blob_zero(pReply);
  }else{
    blob_read_from_file(pReply, zDownlink, ExtFILE);
    file_delete(zDownlink);
  }
  return rc;
}

/* If iTruth<0 then guess as to whether or not a PATH= argument is required
** when using ssh to run fossil on a remote machine name zHostname.
**
** If iTruth is 1 or 0 then that means that the PATH= is or is not required,
** respectively.  Record this fact for future reference.
*/
int ssh_needs_path_argument(const char *zHostname, int iTruth){
  int ans = 0;  /* Default to "no" */
  char *z = mprintf("use-path-for-ssh:%s", zHostname);
  if( iTruth<0 ){
    if( db_get_boolean(z/*works-like:"x"*/, 0) ) ans = 1;
  }else if( iTruth ){
    ans = 1;
    db_set(z/*works-like:"x"*/, "1", 0);
  }else{
    db_unset(z/*works-like:"x"*/, 0);
  }
  fossil_free(z);
  return ans;
}

/* Add an approprate PATH= argument to the SSH command under construction
** in pCmd.
*/
void ssh_add_path_argument(Blob *pCmd){
  blob_append_escaped_arg(pCmd, 
     "PATH=$HOME/bin:/usr/local/bin:/opt/homebrew/bin:$PATH", 1);
}

/*
** Sign the content in pSend, compress it, and send it to the server
** via HTTP or HTTPS.  Get a reply, uncompress the reply, and store the reply
** in pRecv.  pRecv is assumed to be uninitialized when
** this routine is called - this routine will initialize it.
**

    /* Handle the --transport-command option for "fossil sync" and similar */
    return http_exchange_external(pSend,pReply,mHttpFlags,zAltMimetype);
  }

  /* Activate the PATH= auxiliary argument to the ssh command if that
  ** is called for.
  */
  if( g.url.isSsh
   && (g.url.flags & URL_SSH_RETRY)==0
   && ssh_needs_path_argument(g.url.hostname, -1)

  ){
    g.url.flags |= URL_SSH_PATH;


  }

  if( transport_open(&g.url) ){
    fossil_warning("%s", transport_errmsg(&g.url));
    return 1;
  }

        "Retrying %s the PATH= argument.\n",
        g.url.hostname,
        (g.url.flags & URL_SSH_PATH)!=0 ? "without" : "with"
      );
      g.url.flags ^= URL_SSH_PATH|URL_SSH_RETRY;
      rc = http_exchange(pSend,pReply,mHttpFlags,0,zAltMimetype);
      if( rc==0 ){
        (void)ssh_needs_path_argument(g.url.hostname,
                                (g.url.flags & URL_SSH_PATH)!=0);





      }
      return rc;
    }else{
      /* The problem could not be corrected by retrying.  Report the
      ** the error. */
      if( g.url.isSsh && !g.fSshTrace ){
        fossil_warning("server did not reply: "

  ){
    fossil_fatal("the ssh:// URL is asking to run an unsafe command [%s] on "
                 "the server.", pUrlData->fossil);
  }
  if( (pUrlData->flags & URL_SSH_EXE)==0
   && (pUrlData->flags & URL_SSH_PATH)!=0 
  ){
    ssh_add_path_argument(&zCmd);



  }
  blob_append_escaped_arg(&zCmd, pUrlData->fossil, 1);
  blob_append(&zCmd, " test-http", 10);
  if( pUrlData->path && pUrlData->path[0] ){
    blob_append_escaped_arg(&zCmd, pUrlData->path, 1);
  }else{
    fossil_fatal("ssh:// URI does not specify a path to the repository");

    Blob remote;
    *(char*)(zDir-1) = 0;
    transport_ssh_command(&cmd);
    blob_appendf(&cmd, " -T");
    blob_append_escaped_arg(&cmd, zRemote, 0);
    blob_init(&remote, 0, 0);
    if( zFossilCmd==0 ){
      ssh_add_path_argument(&cmd);



      zFossilCmd = "fossil";
    }
    blob_appendf(&remote, "%$ patch %s%s --dir64 %z -",
                 zFossilCmd, zRemoteCmd, zForce, encode64(zDir, -1));
    blob_append_escaped_arg(&cmd, blob_str(&remote), 0);
    blob_reset(&remote);
  }