Yocto version control

Question

We are struggling for version control of our application ,RFS, Uboot and kernel

We have a hello world program. Every time we are changing (patching) new functionality to the program, we have to keep a track on changes with help of version no. We need the version no of this (hello world package) should be auto incremented. Same we have to do with Linux and uboot.

Does yocto can do this for us? Or do we have any other option to achieve this. Please suggest us as we are new for all the capabilities of yocto.

Answer 1

A full example of how you can do this:

The important part is SRCREV = "${AUTOREV}" and PV = "${BPV}+gitr${SRCPV}"

DESCRIPTION = "Hello World"
SECTION = "examples"
LICENSE = "CLOSED"
LIC_FILES_CHKSUM = "file://README.md;md5=8386d486d9e820c480636608de5c2d98"

SRCREV = "${AUTOREV}"
BPV = "0.1.0"
PV = "${BPV}+gitr${SRCPV}" 

S = "${WORKDIR}/git"

SRC_URI = " git://example/hello_world.git;protocol=http \
"

inherit autotools

RDEPENDS_${PN} += " \
    hello-world-runtime-dependency \
"