ci: fix diffcov

FFY00 · FFY00 · commit 7c2164b5857d · 2020-10-24T22:36:26.000+01:00
Signed-off-by: Filipe Laíns &lt;lains@archlinux.org&gt;
diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
@@ -75,6 +75,8 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v2
+        with:
+          fetch-depth: 0
       - name: Setup Python
         uses: actions/setup-python@v2
         with:
