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If you installed Friendica in the path/to/friendica folder:
1. Unpack the new Friendica archive in path/to/friendica_new.
2. Copy config/local.config.php, photo/ and proxy/ from path/to/friendica to path/to/friendica_new.
3. Rename the path/to/friendica folder to path/to/friendica_old.
4. Rename the path/to/friendica_new folder to path/to/friendica.
5. Check your site. Note: it may go into maintenance mode to update the database schema.
6. If everything works, just delete the path/to/friendica_old folder.
To update Addons from an archive, simply delete the path/to/friendica/addon and replace it with the provided archive.
You can get the latest changes at any time with
cd path/to/friendica
git pull
bin/composer.phar install
The addon tree has to be updated separately like so:
cd path/to/friendica/addon
git pull
For both repositories:
The default branch to use is the master branch, which is the stable version of Friendica.
It is updated about four times a year on a fixed schedule.
If you want to use and test bleeding edge code please checkout the develop branch.
The new features and fixes will be merged from develop into master after a release candidate period before each release.
Warning: The develop branch is unstable, and breaks on average once a month for at most 24 hours until a patch is submitted and merged.
Be sure to pull frequently if you choose the develop branch.
Starting from MySQL version 5.7.4, the IGNORE keyword in ALTER TABLE statements is ignored. This prevents automatic table deduplication if a UNIQUE index is added to a Friendica table's structure. If a DB update fails for you while creating a UNIQUE index, make sure to manually deduplicate the table before trying the update again.
There are two main ways of doing it, either by manually removing the duplicates or by recreating the table.
Manually removing the duplicates is usually faster if they're not too numerous.
To manually remove the duplicates, you need to know the UNIQUE index columns available in database.sql.
SELECT GROUP_CONCAT(id), <index columns>, count(*) as count FROM users
GROUP BY <index columns> HAVING count >= 2;
/* delete or merge duplicate from above query */;
If there are too many rows to handle manually, you can create a new table with the same structure as the table with duplicates and insert the existing content with INSERT IGNORE.
To recreate the table you need to know the table structure available in database.sql.
CREATE TABLE <table_name>_new <rest of the CREATE TABLE>;
INSERT IGNORE INTO <table_name>_new SELECT * FROM <table_name>;
DROP TABLE <table_name>;
RENAME TABLE <table_name>_new TO <table_name>;
This method is slower overall, but it is better suited for large numbers of duplicates.