Nghia Tran 10a5bce5a0 engine.Tail() to ignore trailing whitespaces.
In its current form, if an error message has two trailing "\n" instead
of one, an empty line is resulted (see engine/job.go for an example of
such usages).

Skipping all trailing whitespaces will give a better error message.

Signed-off-by: Nghia Tran <nghia@google.com>
Upstream-commit: b422d8da8f1d1e51da6cfff4890e6a08252da7c5
Component: engine
2015-02-20 19:42:01 -08:00
S
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