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The idea here is to mirror the repository using crontab every minute.

• As you all know aboutFree Gitlab Mirror Support Ended on March 22 for external Repositories.
• Now in new premium update gitlab had stopped the mirroring of external repository making it's apremium feature, so this is a replication of that feature.

Just make sure you have self hosted server or local linux environment.

Also make sure you have Github and Gitlab ssh installed.

• Setcrontab -e

***** sh /path/to/mirror.sh>/dev/null2>&1

• Edit mirror.php and set appropriate git ssh config for repository on line number 19 and 22

• Now everything is in place, but because gitlab keeps it's own "special" branches in place, you might get these kinds of errors:

! [remote rejected] refs/keep-around/09c68d4f76f68041438040e3bb4316d5ca1d5135 -> refs/keep-around/09c68d4f76f68041438040e3bb4316d5ca1d5135 (deny updating a hidden ref)

• We need to filter those out of the branches wedo want to mirror. In order to do that we edit theconfig file again.

• We should replacefetch = +refs/*:refs/* which basically says, everything, and just selecttags,branches andhead

[remote"mirror"]    url = git@gitlab.external:reponame.git    push = +refs/heads/*:refs/heads/*    push = +refs/tags/*:refs/tags/*    mirror =true

• The public ssh key of www-data should have read and write access to source repository.
• If the SSH server is not trusted the connection will fail.
• To avoid non trusted connection to server, runssh -T git@gitlab.com andssh -T git@github.com at least once to get its fingerprint into the local SSH configuration or hosted server ssh configuration.

• More info on duplicating the repositoryDuplicating Repository

Pull requests are welcome. For major changes, please open an issue first to discuss what you would like to change.

MIT