The public code is SaveAsFile(). It takes a URL, checksum and authentication info, and downloads the artefact and its hash HTTP. It saves the content as a file and returns the file's path on success, otherwise an error.

The public code is SaveAsFile(). It takes a URL, checksum and authentication info, and downloads the artifact and its hash using HTTP. It saves the content as a file and returns the file's path on success, otherwise an error.

As I'm fairly new to Go I would like to get some feedback on the error handling and on any ways to write this code more elegantly.

As I'm fairly new to Go I would like to get some feedback on the error handling and on any ways to write this code more elegantly?