ci: Enable branch-coverage

.github/workflows/test.yml

@@ -34,6 +34,11 @@ jobs:
       - uses: actions/checkout@v2
       - name: bundle install
         run: bundle install -j$(nproc) --retry 3
+      - name: install simplecov-fork only for minitest with coverage
+        run: |
+          gem install specific_install
+          gem specific_install https://github.com/exoego/simplecov.git branch-fix
+        if: matrix.coverage == 'coverage'
       - run: bundle exec rspec
         timeout-minutes: 1
       - name: Upload coverage reports

.simplecov_spawn.rb

@@ -9,6 +9,7 @@
     SimpleCov::Formatter::CoberturaFormatter,
   ])
   SimpleCov.start do
+    enable_coverage :branch
     add_filter '/spec/'
     add_filter '/scripts/'
   end

Gemfile

@@ -10,7 +10,7 @@ gem 'roda'
 gem 'rspec-rails'
 
 group :test do
-  gem 'simplecov'
+  gem 'simplecov', git: 'https://github.com/exoego/simplecov.git', branch: 'branch-fix'
   gem 'simplecov-cobertura'
   gem 'super_diff'
 end

scripts/rspec_with_simplecov

@@ -36,8 +36,7 @@ begin
     require 'simplecov'
 
     SimpleCov.start do
-      # Flaky :(
-      # enable_coverage :branch
+      enable_coverage :branch
     end
   end
 rescue LoadError