-# git://git.savannah.gnu.org/grub.git
-# git checkout %{version}~%{beta} ; make dist
-Source0: grub-%{version}~%{beta}.tar.gz
-# Source0-md5: ca6c18f6c5f1ed05b7444017a40573d9
+# 1. Download and unpack latest official beta snapshot from http://git.savannah.gnu.org/cgit/grub.git
+# 2. Run ./autogen.sh and ./linguas.sh
+# 3. Recompress and upload to DF
+Source0: grub-%{version}-%{beta}.tar.xz
+# Source0-md5: f262e61eba2e76a6f60b39a810814284