src/land/ArcanistGitLandEngine.php [812:840]:
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    if ($path->getLength()) {
      $cycle = $path->getCycle();
      if ($cycle) {
        $this->writeWarn(
          pht('LOCAL CYCLE'),
          pht(
            'Local branch tracks an upstream, but following it leads to a '.
            'local cycle; ignoring branch upstream.'));

        echo tsprintf(
          "\n    %s\n\n",
          implode(' -> ', $cycle));

      } else {
        if ($path->isConnectedToRemote()) {
          $onto = $path->getRemoteBranchName();
          $this->writeInfo(
            pht('TARGET'),
            pht(
              'Landing onto "%s", selected by following tracking branches '.
              'upstream to the closest remote.',
              $onto));
          return $onto;
        } else {
          $this->writeInfo(
            pht('NO PATH TO UPSTREAM'),
            pht(
              'Local branch tracks an upstream, but there is no path '.
              'to a remote; ignoring branch upstream.'));
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src/workflow/ArcanistStackWorkflow.php [435:463]:
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    if ($path->getLength()) {
      $cycle = $path->getCycle();
      if ($cycle) {
        $this->writeWarn(
          pht('LOCAL CYCLE'),
          pht(
            'Local branch tracks an upstream, but following it leads to a '.
            'local cycle; ignoring branch upstream.'));

        echo tsprintf(
          "\n    %s\n\n",
          implode(' -> ', $cycle));

      } else {
        if ($path->isConnectedToRemote()) {
          $onto = $path->getRemoteBranchName();
          $this->writeInfo(
            pht('TARGET'),
            pht(
              'Landing onto "%s", selected by following tracking branches '.
              'upstream to the closest remote.',
              $onto));
          return $onto;
        } else {
          $this->writeInfo(
            pht('NO PATH TO UPSTREAM'),
            pht(
              'Local branch tracks an upstream, but there is no path '.
              'to a remote; ignoring branch upstream.'));
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