Switch from mixed case to uppercase env vars

.github/workflows/ci.yml

@@ -55,7 +55,7 @@ jobs:
       - unit
     runs-on: ubuntu-latest
     env:
-      BEAKER_setfile: debian10-64
+      BEAKER_SETFILE: debian10-64
     strategy:
       fail-fast: false
       matrix:

README.md

@@ -36,7 +36,7 @@ require 'voxpupuli/acceptance/rake'
 It can then be invoked as:
 
 ```bash
-BEAKER_setfile=centos7-64 bundle exec rake beaker
+BEAKER_SETFILE=centos7-64 bundle exec rake beaker
 ```
 
 Other common environment variables:

lib/voxpupuli/acceptance/spec_helper_acceptance.rb

@@ -2,7 +2,7 @@
 
 def configure_beaker(modules: :metadata, &block)
   collection = ENV['BEAKER_PUPPET_COLLECTION'] || 'puppet'
-  ENV['BEAKER_debug'] ||= 'true'
+  ENV['BEAKER_DEBUG'] ||= 'true'
   ENV['BEAKER_HYPERVISOR'] ||= 'docker'
 
   # On Ruby 3 this doesn't appear to matter but on Ruby 2 beaker-hiera must be
@@ -13,7 +13,7 @@ def configure_beaker(modules: :metadata, &block)
 
   require_relative 'fixtures' if modules == :fixtures
 
-  unless ENV['BEAKER_provision'] == 'no'
+  unless ENV['BEAKER_PROVISION'] == 'no'
     block_on hosts, run_in_parallel: true do |host|
       BeakerPuppetHelpers::InstallUtils.install_puppet_release_repo_on(host, collection) unless collection == 'none'
       package_name = BeakerPuppetHelpers::InstallUtils.puppet_package_name(host)

spec/spec_helper_acceptance_spec.rb

@@ -3,7 +3,7 @@
 describe 'spec_helper_acceptance' do
   describe '#configure_beaker' do
     context 'without provisioning' do
-      before(:example) { ENV['BEAKER_provision'] = 'no' }
+      before(:example) { ENV['BEAKER_PROVISION'] = 'no' }
 
       it 'configures RSpec' do
         allow(RSpec).to receive(:configure)