR table
@ -- table in the repository except that this table holds information that
@ -- is specific to the local checkout.
@ --
................................................................................
@
@ -- Each entry in the vfile table represents a single file in the
@ -- current checkout.
@ --
@ -- The file.rid field is 0 for files or folders that have been
@ -- added but not yet committed.
@ --
@ -- Vfile.chnged is 0 for unmodified files, 1 for files that have
@ -- been edited or which have been subjected to a 3-way merge.
@ -- Vfile.chnged is 2 if the file has been replaced from a different
@ -- version by the merge and 3 if the file has been added by a merge.
@ -- Vfile.chnged is 4|5 is the same as 2|3, but the operation has been
@ -- done by an --integrate merge.  The difference between vfile.chnged==3|5
@ -- and a regular add is that with vfile.chnged==3|5 we know that the
@ -- current version of the file is already in the repository.
@ --
@ CREATE TABLE vfile(
@   id INTEGER PRIMARY KEY,           -- ID of the checked out file
@   vid INTEGER REFERENCES blob,      -- The baseline this file is part of.
@   chnged INT DEFAULT 0,  -- 0:unchng 1:edit 2:m-chng 3:m-add 4:i-chng 5:i-add
@   deleted BOOLEAN DEFAULT 0,        -- True if deleted
@   isexe BOOLEAN,                    -- True if file should be executable
@   islink BOOLEAN,                   -- True if file should be symlink
@   rid INTEGER,                      -- Originally from this repository record
@   mrid INTEGER,                     -- Based on this record due to a merge
@   mtime INTEGER,                    -- Mtime of file on disk. sec since 1970
@   pathname TEXT,                    -- Full pathname relative to root
@   origname TEXT,                    -- Original pathname. NULL if unchanged

@   UNIQUE(pathname,vid)
@ );
@










@ -- This table holds a record of uncommitted merges in the local
@ -- file tree.  If a VFILE entry with id has merged with another
@ -- record, there is an entry in this table with (id,merge) where
@ -- merge is the RECORD table entry that the file merged against.
@ -- An id of 0 or <-3 here means the version record itself.  When
@ -- id==(-1) that is a cherrypick merge, id==(-2) that is a
@ -- backout merge and id==(-4) is a integrate merge.

@
@ CREATE TABLE vmerge(
@   id INTEGER REFERENCES vfile,      -- VFILE entry that has been merged
@   merge INTEGER,                    -- Merged with this record
@   UNIQUE(id, merge)
@ );

@
@ -- Identifier for this file type.
@ -- The integer is the same as 'FSLC'.
@ PRAGMA application_id=252006674;










;

/*
** The following table holds information about forum posts.  It
** is created on-demand whenever the manifest parser encounters
** a forum-post artifact.
*/






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/*
** Copyright (c) 2007 D. Richard Hipp
**
** This program is free software; you can redistribute it and/or
** modify it under the terms of the Simplified BSD License (also
** known as the "2-Clause License" or "FreeBSD License".)
**
** This program is distributed in the hope that it will be useful,
** but without any warranty; without even the implied warranty of
** merchantability or fitness for a particular purpose.
**
** Author contact information:
**   drh@hwaci.com
**   http://www.hwaci.com/drh/
................................................................................
@ -- used to reduce push operations to a single HTTP request in the
@ -- common case when one repository only talks to a single server.
@ --
@ CREATE TABLE unsent(
@   rid INTEGER PRIMARY KEY         -- Record ID of the phantom
@ );
@
@ -- Each artifact can have one or more tags.  A tag
@ -- is defined by a row in the next table.
@ --
@ -- Wiki pages are tagged with "wiki-NAME" where NAME is the name of
@ -- the wiki page.  Tickets changes are tagged with "ticket-UUID" where
@ -- UUID is the indentifier of the ticket.  Tags used to assign symbolic
@ -- names to baselines are branches are of the form "sym-NAME" where
@ -- NAME is the symbolic name.
................................................................................
@ INSERT INTO tag VALUES(6, 'private');         -- TAG_PRIVATE
@ INSERT INTO tag VALUES(7, 'cluster');         -- TAG_CLUSTER
@ INSERT INTO tag VALUES(8, 'branch');          -- TAG_BRANCH
@ INSERT INTO tag VALUES(9, 'closed');          -- TAG_CLOSED
@ INSERT INTO tag VALUES(10,'parent');          -- TAG_PARENT
@ INSERT INTO tag VALUES(11,'note');            -- TAG_NOTE
@
@ -- Assignments of tags to artifacts.  Note that we allow tags to
@ -- have values assigned to them.  So we are not really dealing with
@ -- tags here.  These are really properties.  But we are going to
@ -- keep calling them tags because in many cases the value is ignored.
@ --
@ CREATE TABLE tagxref(
@   tagid INTEGER REFERENCES tag,   -- The tag that added or removed
@   tagtype INTEGER,                -- 0:-,cancel  1:+,single  2:*,propagate
................................................................................
# define TAG_PARENT     10    /* Change to parentage on a check-in */
# define TAG_NOTE       11    /* Extra text appended to a check-in comment */
#endif

