Function shouldRequireCompressionFormatMatch

copy/copy.go:189–194

Internal function to validate `requireCompressionFormatMatch` for copySingleImageOptions

(options *Options)

// Internal function to validate `requireCompressionFormatMatch` for copySingleImageOptions
func shouldRequireCompressionFormatMatch(options *Options) (bool, error) {
	if options.ForceCompressionFormat && (options.DestinationCtx == nil || options.DestinationCtx.CompressionFormat == nil) {
		return false, fmt.Errorf("cannot use ForceCompressionFormat with undefined default compression format")
	}
	return options.ForceCompressionFormat, nil
}

// Image copies image from srcRef to destRef, using policyContext to validate
// source image admissibility.  It returns the manifest which was written to