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Add documentation for pushmirror via SSH

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- Refs: forgejo/forgejo#4819
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Gusted 2024-08-10 09:04:09 +02:00 committed by Earl Warren
parent 64fe34712f
commit 0fe4007f5c
3 changed files with 15 additions and 11 deletions
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docs/user/repo-mirror.md
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@ -4,8 +4,6 @@ license: 'Apache-2.0'
origin_url: 'https://github.com/go-gitea/gitea/blob/e865de1e9d65dc09797d165a51c8e705d2a86030/docs/content/usage/repo-mirror.en-us.md'
---
# Repository Mirror
Repository mirroring allows for the mirroring of repositories to and from external sources. You can use it to mirror branches, tags, and commits between repositories.
## Use cases
@ -78,15 +76,21 @@ To set up a mirror from Forgejo to Bitbucket, you need to follow these steps:
The repository pushes shortly thereafter. To force a push, select the **Synchronize Now** button.
### Mirror an existing ssh repository
### Mirror via SSH
Currently Forgejo supports no ssh push mirrors. You can work around this by adding a `post-receive` hook to your Forgejo repository that pushes manually.
Forgejo supports the use of SSH as an authentication method for push mirrors.
You can enable this when adding a new push mirror, existing push mirrors cannot be configured to use SSH.
This feature is only available if Forgejo is able to find the `ssh` executable.
1. Make sure the user running Forgejo has access to the git repo you are trying to mirror to from shell.
2. On the web interface at the repository settings > git hooks add a post-receive hook for the mirror. I.e.
To use SSH as authentication method, select the **Use SSH authentication** option in the authorization tab when adding a new push mirror.
Make sure to not fill in the **Username** or **Password** input.
Forgejo generates an Ed25519 SSH key pair and saves it for you.
```
#!/usr/bin/env bash
git push --mirror --quiet git@github.com:username/repository.git &>/dev/null &
echo "GitHub mirror initiated .."
```
![The mirror settings is being shown and the SSH checkbox is ticked](../_images/user/repo-mirror/ssh_option.png)
After adding the push mirror, you can click the **Copy public key** link to copy the public key to your clipboard.
![The push mirror entry is shown](../_images/user/repo-mirror/push_mirror_with_ssh.png)
This public key can then be added as a deploy key on the target repository, how to add one varies by platform but generally it should be an option in the repository's settings.
After adding the public key as the deploy key, you can go back to Forgejo and click the **Syncronize now** button and see that it works.