Migrate repo from GitLab to GitHub Full blog post @ http://ruby.zigzo.com/2015/03/23/moving-from-gitlab-to-github/

migrate_repo.sh

REPO_NAME=website
FROM=git@gitlab.com:quave/$REPO_NAME.git
TO=git@github.com:quavedev/$REPO_NAME.git

# Assume we are in your home directory
cd ~/

# Clone the repo from GitLab using the `--mirror` option
git clone --mirror $FROM

# Change into newly created repo directory
cd ~/$REPO_NAME.git

# Push to GitHub using the `--mirror` option.  The `--no-verify` option skips any hooks.
git push --no-verify --mirror $TO

# Set push URL to the mirror location
git remote set-url --push origin $TO

# To periodically update the repo on GitHub with what you have in GitLab
git fetch -p origin
git push --no-verify --mirror