Support for XZ file compression

[KnightAR]

XZ allows database dumps to be compressed way better then gzip or bz2. Can support be added for XZ?

[sebastianfeldmann]

This is a great idea, I have a prototype working on my laptop. I'm currently out snowboarding but I will integrate it right when I'm back at home with some proper internet connection ;)

[sebastianfeldmann]

I added support for zx compression, currently only available in dev-master.

You can use it with something like

<target ... compress="xz" />

For tar commands the J option is used for simple file compression the xz binary is executed directly.

[sebastianfeldmann]

Will be released with version 5.0.0