release:
  stage: release
  tags:
    - some_runner
  script:
    - git config --global user.email "name@mail.com"
    - git config --global user.name "usename"
    - mvn release:prepare -Dpassword=$SECRET -Duser=$USER -DscmCommentPrefix="[ci skip]"
    - mvn release:perform
  only:
    - master

[ERROR] Failed to execute goal org.apache.maven.plugins:maven-release-plugin:2.3.2:prepare (default-cli) on prosome_project: Unable to tag SCM
[ERROR] Provider message:
[ERROR] The git-push command failed.
[ERROR] Command output:
[ERROR] Host key verification failed.
[ERROR] fatal: Could not read from remote repository.
[ERROR]
[ERROR] Please make sure you have the correct access rights
[ERROR] and the repository exists.
[ERROR]
[ERROR] -> [Help 1]
[ERROR]
[ERROR] To see the full stack trace of the errors, re-run Maven with the -e switch.
[ERROR] Re-run Maven using the -X switch to enable full debug logging.
[ERROR]
[ERROR] For more information about the errors and possible solutions, please read the following articles:
[ERROR] [Help 1] http://cwiki.apache.org/confluence/display/MAVEN/MojoFailureException