Doug Davis 52da2e9683 Fix RUN err msg (again) ...

Previous fix used %q which incorrectly go-escaped things. For example:

```
RUN echoo A \& B	C
```
would result in the user seeing:
```
INFO[0000] The command '/bin/sh -c echoo A \\& B\tC' returned a non-zero code: 127
```
Note the double-\ and the \t instead of a tab character

The testcase had to double escape things due to logrus getting in the way
but I'm going to fix that in another PR because its a change to the UX.

Signed-off-by: Doug Davis <dug@us.ibm.com>
Upstream-commit: 006c066b6ce0b8b16f7d68b0ef997717bfb35662
Component: engine

2015-05-09 09:22:30 -07:00

components/engine

Fix RUN err msg (again)

2015-05-09 09:22:30 -07:00

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