Hi
In our project we had an idea to use more customized Image names based on PV.
The idea was to set PV to format CommitDate.hash.
I achieved that by creating class and inheriting it in our image .bb recipes.
Class content (brief):
DESCRIPTION = "Class for automatic recipe versioning based on git commit
date and hash"
python () {
# Override default PV value with new BuildVersion string
bb.data.setVar('PV', getBuildVersion(), d)
}
*** getBuildVersion() just gets Date and Hash of commit (code is not
relevant for described problem - method works ok)
Now we noticed problem in scenario like this:
1. Build image (bitbake rfsw-image-minimal)
2. Update meta (do anything that changes meta commit (affects our PV) -
e.g. git pull)
3. Build the same image (bitbake rfsw-image-minimal)
The problem is that bitbake does not fully notices changed (PV) Version and
however uses new PV for build (new build directory) it does not build new
rootfs and exits with error about not existing files.
I'm aware of the difference from case when PV is changed statically in recipe
content - as they change recipe checksum and that properly forces rootfs to be
rebuilt.
But In my case when PV value is generated fully dynamically bitbake does not
work as we would expect.
Is there any solution for that?
Is that expected behaviour?
Br, Lukasz
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