linux-sunxi/meta-sunxi — pull request #13 by KristofRobot (2013-12-14 19:30:40+00:00)
Title: sdcard_image-sunxi.bbclass: fixed .xz check

.xz check was relying on a bash check that was not working, returning "]] : not found" error.
Replaced that check with an sh-compatible check, from https://github.com/djwillis/meta-raspberrypi/blob/master/classes/sdcard_image-rpi.bbclass