Update .gitlab-ci.yml for enforcing README file

.gitlab-ci.yml

@@ -18,3 +18,22 @@ push_to_github:
         - bash -c "cat packed-refs | grep -v 'refs/pull' > packed-refs-new; echo 'Removed pull refs.'"
         - mv packed-refs-new packed-refs
         - bash -c "git push --force --mirror github 2>&1 | grep -v duniter-gitlab; echo $?"
+
+enforce_readme:
+    stage: github-sync
+    variables:
+        GIT_STRATEGY: none
+    tags:
+      - github
+    script:
+      - rm -rf ./*
+      - rm -rf .git
+      - git clone $GITHUB_URL_AND_KEY .
+      - git config --global user.email "contact@duniter.org"
+      - git config --global user.name "Duniter"
+      - git checkout master
+      - cat .github/github_disclaimer.md > README.md.new
+      - cat README.md >> README.md.new
+      - mv README.md.new README.md
+      - git commit -am "Enforce github readme"
+      - git push origin master