telco5g: Fix origin tests for 4.15 and 4.14 branches (#44503)

ci-operator/step-registry/telco5g/origin/tests/telco5g-origin-tests-commands.sh

@@ -23,9 +23,7 @@ SSH_PKEY=~/key
 cp "$SSH_PKEY_PATH" "$SSH_PKEY"
 chmod 600 "$SSH_PKEY"
 
-if [[ "$T5CI_VERSION" == "4.14" ]]; then
-    export CNF_BRANCH="master"
-elif [[ "$T5CI_VERSION" == "4.15" ]]; then
+if [[ "$T5CI_VERSION" == "4.15" ]]; then
     export CNF_BRANCH="master"
 else
     export CNF_BRANCH="release-${T5CI_VERSION}"
@@ -37,6 +35,13 @@ cd "$cnf_dir" || exit 1
 echo "running on branch ${CNF_BRANCH}"
 git clone -b "${CNF_BRANCH}" "${CNF_REPO}" cnf-features-deploy
 cd cnf-features-deploy
+if [[ "$T5CI_VERSION" == "4.15" ]]; then
+    echo "Updating all submodules for >=4.15 versions"
+    # git version 1.8 doesn't work well with forked repositories, requires a specific branch to be set
+    sed -i "s@https://github.com/openshift/metallb-operator.git@https://github.com/openshift/metallb-operator.git\n        branch = main@" .gitmodules
+    git submodule update --init --force --recursive --remote
+    git submodule foreach --recursive 'echo $path `git config --get remote.origin.url` `git rev-parse HEAD`' | grep -v Entering > ${ARTIFACT_DIR}/hashes.txt || true
+fi
 oc patch OperatorHub cluster --type json -p '[{"op": "add", "path": "/spec/disableAllDefaultSources", "value": true}]'
 
 FEATURES_ENVIRONMENT="ci" make feature-deploy-on-ci 2>&1 | tee "${SHARED_DIR}/cnf-tests-run.log"