CI: Fix prepare_environment caching to much

.gitlab-ci-template.yml

@@ -33,6 +33,7 @@ variables:
 .repo_checkout: &repo_checkout
     # setup build dir
     - cd ${CI_PROJECT_DIR}
+    - ls -al
     - ~/repo init -u ${MANIFEST_URL} -b ${CI_DEFAULT_BRANCH}
     - ~/repo sync --detach --current-branch --no-tags --force-remove-dirty --optimized-fetch --force-sync
 
@@ -57,6 +58,7 @@ prepare_environment:
     - *repo_install
     - *repo_checkout
     - *checkout_commit
+    - ls -al
     - *repo_tag
   artifacts:
     expire_in: 1d