[yocto] Manipulating code and Building in offline environment

[Lars Larsen]

Hello

I have 2 questions

I have finally managed to build an image like I want it.


I consists of a kernel.

The ROS framework.

And our proprietary software under git control


What I want to achieve is the following:

When online it should fetch the latest commit (or what ever branch/tag) 
from our git repo.

It should be possible to take a laptop with a fresh checkout of all the 
software, go to the field where the is NO INTERNET access, and be able 
to patch our code on the spot ,and build fresh images, for the target.

When online in our office environment all our own software is correctly 
checked out from our git repo. and build. Beautifully.....

But when offline ( I disconnect the LAN ) I continually gets errors like 
“Failure expanding variable SRCPV” on our software modules.

I have following in build/conf/local.conf


BB_GENERATE_MIRROR_TARBALLS = "1"

INHERIT += "own-mirrors"

SOURCE_MIRROR_URL = "file://${DL_DIR}"


and I experimented with BB_FETCH_PREMIRRORONLY = "1"

with no appearent effect


So question 1:

How do I achieve the offline building. ?

Is should be possible - right ?


Question 2:

Where in the tree is the checked out source code located, that bitbake 
compiles from.



Kind regards

Lars Larsen


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