/*
** The schema for the local FOSSIL database file found at the root
** of every check-out.  This database contains the complete state of
** the checkout.  See also the addendum in zLocalSchemaVmerge[].
*/
const char zLocalSchema[] =
@ -- The VVAR table holds miscellanous information about the local database
@ -- in the form of name-value pairs.  This is similar to the VAR table
@ -- table in the repository except that this table holds information that
@ -- is specific to the local checkout.
@ --
................................................................................
@
@ -- Each entry in the vfile table represents a single file in the
@ -- current checkout.
@ --
@ -- The file.rid field is 0 for files or folders that have been
@ -- added but not yet committed.
@ --
@ -- Vfile.chnged meaning:
@ --    0       File is unmodified
@ --    1       Manually edited and/or modified as part of a merge command
@ --    2       Replaced by a merge command
@ --    3       Added by a merge command
@ --    4,5     Same as 2,3 except merge using --integrate


@ --
@ CREATE TABLE vfile(
@   id INTEGER PRIMARY KEY,           -- ID of the checked out file
@   vid INTEGER REFERENCES blob,      -- The checkin this file is part of.
@   chnged INT DEFAULT 0,  -- 0:unchng 1:edit 2:m-chng 3:m-add 4:i-chng 5:i-add
@   deleted BOOLEAN DEFAULT 0,        -- True if deleted
@   isexe BOOLEAN,                    -- True if file should be executable
@   islink BOOLEAN,                   -- True if file should be symlink
@   rid INTEGER,                      -- Originally from this repository record
@   mrid INTEGER,                     -- Based on this record due to a merge
@   mtime INTEGER,                    -- Mtime of file on disk. sec since 1970
@   pathname TEXT,                    -- Full pathname relative to root
@   origname TEXT,                    -- Original pathname. NULL if unchanged
@   mhash TEXT,                       -- Hash of mrid iff mrid!=rid
@   UNIQUE(pathname,vid)
@ );
@
@ -- Identifier for this file type.
@ -- The integer is the same as 'FSLC'.
@ PRAGMA application_id=252006674;
;

/* Additional local database initialization following the schema
** enhancement of 2019-01-19, in which the mhash column was added
** to vmerge and vfile.
*/
const char zLocalSchemaVmerge[] =
@ -- This table holds a record of uncommitted merges in the local
@ -- file tree.  If a VFILE entry with id has merged with another
@ -- record, there is an entry in this table with (id,merge) where
@ -- merge is the RECORD table entry that the file merged against.
@ -- An id of 0 or <-3 here means the version record itself.  When
@ -- id==(-1) that is a cherrypick merge, id==(-2) that is a
@ -- backout merge and id==(-4) is a integrate merge.
@ --
@
@ CREATE TABLE vmerge(
@   id INTEGER REFERENCES vfile,      -- VFILE entry that has been merged
@   merge INTEGER,                    -- Merged with this record
@   mhash TEXT                        -- SHA1/SHA3 hash for merge object
@ );
@ CREATE UNIQUE INDEX vmergex1 ON vmerge(id,mhash);
@

