host.
- Added `never` for `CacheOnly=` to specify that repository metadata
should always be refreshed.
+- Renamed the `none` option for `CacheOnly=` to `auto`.
- Added `ProxyExclude=` to configure hostnames for which requests should
not go through the configured proxy.
-- Renamed the `none` option for `CacheOnly` to `auto`.
- The default tools tree is now reused on incremental builds.
- Added `VolatilePackages=` and `InitrdVolatilePackages=` to configure
packages that should be installed after executing build scripts and