Fix terraspace output to not add extra newlines

[tongueroo]

This is a 🐞 bug fix.

• I've added tests (if it's a bug, feature or enhancement)
• I've adjusted the documentation (if it's a feature or enhancement)
• The test suite passes (run bundle exec rspec to verify this)

Summary

When there's lots of output from terraform show, newlines are added between each stream chunk. This removes the "random" newlines and makes sure that output from terraspace show exactly matches terraform show.

Context

#126

How to Test

Find a stack that produces rather large output. Compare the terraspace show vs terraform show output. They should be exactly the same. Example:

$ terraspace show vpc --json > /tmp/a.json
Building .terraspace-cache/us-west-2/dev/stacks/vpc
Built in .terraspace-cache/us-west-2/dev/stacks/vpc
Current directory: .terraspace-cache/us-west-2/dev/stacks/vpc
=> terraform show -json
$ cd .terraspace-cache/us-west-2/dev/stacks/vpc ; terraform show -json > /tmp/b.json ; cd -
$ diff /tmp/a.json /tmp/b.json
$ 

Version Changes

Patch