Fix update-from-upstream CI target

- if [ -d "/srv/userscripts" ]; then cp -R userscripts/* /srv/userscripts ; fi

- 'which ssh-agent || ( apt-get update -y && apt-get install openssh-client -y )'

- eval $(ssh-agent -s)

- echo "$SSH_PRIVATE_KEY" | tr -d '\r' | ssh-add - > /dev/null

- echo "$SSH_PRIVATE_KEY_ENV" | tr -d '\r' | ssh-add - > /dev/null

- mkdir -p ~/.ssh

- chmod 700 ~/.ssh

- echo "$SSH_KNOWN_HOSTS" > ~/.ssh/known_hosts

- echo "$SSH_KNOWN_HOSTS_ENV" > ~/.ssh/known_hosts

- chmod 644 ~/.ssh/known_hosts

- export GRADLE_USER_HOME=$(pwd)/.gradle

- chmod +x ./gradlew

    CI_PROJECT_SSH_URL: git@gitlab.e.foundation:$CI_PROJECT_PATH

    GIT_STRATEGY: none

  before_script:

    - 'command -v ssh-agent >/dev/null || ( apt update -y && apt install openssh-client -y )'

    - 'command -v ssh-agent >/dev/null || ( apt-get update -y && apt-get install openssh-client -y )'

    - eval $(ssh-agent -s)

    - echo "${SSH_E_ROBOT_PRIVATE_KEY}" | tr -d '\r' | ssh-add -

    - mkdir -p ~/.ssh

  script:

# update $UPSTREAM_BRANCH & tags

    - git fetch origin

    - git checkout $UPSTREAM_BRANCH

    - git checkout $LOCAL_BRANCH

    - git remote add upstream $UPSTREAM_URL

    - git fetch upstream

    - git pull upstream $UPSTREAM_DEFAULT_BRANCH

    - git push origin $UPSTREAM_BRANCH

    - git push origin --tags

# checkout to latest tag commit to $TEMP_LATEST_TAG_BRANCH

    - git checkout $(git describe --tags --abbrev=0)

    - git checkout -b $TEMP_LATEST_TAG_BRANCH

  variables:

    LOCAL_BRANCH: master

    UPSTREAM_BRANCH: upstream/master

    UPSTREAM_DEFAULT_BRANCH: main

    UPSTREAM_DEFAULT_BRANCH: master

    UPSTREAM_URL: https://github.com/microg/GmsCore.git

    TEMP_LATEST_TAG_BRANCH: latest_upstream_tag_branch