);

    if( markfile_in ){
      FILE *f = fossil_fopen(markfile_in, "r");
      if( !f ){
        fossil_fatal("cannot open %s for reading\n", markfile_in);
      }
      if(import_marks(f, &blobs, NULL, NULL)<0){
        fossil_fatal("error importing marks from file: %s\n", markfile_in);
      }
      fclose(f);
    }

    manifest_crosslink_begin();
    git_fast_import(pIn);

      Stmt q_marks;
      FILE *f;
      db_prepare(&q_marks, "SELECT DISTINCT trid FROM xmark");
      while( db_step(&q_marks)==SQLITE_ROW ){
        rid = db_column_int(&q_marks, 0);
        if( db_int(0, "SELECT count(objid) FROM event"
                      " WHERE objid=%d AND type='ci'", rid)==0 ){
          /* Blob marks exported by git aren't saved between runs, so they need
          ** to be left free for git to re-use in the future.

          */
        }else{
          bag_insert(&vers, rid);
        }
      }
      db_finalize(&q_marks);
      f = fossil_fopen(markfile_out, "w");
      if( !f ){