Upgrade from Gogs

Gogs, version 0.9.146 and older, can be easily migrated to Gitea.

There are some basic steps to follow. On a Linux system run as the Gogs user:

Create a Gogs backup with gogs backup. This creates gogs-backup-[timestamp].zip file
containing all important Gogs data. You would need it if you wanted to move to the gogs back later.
Download the file matching the destination platform from the downloads page.
It should be 1.0.x version. Migrating from gogs to any other version is impossible.
Put the binary at the desired install location.
Copy gogs/custom/conf/app.ini to gitea/custom/conf/app.ini.
Copy custom templates, public from gogs/custom/ to gitea/custom/.
For any other custom folders, such as gitignore, label, license, locale, readme in
gogs/custom/conf, copy them to gitea/custom/options.
Copy gogs/data/ to gitea/data/. It contains issue attachments and avatars.
Verify by starting Gitea with gitea web.
Enter Gitea admin panel on the UI, run Rewrite '.ssh/authorized_keys' file.
Launch every major version of the binary ( 1.1.4 → 1.2.3 → 1.3.4 → 1.4.2 → etc ) to migrate database.
If custom or config path was changed, run Rewrite all update hook of repositories.

Change gogs specific information

Rename gogs-repositories/ to gitea-repositories/
Rename gogs-data/ to gitea-data/

In gitea/custom/conf/app.ini change:

FROM:

[database]
PATH = /home/:USER/gogs/data/:DATABASE.db
[attachment]
PATH = /home/:USER/gogs-data/attachments
[picture]
AVATAR_UPLOAD_PATH = /home/:USER/gogs-data/avatars
[log]
ROOT_PATH = /home/:USER/gogs/log

TO:

[database]
PATH = /home/:USER/gitea/data/:DATABASE.db
[attachment]
PATH = /home/:USER/gitea-data/attachments
[picture]
AVATAR_UPLOAD_PATH = /home/:USER/gitea-data/avatars
[log]
ROOT_PATH = /home/:USER/gitea/log

Verify by starting Gitea with gitea web

Upgrading to most recent `gitea` version

After successful migration from gogs to gitea 1.0.x, it is possible to upgrade gitea to a modern version
in a two steps process.

Upgrade to gitea 1.6.4 first. Download the file matching
the destination platform from the downloads page and replace the binary.
Run Gitea at least once and check that everything works as expected.

Then repeat the procedure, but this time using the [lastest release](https://dl.gitea.io/gitea/{{< version >}}/).

Upgrading from a more recent version of Gogs

Upgrading from a more recent version of Gogs is also possible, but requires a bit more work.
See #4286.

Troubleshooting

If errors are encountered relating to custom templates in the gitea/custom/templates
folder, try moving the templates causing the errors away one by one. They may not be
compatible with Gitea or an update.

Add Gitea to startup on Unix

Update the appropriate file from gitea/contrib
with the right environment variables.

For distros with systemd:

Copy the updated script to /etc/systemd/system/gitea.service
Add the service to the startup with: sudo systemctl enable gitea
Disable old gogs startup script: sudo systemctl disable gogs

For distros with SysVinit:

Copy the updated script to /etc/init.d/gitea
Add the service to the startup with: sudo rc-update add gitea
Disable old gogs startup script: sudo rc-update del gogs

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