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38 lines
1.5 KiB
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===============
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Version Control
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===============
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ownCloud supports simple version control system for files. Versioning creates
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backups of files which are accessible via the Versions link. This link contains
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the history of the file where you can roll back a file to any previous version.
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Changes made at intervals greater than two minutes are saved in
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data/[user]/versions.
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To restore a specific version of a file, hover your cursor over a file and click
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the *Versions* link. If any version is available, you should see a list like
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the image below:
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.. figure:: ../images/files_versioning.png
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Clicking on *Restore* next to any version will revert the file to that
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version back.
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The versioning app expires old versions automatically to make sure that
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the user doesn't run out of space. This pattern is used to delete
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old versions:
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* For the first second we keep one version
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* For the first 10 seconds ownCloud keeps one version every 2 seconds
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* For the first minute ownCloud keeps one version every 10 seconds
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* For the first hour ownCloud keeps one version every minute
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* For the first 24 hours ownCloud keeps one version every hour
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* For the first 30 days ownCloud keeps one version every day
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* After the first 30 days ownCloud keeps one version every week
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The versions are adjusted along this pattern every time a new version gets
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created.
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The version app never uses more that 50% of the user's currently available free
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space. If the stored versions exceed this limit, ownCloud deletes the oldest
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versions until it meets the disk space limit again.
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