New features:
- A new flag `--skip-format-check` was added to allow downstream users
to cross an upstream format bump manually. The manual process was unable
to proceed in this scenario since the format check would prevent the +20
build from completing
- Custom `os-release` files can now be provided as a replacement for the
default one. The path for the custom file can be configured in the new
`OS_RELEASE_PATH` option in `builder.conf`
- A new `latest_version` file is now published under `www/version/`
directory. This file allows the latest published version to be retrieved
without requiring the latest format to be known.
- A new subcommand `build validate` was introduced. This command
validates the difference between manifest contents of two versions by
comparing it with the difference in content of the rpms from those
versions.
Bug Fixes:
- Compression goroutines now use the user provided bundle-workers as the
default number number of goroutines. This change prevents mixer from
hitting the file descriptor limit - "Too many open files" error. This
change may have some performance impact on larger builds with the
default parameters, but the problem can be circumvented by manually
tuning the number of bundle-workers.
- Directories are now excluded from content size calculation. This
change allows builds to be reproducible since the directory size may
change even if the content is the same.
- Fix `--clean` flag for build subcommand. The clean flag did not roll
back the previous version of the mix, which caused deleted entries to be
missing when manifests were generated.
- Fix race conditions found by go's built in race detector.