@ -- The following trigger will prevent older versions of Fossil that
@ -- do not know about the new vmerge.mhash column from updating the
@ -- vmerge table.  This must be done with a trigger, since legacy Fossil
@ -- uses INSERT OR IGNORE to update vmerge, and the OR IGNORE will cause
@ -- a NOT NULL constraint to be silently ignored.
@
@ CREATE TRIGGER vmerge_ck1 AFTER INSERT ON vmerge
@ WHEN new.mhash IS NULL BEGIN
@   SELECT raise(FAIL,
@   'trying to update a newer checkout with an older version of Fossil');
@ END;
@
;

/*
** The following table holds information about forum posts.  It
** is created on-demand whenever the manifest parser encounters
** a forum-post artifact.
*/

Changes to src/update.c.

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  }

  /* Report on conflicts
  */
  if( !dryRunFlag ){
    Stmt q;
    int nMerge = 0;
    db_prepare(&q, "SELECT uuid, id FROM vmerge JOIN blob ON merge=rid"
                   " WHERE id<=0");
    while( db_step(&q)==SQLITE_ROW ){
      const char *zLabel = "merge";
      switch( db_column_int(&q, 1) ){
        case -1:  zLabel = "cherrypick merge"; break;
        case -2:  zLabel = "backout merge";    break;
      }
      fossil_warning("uncommitted %s against %S.",
................................................................................
        blob_write_to_file(&record, zFull);
      }
      file_setexe(zFull, rvPerm==PERM_EXE);
      fossil_print("REVERT   %s\n", zFile);
      mtime = file_mtime(zFull, RepoFILE);
      db_multi_exec(
         "UPDATE vfile"
         "   SET mtime=%lld, chnged=%d, deleted=0, isexe=%d, islink=%d,mrid=rid"

         " WHERE pathname=%Q OR origname=%Q",
         mtime, rvChnged, rvPerm==PERM_EXE, rvPerm==PERM_LNK, zFile, zFile
      );
    }
    blob_reset(&record);
    free(zFull);
  }







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  }

  /* Report on conflicts
  */
  if( !dryRunFlag ){
    Stmt q;
    int nMerge = 0;

    db_prepare(&q, "SELECT mhash, id FROM vmerge WHERE id<=0");
    while( db_step(&q)==SQLITE_ROW ){
      const char *zLabel = "merge";
      switch( db_column_int(&q, 1) ){
        case -1:  zLabel = "cherrypick merge"; break;
        case -2:  zLabel = "backout merge";    break;
      }
      fossil_warning("uncommitted %s against %S.",
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        blob_write_to_file(&record, zFull);
      }
      file_setexe(zFull, rvPerm==PERM_EXE);
      fossil_print("REVERT   %s\n", zFile);
      mtime = file_mtime(zFull, RepoFILE);
      db_multi_exec(
         "UPDATE vfile"
         "   SET mtime=%lld, chnged=%d, deleted=0, isexe=%d, islink=%d,"
         "       mrid=rid, mhash=NULL"
         " WHERE pathname=%Q OR origname=%Q",
         mtime, rvChnged, rvPerm==PERM_EXE, rvPerm==PERM_LNK, zFile, zFile
      );
    }
    blob_reset(&record);
    free(zFull);
  }

Changes to src/vfile.c.

