Added github as mirror.

.gitlab-ci.yml

@@ -33,6 +33,16 @@ pre:bundle-audit:
     - bundle-audit update
     - bundle-audit
 
+pre:github:
+  stage: pre
+  script:
+    - git checkout $CI_BUILD_REF_NAME
+    - git pull --rebase origin $CI_BUILD_REF_NAME
+    - git filter-branch --force --index-filter "git rm --cached --ignore-unmatch './.gitlab-ci.yml'" --prune-empty --tag-name-filter cat -- $CI_BUILD_REF_NAME
+    - if git remote | grep github > /dev/null; then git remote rm github; fi
+    - git remote add github git@github.com:martini/zammad-test.git
+    - git push github $CI_BUILD_REF_NAME
+
 test:unit:mysql:
   stage: test
   tags: