[yocto] Fetch from git every bitbake

[Lukasz Zemla]

> I try AUTOREV in the recipe app_1.0.bb


> SRCREV := "${AUTOREV}"

> But it doesn't work.

> Which other variables could inhibit AUTOREV?

Could you share complete recipe, please?
I would give it a try:

SRCREV = "${AUTOREV}"

Best regards,
Lukasz Zemla