Fossil

        if( zName==0 || zTarget==0 ) goto manifest_syntax_error;
        if( p->zAttachName!=0 ) goto manifest_syntax_error;
        defossilize(zName);
        if( !file_is_simple_pathname(zName, 0) ){
          SYNTAX("invalid filename on A-card");
        }
        defossilize(zTarget);
        if( hname_validate(zTarget,nTarget)==HNAME_NONE
           && !wiki_name_is_wellformed((const unsigned char *)zTarget) ){
          SYNTAX("invalid target on A-card");
        }
        if( zSrc && hname_validate(zSrc,nSrc)==HNAME_NONE ){
          SYNTAX("invalid source on A-card");
        }
        p->zAttachName = (char*)file_tail(zName);
        p->zAttachSrc = zSrc;
        p->zAttachTarget = zTarget;
        break;
      }

      /*
      **    B <uuid>
      **
      ** A B-line gives the artifact hash for the baseline of a delta-manifest.
      */
      case 'B': {
        if( p->zBaseline ) SYNTAX("more than one B-card");
        p->zBaseline = next_token(&x, &sz);
        if( p->zBaseline==0 ) SYNTAX("missing hash on B-card");
        if( hname_validate(p->zBaseline,sz)==HNAME_NONE ){
          SYNTAX("invalid hash on B-card");
        }
        break;
      }


      /*

      ** is when the specific event is said to occur.
      */
      case 'E': {
        if( p->rEventDate>0.0 ) SYNTAX("more than one E-card");
        p->rEventDate = db_double(0.0,"SELECT julianday(%Q)", next_token(&x,0));
        if( p->rEventDate<=0.0 ) SYNTAX("malformed date on E-card");
        p->zEventId = next_token(&x, &sz);
        if( hname_validate(p->zEventId, sz)==HNAME_NONE ){
          SYNTAX("malformed hash on E-card");
        }
        break;
      }

      /*
      **     F <filename> ?<uuid>? ?<permissions>? ?<old-name>?

        if( zName==0 ) SYNTAX("missing filename on F-card");
        defossilize(zName);
        if( !file_is_simple_pathname(zName, 0) ){
          SYNTAX("F-card filename is not a simple path");
        }
        zUuid = next_token(&x, &sz);
        if( p->zBaseline==0 || zUuid!=0 ){
          if( hname_validate(zUuid,sz)==HNAME_NONE ){
            SYNTAX("F-card hash invalid");
          }
        }
        zPerm = next_token(&x,0);
        zPriorName = next_token(&x,0);
        if( zPriorName ){
          defossilize(zPriorName);

      **
      ** An M-line identifies another artifact by its hash.  M-lines
      ** occur in clusters only.
      */
      case 'M': {
        zUuid = next_token(&x, &sz);
        if( zUuid==0 ) SYNTAX("missing hash on M-card");
        if( hname_validate(zUuid,sz)==HNAME_NONE ){
          SYNTAX("Invalid hash on M-card");
        }
        if( p->nCChild>=p->nCChildAlloc ){
          p->nCChildAlloc = p->nCChildAlloc*2 + 10;
          p->azCChild = fossil_realloc(p->azCChild
                                 , p->nCChildAlloc*sizeof(p->azCChild[0]) );
        }

      ** this artifact.  The first parent is the primary parent.  All
      ** others are parents by merge. Note that the initial empty
      ** check-in historically has an empty P-card, so empty P-cards
      ** must be accepted.
      */
      case 'P': {
        while( (zUuid = next_token(&x, &sz))!=0 ){
          if( hname_validate(zUuid, sz)==HNAME_NONE ){
             SYNTAX("invalid hash on P-card");
          }
          if( p->nParent>=p->nParentAlloc ){
            p->nParentAlloc = p->nParentAlloc*2 + 5;
            p->azParent = fossil_realloc(p->azParent,
                               p->nParentAlloc*sizeof(char*));
          }

      ** this check-in ("+") or backed out of this check-in ("-").
      */
      case 'Q': {
        if( (zUuid=next_token(&x, &sz))==0 ) SYNTAX("missing hash on Q-card");
        if( zUuid[0]!='+' && zUuid[0]!='-' ){
          SYNTAX("Q-card does not begin with '+' or '-'");
        }
        if( hname_validate(&zUuid[1], sz-1)==HNAME_NONE ){
          SYNTAX("invalid hash on Q-card");
        }
        n = p->nCherrypick;
        p->nCherrypick++;
        p->aCherrypick = fossil_realloc(p->aCherrypick,
                                 p->nCherrypick*sizeof(p->aCherrypick[0]));
        p->aCherrypick[n].zCPTarget = zUuid;
        p->aCherrypick[n].zCPBase = zUuid = next_token(&x, &sz);
        if( zUuid && hname_validate(zUuid,sz)==HNAME_NONE ){
          SYNTAX("invalid second hash on Q-card");
        }
        break;
      }

      /*
      **     R <md5sum>

        char *zName, *zValue;
        zName = next_token(&x, 0);
        if( zName==0 ) SYNTAX("missing name on T-card");
        zUuid = next_token(&x, &sz);
        if( zUuid==0 ) SYNTAX("missing artifact hash on T-card");
        zValue = next_token(&x, 0);
        if( zValue ) defossilize(zValue);
        if( hname_validate(zUuid, sz)!=HNAME_NONE ){
          /* A valid artifact hash */
          if( p->zEventId ) SYNTAX("non-self-referential T-card in event");
        }else if( sz==1 && zUuid[0]=='*' ){
          zUuid = 0;
          hasSelfRefTag = 1;
          if( p->zEventId && zName[0]!='+' ){
            SYNTAX("propagating T-card in event");

void manifest_reparent_checkin(int rid, const char *zValue){
  int nParent = 0;
  char *zCopy = 0;
  char **azParent = 0;
  Manifest *p = 0;
  int i, j;
  int n = (int)strlen(zValue);
  int mxParent = (n+1)/(HNAME_LEN_MIN+1);

  if( mxParent<1 ) return;
  zCopy = fossil_strdup(zValue);
  azParent = fossil_malloc( sizeof(azParent[0])*mxParent );
  for(nParent=0, i=0; zCopy[i]; i++){
    char *z = &zCopy[i];
    azParent[nParent++] = z;
    if( nParent>mxParent ) goto reparent_abort;
    for(j=HNAME_LEN_MIN; z[j]>' '; j++){}
    if( hname_validate(z, j)==HNAME_NONE ) goto reparent_abort;
    if( z[j]==0 ) break;
    z[j] = 0;
    i += j;
  }
  if( !db_exists("SELECT 1 FROM plink WHERE cid=%d AND pid=%d",
                 rid, uuid_to_rid(azParent[0],0))
  ){