Keith Walters 215ef38ee9 Fix installed? check for gem resource ...

The gem resource used to determine if a gem is installed based on the exit
status of the `gem` command, however that command will return zero
if the package was found or not. This patch checks to ensure that the
`gem list` command actually includes the gem name or is empty to
determine if the gem is in fact installed.

If the gem command returns something other than a `0` exit code, then
it'll skip the resource.

Signed-off-by: Keith Walters <keith.walters@cattywamp.us>

2017-05-22 15:34:01 -05:00

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