diskimage-builder/elements/fedora/pre-install.d/15-fedora-remove-grub
Steve Baker 9ba761ef27 Install fedora grub from cached rpm during finalise
When uninstalling grub2, leave all its dependencies
including grub2-tools installed to minimise the number of packages
which need to be installed in the finalise stage.

Since the yum cache is unmounted during finalise, installing
grub2 in finalise is slowed by re-populating the yum cache.

This change copies the grub2 rpm out of the yum cache so it can be installed
from file during finalise.

This should prevent disk becoming full during finalise on Fedora.

Closes-Bug: #1217185

Change-Id: If095adc4abb52a19a3aa0b1caebfb3e4d8f605ef
2013-09-15 09:11:58 +10:00

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#!/bin/bash
set -e
yum remove -y grub2
# Install grub2 dependencies to minimise packages installed during finalise.
install-packages grub2-tools gettext os-prober system-logos
# Ensure grub2 rpm is in the yum cache
install-packages -d grub2
# Copy grub2 rpm out of mounted yum cache for install during finalise
mkdir /tmp/grub
basearch=$(cat /etc/yum/vars/basearch)
cp $(find /tmp/yum/$basearch -regex ".*/grub2-[0-9].*\.rpm") /tmp/grub
echo "rpm -i /tmp/grub/*.rpm" > /tmp/grub/install
#GRUB_CFG=/boot/grub2/grub.cfg
#[ -f "$GRUB_CFG" ]
# Update the config to have the search UUID of the image being built.
# When partition staging is moved to a separate stage, this will need to happen
# there. This generates a non-UUID config, which is irrelevant for booting with
# hypervisor kernel + ramdisk, and fixed up by 51-grub for vm images.
#GRUB_DISABLE_LINUX_UUID=true grub2-mkconfig -o $GRUB_CFG