Try fixing git magic.

.releaser-ci.yml

@@ -38,9 +38,10 @@ push-to-public:
   only:
     - master
   script:
-    - git remote add public https://prime:${CI_PUSH_TOKEN}@gitlab.com/slon/shad-go.git
+    - git remote add -f public https://prime:${CI_PUSH_TOKEN}@gitlab.com/slon/shad-go.git
     - git config --global user.email 'prime@yandex-team.ru'
     - git config --global user.name 'Fedor Korotkiy'
     - git fetch public
+    - git branch -D public
     - git branch public public/master
     - testtool export --push