fix: CI: try to fix issue git repository

.github/workflows/pytest.yml

@@ -21,6 +21,28 @@ jobs:
       image: ${{ matrix.image }}
 
     steps:
+      - name: "Enable EPEL repository"
+        run: |
+          yum -y install epel-release
+
+      - name: "Install core packages"
+        run: |
+          yum install -y \
+            git-core gcc make python python-devel python-setuptools python-pip
+
+      # We need to initiate the repository manually because Actions fallback
+      # to REST API with Git < 2.18; CentOS 7/RHEL 7 have 1.8.
+      # See https://github.com/actions/checkout#checkout-v3
+      # See https://github.com/actions/checkout/issues/766
+      - name: "Initiate new git repository"
+        run: |
+          git config --global user.email "[email protected]"
+          git config --global user.name "RHSM for RHEL 7 at GitHub Actions"
+          git init
+          git add .
+          git commit -m "Detached commit"
+          git config --global --add safe.directory '*'
+
       - name: "Checkout repository"
         uses: actions/checkout@v3
 

scripts/container-pre-test.sh

@@ -1,11 +1,5 @@
 #!/bin/bash
 
-yum install -y epel-release
-
-# Install essential packages
-yum install -y \
-  git gcc make python python-devel python-setuptools python-pip
-
 # Install system, build and runtime packages
 yum install -y \
   gtk3-devel python-ethtool \