Package feeds
As discussed in Chapter 5, Grasping the BitBake Tool, packages play a vital role, as images and Software Development Kits (SDKs) rely on them. In fact, do_rootfs uses a local repository to fetch binary packages when generating those artifacts. This repository is known as a package feed.
There is no reason for this repository to be used just for the images or SDK build steps. Several valid reasons exist for making this repository remotely accessible, either internally in our development environment or publicly. Some of these reasons are as follows:
- You can easily test an updated application during the development stage, without requiring a complete system re-installation
- You can make additional packages more flexible so that they can be installed in a running image
- You can update products in the field
To produce a solid package feed, we must ensure that we have consistent increments in the package revision every time the package is changed. It...