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  db_begin_transaction();
  p = manifest_get(vid, CFTYPE_MANIFEST, 0);
  if( p==0 ) {
    db_end_transaction(1);
    return 0;
  }
  db_prepare(&ins,
    "INSERT INTO vfile(vid,isexe,islink,rid,mrid,pathname) "
    " VALUES(:vid,:isexe,:islink,:id,:id,:name)");
  db_prepare(&ridq, "SELECT rid,size FROM blob WHERE uuid=:uuid");
  db_bind_int(&ins, ":vid", vid);
  manifest_file_rewind(p);
  nMissing = 0;
  while( (pFile = manifest_file_next(p,0))!=0 ){
    if( pFile->zUuid==0 || uuid_is_shunned(pFile->zUuid) ) continue;
    db_bind_text(&ridq, ":uuid", pFile->zUuid);
................................................................................
      ** if --hash is used, check to see if they have been edited by
      ** looking at their artifact hashes */
      const char *zUuid = db_column_text(&q, 5);
      int nUuid = db_column_bytes(&q, 5);
      assert( origSize==currentSize );
      if( !hname_verify_file_hash(zName, zUuid, nUuid) ) chnged = 1;
    }
    if( (cksigFlags & CKSIG_SETMTIME) && (chnged==0 || chnged==2 || chnged==4) ){
      i64 desiredMtime;
      if( mtime_of_manifest_file(vid,rid,&desiredMtime)==0 ){
        if( currentMtime!=desiredMtime ){
          file_set_mtime(zName, desiredMtime);
          currentMtime = file_mtime(zName, RepoFILE);
        }
      }
................................................................................
  vfile_aggregate_checksum_repository(vid, &hash);
  printf("archive:  %s\n", blob_str(&hash));
  blob_reset(&hash);
  vfile_aggregate_checksum_manifest(vid, &hash, &hash2);
  printf("manifest: %s\n", blob_str(&hash));
  printf("recorded: %s\n", blob_str(&hash2));
}






































































































































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  db_begin_transaction();
  p = manifest_get(vid, CFTYPE_MANIFEST, 0);
  if( p==0 ) {
    db_end_transaction(1);
    return 0;
  }
  db_prepare(&ins,
    "INSERT INTO vfile(vid,isexe,islink,rid,mrid,pathname,mhash) "
    " VALUES(:vid,:isexe,:islink,:id,:id,:name,NULL)");
  db_prepare(&ridq, "SELECT rid,size FROM blob WHERE uuid=:uuid");
  db_bind_int(&ins, ":vid", vid);
  manifest_file_rewind(p);
  nMissing = 0;
  while( (pFile = manifest_file_next(p,0))!=0 ){
    if( pFile->zUuid==0 || uuid_is_shunned(pFile->zUuid) ) continue;
    db_bind_text(&ridq, ":uuid", pFile->zUuid);
................................................................................
      ** if --hash is used, check to see if they have been edited by
      ** looking at their artifact hashes */
      const char *zUuid = db_column_text(&q, 5);
      int nUuid = db_column_bytes(&q, 5);
      assert( origSize==currentSize );
      if( !hname_verify_file_hash(zName, zUuid, nUuid) ) chnged = 1;
    }
    if( (cksigFlags & CKSIG_SETMTIME) && (chnged==0 || chnged==2 || chnged==4)){
      i64 desiredMtime;
      if( mtime_of_manifest_file(vid,rid,&desiredMtime)==0 ){
        if( currentMtime!=desiredMtime ){
          file_set_mtime(zName, desiredMtime);
          currentMtime = file_mtime(zName, RepoFILE);
        }
      }
................................................................................
  vfile_aggregate_checksum_repository(vid, &hash);
  printf("archive:  %s\n", blob_str(&hash));
  blob_reset(&hash);
  vfile_aggregate_checksum_manifest(vid, &hash, &hash2);
  printf("manifest: %s\n", blob_str(&hash));
  printf("recorded: %s\n", blob_str(&hash2));
}

/*
** This routine recomputes certain columns of the vfile and vmerge tables
** when the associated repository is swapped out for a clone of the same
** project, and the blob.rid value change.  The following columns are
** updated:
**
**      vmerge.merge
**      vfile.vid
**      vfile.rid
**      vfile.mrid
**
** Also:
**
**      vvar.value WHERE name='checkout'
*/
void vfile_rid_renumbering_event(int dryRun){
  int oldVid;
  int newVid;
  char *zUnresolved;

  oldVid = db_lget_int("checkout", 0);
  newVid = db_int(0, "SELECT blob.rid FROM blob, vvar"
                     " WHERE blob.uuid=vvar.value"
                     "   AND vvar.name='checkout-hash'");

