Hi, Shea Levy <shea at shealevy.com> writes: > The specific revision this patch points to is the 1.99~rc1 > release. Using the tarball would be preferable, but as I said fetchurl > chokes on a tarball with a ~ in its name. This can be worked around: src = fetchurl { url = ... name = "grub-1.99rc1"; # get rid of `~' }; HTH, Ludo’.