yocto

Yocto devtool modify subcommand does not apply patches as commits

I've encountered a strange behavior of devtool in my new Yocto project. Normally, I use devtool modify command to make modifications to source files and later use the finish subcommand to create patches from my commits end put them in my layer. Later on, I use the modify command again to make further modifications. But this time the second time I used the modify subcommand, my patches, which normally I expect apply as commits, were not there. What can be the cause for this?

So in short:

devtool modify recipe-name

Make modification, then git commit ...

devtool finish recipe-name layer-name

Patches are created and placed in the SRC_URI:prepend of .bbappend file in layer-name.

Later:

devtool modify recipe-name

However, the patches are not present in the commit history.

I can also say that doing a compile with the recipe-name checked-out with devtool modify results in errors, since the patches are not applied. But doing devtool reset recipe-name, then bitbake image-name compiles successfully.

Solution

  • My bad here. The patches were correctly applied but to a different branch to where I was expecting them. I was expecting them to appear on the devtool branch instead they were applied on the rpi-6.6.y branch which is the correct version my yocto config target. So, yeah I think I still need a better understanding of devtool.