Mahmood Ali 638434ae53 nomad exec: check stdout for tty as well ...

When inferring whether to use TTY, check both stdin and stdout are
terminals.

Otherwise, we get failures like the following:

```
$ nomad alloc exec --job example echo hi
hi
$ echo | nomad alloc exec --job example echo hi
hi
$ nomad alloc exec --job example echo hi | head -n1
failed to exec into task: not a terminal
```

2019-11-12 11:39:06 -05:00

8.7 KiB

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