Git mirror

This is a short script for mirroring a set of repositories to a different location together with all branches tags and commit history.

For example:

https://github.com/user/repo1.git ==> https://github.com/new_location/clone1.git
https://github.com/user/repo2.git ==> https://github.com/new_location/clone2.git
https://github.com/user/repo3.git ==> https://github.com/new_location/clone3.git

Usage

Download the repository git clone https://github.com/Norgul/git-mirror.git and then enter the repository cd git-mirror.

Note: running any of commands will create a new git-mirror folder at your home directory which will hold bare repositories. Once cloned, they won't be re-downloaded, just updated on each command run.

Single repository transfer

Simply run ./git-mirror.sh PRIMARY SECONDARY where PRIMARY is the ful URL to original, main repository. SECONDARY is the clone repository which will be overwritten with data from PRIMARY repo.

Multiple repository transfer

In order to mirror multiple repositories, you need to create the repos.txt (or which ever name you'd like to use) file with a pair of space separated repositories, each pair in new line. Repositories should be full URL to the repository.

For example:

https://...repo1.git https://...clone1.git
https://...repo2.git https://...clone2.git
https://...repo3.git https://...clone3.git

Once the file is full, simply run ./repo-mirror.sh /location/to/repos.txt, and rest will be done automatically.

Continuous mirroring

You can continuously mirror your set of repositories (or just a single one) by setting up a cron job which will run the script periodically.

For that to work without user prompt you will need to set passwordless ssh access.

First generate SSH key with no password with ssh-keygen -t rsa -C "mail@somewhere.com" and hit enter twice when it asks for password without entering anything.

After that go and enter SSH key to both of your repos and copy the .pub from key.

Once that is done you need to add a config file in .ssh folder:

# ~/.ssh/config
Host *hostname*
    Hostname *hostname*
    User git
    IdentityFile ~/.ssh/*your passwordless ssh key (id_rsa if you used default)*

Test the config by doing:

git clone git@your.hostname.com:username/reponame.git

If this is successful, you should be okay.

Note If you are using 2 different hosts, you will have to make 2 entries in SSH config file.