51    2) likely has been accessed by someone in CDN and thus faster
 52    3) provides more or less unique filenames once the stuff is downloaded
 53    See https://fedoraproject.org/wiki/Packaging:SourceURL#Git_Tags
 54    We use variation of this: it does not need a parsed version (works for  55    --pre better) and it is not broken on fancy release tags like v1.2.3-stable
 56    https://github.com/OWNER/PROJECT/archive/%{git_tag}/%{git_tag}-%{version}.tar.gz
 57    """