allow flexibility in console width

Author: ianfixes

CHANGELOG.md

@@ -28,6 +28,7 @@ and this project adheres to [Semantic Versioning](http://semver.org/).
 - Run tests on push as well as on a pull request so developers can see impact
 - `ArduinoBackend` now exposes `config_file_path` instead of `config_dir` so that we can be explicit about [strange behavior in `arduino-cli` that isn't going to change anytime soon](https://github.com/arduino/arduino-cli/issues/753)
 - Use `arduino-cli` version `0.29.0` as the backend
+- Test runner detects console width if possible, allowing variable width from 80-132 chars
 
 ### Deprecated
 

exe/arduino_ci.rb

@@ -3,8 +3,14 @@
 require 'set'
 require 'pathname'
 require 'optparse'
+require 'io/console'
 
-WIDTH = 80
+# be flexible between 80 and 132 cols of output
+WIDTH = begin
+  [132, [80, IO::console.winsize[1] - 2].max].min
+rescue NoMethodError
+  80
+end
 VAR_CUSTOM_INIT_SCRIPT = "CUSTOM_INIT_SCRIPT".freeze
 VAR_USE_SUBDIR         = "USE_SUBDIR".freeze
 VAR_EXPECT_EXAMPLES    = "EXPECT_EXAMPLES".freeze