| #!/bin/sh -e |
| # |
| # Copyright (c) 2012, Intel Corporation. |
| # All rights reserved. |
| # |
| # install.sh [device_name] [rootfs_name] |
| # |
| |
| PATH=/sbin:/bin:/usr/sbin:/usr/bin |
| |
| # We need 200 Mb for the boot partition |
| boot_size=200 |
| |
| # 50% for the second rootfs |
| testfs_ratio=50 |
| |
| found="no" |
| |
| echo "Searching for a hard drive..." |
| for device in 'hda' 'hdb' 'sda' 'sdb' 'mmcblk0' 'mmcblk1' |
| do |
| if [ -e /sys/block/${device}/removable ]; then |
| if [ "$(cat /sys/block/${device}/removable)" = "0" ]; then |
| found="yes" |
| |
| while true; do |
| # Try sleeping here to avoid getting kernel messages |
| # obscuring/confusing user |
| sleep 5 |
| echo "Found drive at /dev/${device}. Do you want to install this image there? [y/n]" |
| read answer |
| if [ "$answer" = "y" ] ; then |
| break |
| fi |
| |
| if [ "$answer" = "n" ] ; then |
| found=no |
| break |
| fi |
| |
| echo "Please answer y or n" |
| done |
| fi |
| fi |
| |
| if [ "$found" = "yes" ]; then |
| break; |
| fi |
| |
| done |
| |
| if [ "$found" = "no" ]; then |
| exit 1 |
| fi |
| |
| echo "Installing image on /dev/${device}" |
| |
| # |
| # The udev automounter can cause pain here, kill it |
| # |
| rm -f /etc/udev/rules.d/automount.rules |
| rm -f /etc/udev/scripts/mount* |
| |
| # |
| # Unmount anything the automounter had mounted |
| # |
| umount /dev/${device}* 2> /dev/null || /bin/true |
| |
| mkdir -p /tmp |
| cat /proc/mounts > /etc/mtab |
| |
| disk_size=$(parted /dev/${device} unit mb print | grep '^Disk .*: .*MB' | cut -d" " -f 3 | sed -e "s/MB//") |
| |
| testfs_size=$((disk_size*testfs_ratio/100)) |
| rootfs_size=$((disk_size-boot_size-testfs_size)) |
| |
| rootfs_start=$((boot_size)) |
| rootfs_end=$((rootfs_start+rootfs_size)) |
| testfs_start=$((rootfs_end)) |
| |
| # MMC devices are special in a couple of ways |
| # 1) they use a partition prefix character 'p' |
| # 2) they are detected asynchronously (need rootwait) |
| rootwait="" |
| part_prefix="" |
| if [ ! "${device#mmcblk}" = "${device}" ]; then |
| part_prefix="p" |
| rootwait="rootwait" |
| fi |
| bootfs=/dev/${device}${part_prefix}1 |
| rootfs=/dev/${device}${part_prefix}2 |
| testfs=/dev/${device}${part_prefix}3 |
| |
| echo "*****************" |
| echo "Boot partition size: $boot_size MB ($bootfs)" |
| echo "Rootfs partition size: $rootfs_size MB ($rootfs)" |
| echo "Testfs partition size: $testfs_size MB ($testfs)" |
| echo "*****************" |
| echo "Deleting partition table on /dev/${device} ..." |
| dd if=/dev/zero of=/dev/${device} bs=512 count=2 |
| |
| echo "Creating new partition table on /dev/${device} ..." |
| parted /dev/${device} mklabel gpt |
| |
| echo "Creating boot partition on $bootfs" |
| parted /dev/${device} mkpart primary 0% $boot_size |
| parted /dev/${device} set 1 boot on |
| |
| echo "Creating rootfs partition on $rootfs" |
| parted /dev/${device} mkpart primary $rootfs_start $rootfs_end |
| |
| echo "Creating testfs partition on $testfs" |
| parted /dev/${device} mkpart primary $testfs_start 100% |
| |
| parted /dev/${device} print |
| |
| echo "Formatting $bootfs to vfat..." |
| mkfs.vfat -n "boot" $bootfs |
| |
| echo "Formatting $rootfs to ext3..." |
| mkfs.ext3 -L "platform" $rootfs |
| |
| echo "Formatting $testfs to ext3..." |
| mkfs.ext3 -L "testrootfs" $testfs |
| |
| mkdir /ssd |
| mkdir /rootmnt |
| mkdir /bootmnt |
| |
| mount $rootfs /ssd |
| mount -o rw,loop,noatime,nodiratime /run/media/$1/$2 /rootmnt |
| |
| echo "Copying rootfs files..." |
| cp -a /rootmnt/* /ssd |
| |
| touch /ssd/etc/controllerimage |
| |
| if [ -d /ssd/etc/ ] ; then |
| # We dont want udev to mount our root device while we're booting... |
| if [ -d /ssd/etc/udev/ ] ; then |
| echo "/dev/${device}" >> /ssd/etc/udev/mount.ignorelist |
| fi |
| fi |
| |
| umount /ssd |
| umount /rootmnt |
| |
| echo "Preparing boot partition..." |
| mount $bootfs /ssd |
| |
| EFIDIR="/ssd/EFI/BOOT" |
| mkdir -p $EFIDIR |
| cp /run/media/$1/vmlinuz /ssd |
| # Copy the efi loader |
| cp /run/media/$1/EFI/BOOT/*.efi $EFIDIR |
| |
| if [ -f /run/media/$1/EFI/BOOT/grub.cfg ]; then |
| GRUBCFG="$EFIDIR/grub.cfg" |
| cp /run/media/$1/EFI/BOOT/grub.cfg $GRUBCFG |
| # Update grub config for the installed image |
| # Delete the install entry |
| sed -i "/menuentry 'install'/,/^}/d" $GRUBCFG |
| # Delete the initrd lines |
| sed -i "/initrd /d" $GRUBCFG |
| # Delete any LABEL= strings |
| sed -i "s/ LABEL=[^ ]*/ /" $GRUBCFG |
| # Delete any root= strings |
| sed -i "s/ root=[^ ]*/ /" $GRUBCFG |
| # Add the root= and other standard boot options |
| sed -i "s@linux /vmlinuz *@linux /vmlinuz root=$rootfs rw $rootwait quiet @" $GRUBCFG |
| fi |
| |
| if [ -d /run/media/$1/loader ]; then |
| SYSTEMDBOOT_CFGS="/ssd/loader/entries/*.conf" |
| # copy config files for systemd-boot |
| cp -dr /run/media/$1/loader /ssd |
| # delete the install entry |
| rm -f /ssd/loader/entries/install.conf |
| # delete the initrd lines |
| sed -i "/initrd /d" $SYSTEMDBOOT_CFGS |
| # delete any LABEL= strings |
| sed -i "s/ LABEL=[^ ]*/ /" $SYSTEMDBOOT_CFGS |
| # delete any root= strings |
| sed -i "s/ root=[^ ]*/ /" $SYSTEMDBOOT_CFGS |
| # add the root= and other standard boot options |
| sed -i "s@options *@options root=$rootfs rw $rootwait quiet @" $SYSTEMDBOOT_CFGS |
| # Add the test label |
| echo -ne "title test\nlinux /test-kernel\noptions root=$testfs rw $rootwait quiet\n" > /ssd/loader/entries/test.conf |
| fi |
| |
| umount /ssd |
| sync |
| |
| echo "Remove your installation media, and press ENTER" |
| |
| read enter |
| |
| echo "Rebooting..." |
| reboot -f |