  /* The idMap table will make old RID values into new ones */
  db_multi_exec(
    "CREATE TEMP TABLE idMap(oldrid INTEGER PRIMARY KEY, newrid INT);\n"
  );

  /* Add the RID value for the current check-out */
  db_multi_exec(
    "INSERT INTO idMap(oldrid, newrid) VALUES(%d,%d)",
    oldVid, newVid
  );

  /* Add the RID values for any other check-ins that have been merged into
  ** the current check-out. */
  db_multi_exec(
    "INSERT OR IGNORE INTO idMap(oldrid, newrid)"
    "  SELECT vmerge.merge, blob.rid FROM vmerge, blob"
    "   WHERE blob.uuid=vmerge.mhash;"
  );

  /* Add RID values for files in the current check-out */
  db_multi_exec(
    "CREATE TEMP TABLE hashoffile(name TEXT PRIMARY KEY, hash TEXT)"
    "WITHOUT ROWID;"

    "INSERT INTO hashoffile(name,hash)"
    "  SELECT filename, uuid FROM vvar, files_of_checkin(vvar.value)"
    "   WHERE vvar.name='checkout-hash';"

    "INSERT OR IGNORE INTO idMap(oldrid, newrid)"
    "  SELECT vfile.rid, blob.rid FROM vfile, hashoffile, blob"
    "   WHERE hashoffile.name=coalesce(vfile.origname,vfile.pathname)"
    "     AND blob.uuid=hashoffile.hash;"
  );

  /* Add RID values for merged-in files */
  db_multi_exec(
    "INSERT OR IGNORE INTO idMap(oldrid, newrid)"
    " SELECT vfile.mrid, blob.rid FROM vfile, blob"
    "  WHERE blob.uuid=vfile.mhash;"
  );
  
  if( dryRun ){
    Stmt q;
    db_prepare(&q, "SELECT oldrid, newrid, blob.uuid"
                   "  FROM idMap, blob WHERE blob.rid=idMap.newrid");
    while( db_step(&q)==SQLITE_ROW ){
      fossil_print("%8d -> %8d  %.25s\n", 
         db_column_int(&q,0),
         db_column_int(&q,1),
         db_column_text(&q,2));
    }
    db_finalize(&q);
  }

  /* Verify that all RID values in the VFILE table and VMERGE table have
  ** been resolved. */
  zUnresolved = db_text("",
     "WITH allrid(x) AS ("
     "  SELECT rid FROM vfile"
     "  UNION SELECT mrid FROM vfile"
     "  UNION SELECT merge FROM vmerge"
     "  UNION SELECT %d"
     ")"
     "SELECT group_concat(x,' ') FROM allrid"
     " WHERE x NOT IN (SELECT oldrid FROM idMap);",
     oldVid
  );
  if( zUnresolved[0] ){
    fossil_fatal("Unresolved RID values: %s\n", zUnresolved);
  }

  /* Make the changes to the VFILE and VMERGE tables */
  if( !dryRun ){
    db_multi_exec(
      "UPDATE vfile"
      "   SET rid=(SELECT newrid FROM idMap WHERE oldrid=vfile.rid)"
      " WHERE vid=%d AND rid>0;", oldVid);

    db_multi_exec(
      "UPDATE vfile"
      "   SET mrid=(SELECT newrid FROM idMap WHERE oldrid=vfile.mrid)"
      " WHERE vid=%d AND mrid>0;", oldVid);

    db_multi_exec(
      "UPDATE vfile"
      "   SET vid=%d"
      " WHERE vid=%d", newVid, oldVid);

    db_multi_exec(
      "UPDATE vmerge"
      "   SET merge=(SELECT newrid FROM idMap WHERE oldrid=vmerge.merge);");

    db_lset_int("checkout",newVid);
  }

  /* Clear out the TEMP tables we constructed */
  db_multi_exec(
    "DROP TABLE idMap;"
    "DROP TABLE hashoffile;"
  );
}