Because the Git repository currently in use is about to become unavailable, the repository code needs to be migrated to a new Git repository. The specific procedure is as follows:

1. Log in to the new repository and create a repository.

After creation, the new repository address is: http://gitlab.your-new-domain.com/project.git

2. Clone the old repository as a mirror locally:

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git clone --mirror  http://gitlab.your-old-domain.com/project.git
# If you only need to clone Branches and Tags, you can use --bare instead of --mirror.
cd project.git

3. Push the mirror to the new repository

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git remote set-url --push origin http://gitlab.your-new-domain.com/project.git
git push --mirror

Tips:

Update all repositories in the current directory

fetch_all.sh

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for d in ./*/ ; do (cd "$d" && git fetch); done

Archive all repositories in the current directory

tar_all.sh

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ls |xargs -i  tar zcvf {}.tar.gz {}