[github] How to move git repository with all branches from bitbucket to github?

You can refer to the GitHub page "Duplicating a repository"

It uses:

That would give:

git clone --mirror https://bitbucket.org/exampleuser/repository-to-mirror.git
# Make a bare mirrored clone of the repository

cd repository-to-mirror.git
git remote set-url --push origin https://github.com/exampleuser/mirrored
# Set the push location to your mirror

git push --mirror

As Noted in the comments by L S: