Use grub2-mkconfig if update-grub isn't present

update-grub doesn't exist on fedora so if the legacy grub config file is
being used use grub2-mkconfig instead.

Also slightly change the sed GRUB_CMDLINE_LINUX regex so that it will
match if the command line already contains entries.

Change-Id: I21ce382a0023d674a4a2e6afecc9bc678791eac9
This commit is contained in:
Derek Higgins 2014-04-30 00:05:38 +01:00
parent b3b5c2ba69
commit 4c674a2476
1 changed files with 7 additions and 2 deletions

View File

@ -19,8 +19,13 @@
# cpu resources can be used without the risk of becoming dependent on more
# memory.
if [ -f /etc/default/grub ] ; then
sudo sed -i -e 's/^GRUB_TIMEOUT=[0-9]\+/GRUB_TIMEOUT=0/' -e 's/#\?GRUB_CMDLINE_LINUX=""/GRUB_CMDLINE_LINUX="mem=8G"/g' /etc/default/grub
sudo update-grub
sudo sed -i -e 's/^GRUB_TIMEOUT=[0-9]\+/GRUB_TIMEOUT=0/' -e 's/#\?GRUB_CMDLINE_LINUX="/GRUB_CMDLINE_LINUX="mem=8G /g' /etc/default/grub
if which update-grub &> /dev/null ; then
sudo update-grub
else
# If update-grub isn't available, use grub2-mkconfig directly
sudo grub2-mkconfig -o /boot/grub2/grub.cfg
fi
elif [ -f /boot/grub/grub.conf ] ; then
sudo sed -i -e 's/^timeout=[0-9]\+/timeout=0/' -e 's/\(^\s\+kernel.*\)/\1 mem=8G/' /boot/grub/grub.conf
fi