Fossil

#if !defined(_WIN32)
  if( getuid()==0 ){
    int i;
    struct stat sStat;
    Blob dir;
    char *zDir;

    file_canonical_name(zRepo, &dir, 0);
    zDir = blob_str(&dir);
    if( file_isdir(zDir)==1 ){
      if( chdir(zDir) || chroot(zDir) || chdir("/") ){
        fossil_fatal("unable to chroot into %s", zDir);
      }
      zRepo = "/";
    }else{

          zAltRepo += jj+1;
        }else{
          zUser = "nobody";
        }
        if( g.zLogin==0 ) zUser = "nobody";
        if( zAltRepo[0]!='/' ){
          zAltRepo = mprintf("%s/../%s", g.zRepositoryName, zAltRepo);
          file_simplify_name(zAltRepo, -1, 0);
        }
        db_close(1);
        db_open_repository(zAltRepo);
        login_as_user(zUser);
        g.perm.Password = 0;
        zPath += i;
        nHost = g.zTop - g.zBaseURL;

** is disallowed.
*/
static void find_server_repository(int disallowDir){
  if( g.argc<3 ){
    db_must_be_within_tree();
  }else if( !disallowDir && file_isdir(g.argv[2])==1 ){
    g.zRepositoryName = mprintf("%s", g.argv[2]);
    file_simplify_name(g.zRepositoryName, -1, 0);
  }else{
    db_open_repository(g.argv[2]);
  }
}

/*
** undocumented format: