[patch] doesn't ever delete a stage2, warns the user (untested)

grub-dont-delete-stage2.diff (text/plain), 849 bytes, created by Tom Felker on 2007-01-06 10:09:29 UTC

--- /usr/portage/sys-boot/grub/grub-0.97-r3.ebuild	2006-12-02 18:06:42.000000000 -0600
+++ grub-0.97-r3.ebuild	2007-01-06 04:05:27.000000000 -0600
@@ -129,7 +129,17 @@
 		ln -snf grub.conf "${dir}"/grub/menu.lst
 	fi
 
-	[[ -e ${dir}/grub/stage2 ]] && mv "${dir}"/grub/stage2{,.old}
+	if [[ -e ${dir}/grub/stage2 ]]; then
+		mv "${dir}"/grub/stage2 $(mktemp \
+			"${dir}"/grub/stage2-$(date --rfc-3339=date).XXXXXX)
+		ewarn
+		ewarn "*** IMPORTANT NOTE: you will need to run grub to install"
+		ewarn " the new version's stage1 to your MBR.  Until you do,"
+		ewarn " stage1 and stage2 will still be the old version, but"
+		ewarn " later stages will be the new version, which could"
+		ewarn " cause problems."
+		ewarn
+	fi
 
 	einfo "Copying files from /lib/grub and /usr/lib/grub to "${dir}""
 	for x in /lib*/grub/*/* /usr/lib*/grub/*/* ; do