From e540d3f7b8a907d34ade77446951a02abede79ea Mon Sep 17 00:00:00 2001
From: erlingrj <erling.jellum@gmail.com>
Date: Tue, 21 May 2024 21:52:32 +0200
Subject: [PATCH] Coverage comparison to main

---
 .github/workflows/ci.yml | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index d496d535..031657f9 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -22,9 +22,18 @@ jobs:
           cmake -Bbuild && cd build
           cmake --build .
           make test
+      - make: Run tests on main for coverage comparison
+        run: |
+          git checkout main
+          cmake -Bbuild-old && cd build-old
+          cmake --build .
+          make test
+        if:  ${{ github.event_name == 'pull_request' }}
       - name: Coverage
         uses: romeovs/lcov-reporter-action@v0.2.16
         with:
           lcov-file: build/coverage.info
+          lcov-base: build-old/coverage.info
+          delete-old-comments: true
           github-token: ${{ secrets.GITHUB_TOKEN }}
         if:  ${{ github.event_name == 'pull_request' }}
\ No newline at end of file