Update target parsing
This makes several changes to target parsing:
- Rename "packages" to "targets".
- Assume providers are locally namespaced unless explicitly specified as
global.
- Implicitly create a provider for each project.
- Allow projects to define targets within their own manifests as well as
through external provider files.
- Make target names globally unique.
- Allow dependency-only targets.
Change-Id: I9b28dc3415837e82835ce3e1374b866cd2bce14d
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/qg/+/124891
Commit-Queue: Alexei Frolov <frolv@google.com>
Reviewed-by: Erik Gilling <konkers@google.com>
9 files changed