{ fetchzip, lib }: lib.makeOverridable ( # cgit example, snapshot support is optional in cgit { repo, rev, name ? "source-savannah.gnu.org-${repo}-${rev}", ... # For hash agility }@args: fetchzip ( { inherit name; url = "https://git.savannah.gnu.org/cgit/${repo}.git/snapshot/${repo}-${rev}.tar.gz"; meta.homepage = "https://git.savannah.gnu.org/cgit/${repo}.git/"; } // removeAttrs args [ "repo" "rev" ] ) // { inherit rev; } )