func applyPackageSpecOverride()

in validators/package_validator_linux.go [200:227]

• 23 lines of code
• 7 McCabe index (conditional complexity)

func applyPackageSpecOverride(packageSpecs []PackageSpec, overrides []PackageSpecOverride, osDistro string) []PackageSpec {
	var override *PackageSpecOverride
	for _, o := range overrides {
		if o.OSDistro == osDistro {
			override = &o
			break
		}
	}
	if override == nil {
		return packageSpecs
	}

	// Remove packages in the spec that matches the overrides in
	// Subtractions.
	var out []PackageSpec
	subtractions := make(map[string]bool)
	for _, spec := range override.Subtractions {
		subtractions[spec.Name] = true
	}
	for _, spec := range packageSpecs {
		if _, ok := subtractions[spec.Name]; !ok {
			out = append(out, spec)
		}
	}

	// Add packages in the spec that matches the overrides in Additions.
	return append(out, override.Additions...)
}