trim inspect_or_interpolate/1 strings

CHANGELOG.md

@@ -6,6 +6,14 @@ The format is based on [Keep a
 Changelog](https://keepachangelog.com/en/1.0.0/), and this project adheres to
 [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## 0.6.2 - 2021-03-17
+
+### Fixed
+
+- Trimmed strings in the `inspect_or_interpolate/1` helper
+    - this prevents formatting failures when a template does not expect a
+      newline and a manifest declares a value with triple-quotes
+
 ## 0.6.1 - 2021-03-08
 
 ### Fixed

lib/harness/renderer/helpers.ex

@@ -19,6 +19,6 @@ defmodule Harness.Renderer.Helpers do
   If the item is a binary, it is interpolated. Else, it is inspected with
   `Kernel.inspect/2` and then interpolated.
   """
-  def inspect_or_interpolate(item) when is_binary(item), do: item
+  def inspect_or_interpolate(item) when is_binary(item), do: String.trim(item)
   def inspect_or_interpolate(item), do: Kernel.inspect(item, limit: :infinity)
 end