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feat: support WORLD files in compressed tar format (#1297)

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Geoff Bourne
2022-01-23 22:19:25 -06:00
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commit 18d8aba20f
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README.md
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@@ -829,23 +829,19 @@ before unpacking new content from the MODPACK or MODS.
### Downloadable world
Instead of mounting the `/data` volume, you can instead specify the URL of a ZIP file containing an archived world. It will be searched for a file `level.dat` and the containing subdirectory moved to the directory named by `$LEVEL`. This means that most of the archived Minecraft worlds downloadable from the Internet will already be in the correct format.
Instead of mounting the `/data` volume, you can instead specify the URL of a ZIP or compressed TAR file containing an archived world. It will be searched for a file `level.dat` and the containing subdirectory moved to the directory named by `$LEVEL`. This means that most of the archived Minecraft worlds downloadable from the Internet will already be in the correct format.
docker run -d -e WORLD=http://www.example.com/worlds/MySave.zip ...
**NOTE:** This URL must be accessible from inside the container. Therefore,
you should use an IP address or a globally resolvable FQDN, or else the
name of a linked container.
**NOTE:** This URL must be accessible from inside the container. Therefore, you should use an IP address or a globally resolvable FQDN, or else the name of a linked container.
**NOTE:** If the archive contains more than one `level.dat`, then the one to select can be picked with `WORLD_INDEX`, which defaults to 1.
### Cloning world from a container path
The `WORLD` option can also be used to reference a directory or zip file that will be used as a source to clone or unzip the world directory.
The `WORLD` option can also be used to reference a directory, zip file, or compressed tar file that will be used as a source to clone or extract the world directory.
For example, the following would initially clone the world's content
from `/worlds/basic`. Also notice in the example that you can use a
read-only volume attachment to ensure the clone source remains pristine.
For example, the following would initially clone the world's content from `/worlds/basic`. Also notice in the example that you should use a read-only volume attachment to ensure the clone source remains pristine.
```
docker run ... -v $HOME/worlds:/worlds:ro -e WORLD=/worlds/basic