Fossil

#endif
    }else{
      zHost = mprintf("%s", g.urlName);
    }
    n = blob_size(&zCmd);
    blob_append(&zCmd, " ", 1);
    shell_escape(&zCmd, zHost);
    if( g.urlShell ){
      blob_appendf(&zCmd, " %s", g.urlShell);
    }else{
#if defined(FOSSIL_ENABLE_SSH_FAR_SIDE)
      /* The following works.  But only if the fossil on the remote side
      ** is recent enough to support the test-ssh-far-side command.  That
      ** command was added on 2013-02-06.  We will leave this turned off
      ** until most fossil servers have upgraded to that version or a later
      ** version.  The sync will still work as long as the shell on the far
      ** side is bash and not tcsh.  And if the default far side shell is
      ** tcsh, then the shell=/bin/bash query parameter can be used as a
      ** work-around.  Enable this code after about a year...
      */
      blob_appendf(&zCmd, " exec %s test-ssh-far-side", g.urlFossil);
#endif
    }
    fossil_print("%s\n", blob_str(&zCmd)+n);  /* Show tail of SSH command */
    free(zHost);
    popen2(blob_str(&zCmd), &sshIn, &sshOut, &sshPid);
    if( sshPid==0 ){
      fossil_fatal("cannot start ssh tunnel using [%b]", &zCmd);
    }
    blob_reset(&zCmd);
    transport_ssh_startup();
  }
}

/*
** COMMAND: test-ssh-far-side
**
** Read lines of input text, one by one, and evaluate each line using
** system().  The ssh: sync protocol uses this on the far side of the
** SSH link.
*/
void test_ssh_far_side_cmd(void){
  int i = 0;
  int got;
  char zLine[5000];
  while( i<sizeof(zLine) ){
    got = read(0, zLine+i, 1);
    if( got==0 ) return;
    if( zLine[i]=='\n' ){
      zLine[i] = 0;
      system(zLine);
      i = 0;
    }else{
      i++;
    }
  }
}

/*
** Open a connection to the server.  The server is defined by the following
** global variables:
**
**   g.urlName        Name of the server.  Ex: www.fossil-scm.org
**   g.urlPort        TCP/IP port.  Ex: 80