From 340dce24f3b96c07d70fae3e9940a7cb86aa1937 Mon Sep 17 00:00:00 2001
From: Benjamin Quorning <benjamin@quorning.net>
Date: Sun, 19 May 2024 16:42:35 +0200
Subject: [PATCH] CI: Test with oldest allowed version of RuboCop

---
 .github/workflows/main.yml | 20 ++++++++++++++++++++
 rubocop-rspec.gemspec      |  2 +-
 2 files changed, 21 insertions(+), 1 deletion(-)

diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 06093c254..11cf67bf4 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -70,6 +70,26 @@ jobs:
       - name: Use latest RuboCop from `master`
         run: |
           echo "gem 'rubocop', github: 'rubocop/rubocop'" > Gemfile.local
+          cat Gemfile.local
+      - uses: ruby/setup-ruby@v1
+        with:
+          ruby-version: "3.3"
+          bundler-cache: true
+      - run: NO_COVERAGE=true bundle exec rake ${{ matrix.task }}
+
+  oldest-rubocop:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        task:
+          - spec
+    name: "Oldest RuboCop: ${{ matrix.task }}"
+    steps:
+      - uses: actions/checkout@v4
+      - name: Use oldest RuboCop allowed by gemspec
+        run: |
+          sed -nr "s/spec.add_dependency 'rubocop', '~> ([0-9\.]+)'/gem 'rubocop', '= \1'/p" rubocop-rspec.gemspec > Gemfile.local
+          cat Gemfile.local
       - uses: ruby/setup-ruby@v1
         with:
           ruby-version: "3.3"
diff --git a/rubocop-rspec.gemspec b/rubocop-rspec.gemspec
index 1a3b64f94..9c52b6a36 100644
--- a/rubocop-rspec.gemspec
+++ b/rubocop-rspec.gemspec
@@ -37,5 +37,5 @@ Gem::Specification.new do |spec|
     'rubygems_mfa_required' => 'true'
   }
 
-  spec.add_runtime_dependency 'rubocop', '~> 1.40'
+  spec.add_dependency 'rubocop', '~> 1.40'
 end