Copy GitLab main branch code to GitHub DEV branch || replace GitLab main branch with GitHub DEV branch

 Step:1 Clone GitLab Repository

• If you haven't already, clone your GitLab repository to your local machine.

            git clone <GitLab_Repository_URL>

Step:2 Add GitHub Repository as a Remote

• Add the GitHub repository as a remote to your local GitLab repository.

            git remote add github <GitHub_Repository_URL>

Step:3 Fetch the GitHub DEV Branch

• Fetch the main branch from the GitHub repository.

            git fetch github DEV

Step:4  Reset GitLab Main Branch

• Reset the GitLab main branch to match the GitHub DEV branch.
• Checkout to main if you are currently not in main branch in your locally,then run below command

            git reset --hard github/DEV

Step:5 Force Push to GitLab

• Force-push the updated main branch to the GitLab repository.
• Warning: Be cautious with force-push, as it overwrites the branch on the remote repository. Make sure you have backups and that no one else is working on the same branch.

            git push -f origin main

If you have any doubt ,any question you can ask me......!