Fossil

/*
** Return the value of a boolean bisect option.
*/
int bisect_option(const char *zName){
  unsigned int i;
  int r = -1;
  for(i=0; i<sizeof(aBisectOption)/sizeof(aBisectOption[0]); i++){
    if( fossil_strcmp(zName, aBisectOption[i].zName)==0 ){
      char *zLabel = mprintf("bisect-%s", zName);
      char *z = db_lget(zLabel, (char*)aBisectOption[i].zDefault);
      if( is_truth(z) ) r = 1;
      if( is_false(z) ) r = 0;
      if( r<0 ) r = is_truth(aBisectOption[i].zDefault);
      free(zLabel);

  }else if( strncmp(zCmd, "log", n)==0 ){
    bisect_chart(0);
  }else if( strncmp(zCmd, "chart", n)==0 ){
    bisect_chart(1);
  }else if( strncmp(zCmd, "options", n)==0 ){
    if( g.argc==3 ){
      unsigned int i;
      for(i=0; i<sizeof(aBisectOption)/sizeof(aBisectOption[0]); i++){
        char *z = mprintf("bisect-%s", aBisectOption[i].zName);
        fossil_print("  %-15s  %-6s  ", aBisectOption[i].zName,
               db_lget(z, (char*)aBisectOption[i].zDefault));
        fossil_free(z);
        comment_print(aBisectOption[i].zDesc, 0, 27, -1, g.comFmtFlags);
      }
    }else if( g.argc==4 || g.argc==5 ){
      unsigned int i;
      n = strlen(g.argv[3]);
      for(i=0; i<sizeof(aBisectOption)/sizeof(aBisectOption[0]); i++){
        if( strncmp(g.argv[3], aBisectOption[i].zName, n)==0 ){
          char *z = mprintf("bisect-%s", aBisectOption[i].zName);
          if( g.argc==5 ){
            db_lset(z, g.argv[4]);
          }
          fossil_print("%s\n", db_lget(z, (char*)aBisectOption[i].zDefault));
          fossil_free(z);
          break;
        }
      }
      if( i>=sizeof(aBisectOption)/sizeof(aBisectOption[0]) ){
        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(