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1#!/bin/sh -e
2#
3# Copyright (c) 2012, Intel Corporation.
4# All rights reserved.
5#
6# install.sh [device_name] [rootfs_name]
7#
8
9PATH=/sbin:/bin:/usr/sbin:/usr/bin
10
11# We need 200 Mb for the boot partition
12boot_size=200
13
14# 50% for the second rootfs
15testfs_ratio=50
16
17found="no"
18
19echo "Searching for a hard drive..."
20for device in 'hda' 'hdb' 'sda' 'sdb' 'mmcblk0' 'mmcblk1'
21do
22 if [ -e /sys/block/${device}/removable ]; then
23 if [ "$(cat /sys/block/${device}/removable)" = "0" ]; then
24 found="yes"
25
26 while true; do
27 # Try sleeping here to avoid getting kernel messages
28 # obscuring/confusing user
29 sleep 5
30 echo "Found drive at /dev/${device}. Do you want to install this image there ? [y/n]"
31 read answer
32 if [ "$answer" = "y" ] ; then
33 break
34 fi
35
36 if [ "$answer" = "n" ] ; then
37 found=no
38 break
39 fi
40
41 echo "Please answer y or n"
42 done
43 fi
44 fi
45
46 if [ "$found" = "yes" ]; then
47 break;
48 fi
49
50done
51
52if [ "$found" = "no" ]; then
53 exit 1
54fi
55
56echo "Installing image on /dev/${device}"
57
58#
59# The udev automounter can cause pain here, kill it
60#
61rm -f /etc/udev/rules.d/automount.rules
62rm -f /etc/udev/scripts/mount*
63
64#
65# Unmount anything the automounter had mounted
66#
67umount /dev/${device}* 2> /dev/null || /bin/true
68
69mkdir -p /tmp
70cat /proc/mounts > /etc/mtab
71
72disk_size=$(parted /dev/${device} unit mb print | grep Disk | cut -d" " -f 3 | sed -e "s/MB//")
73
74testfs_size=$((disk_size*testfs_ratio/100))
75rootfs_size=$((disk_size-boot_size-testfs_size))
76
77rootfs_start=$((boot_size))
78rootfs_end=$((rootfs_start+rootfs_size))
79testfs_start=$((rootfs_end))
80
81# MMC devices are special in a couple of ways
82# 1) they use a partition prefix character 'p'
83# 2) they are detected asynchronously (need rootwait)
84rootwait=""
85part_prefix=""
86if [ ! "${device#mmcblk}" = "${device}" ]; then
87 part_prefix="p"
88 rootwait="rootwait"
89fi
90bootfs=/dev/${device}${part_prefix}1
91rootfs=/dev/${device}${part_prefix}2
92testfs=/dev/${device}${part_prefix}3
93
94echo "*****************"
95echo "Boot partition size: $boot_size MB ($bootfs)"
96echo "Rootfs partition size: $rootfs_size MB ($rootfs)"
97echo "Testfs partition size: $testfs_size MB ($testfs)"
98echo "*****************"
99echo "Deleting partition table on /dev/${device} ..."
100dd if=/dev/zero of=/dev/${device} bs=512 count=2
101
102echo "Creating new partition table on /dev/${device} ..."
103parted /dev/${device} mklabel gpt
104
105echo "Creating boot partition on $bootfs"
106parted /dev/${device} mkpart primary 0% $boot_size
107parted /dev/${device} set 1 boot on
108
109echo "Creating rootfs partition on $rootfs"
110parted /dev/${device} mkpart primary $rootfs_start $rootfs_end
111
112echo "Creating testfs partition on $testfs"
113parted /dev/${device} mkpart primary $testfs_start 100%
114
115parted /dev/${device} print
116
117echo "Formatting $bootfs to vfat..."
118mkfs.vfat -n "boot" $bootfs
119
120echo "Formatting $rootfs to ext3..."
121mkfs.ext3 -L "platform" $rootfs
122
123echo "Formatting $testfs to ext3..."
124mkfs.ext3 -L "testrootfs" $testfs
125
126mkdir /ssd
127mkdir /rootmnt
128mkdir /bootmnt
129
130mount $rootfs /ssd
131mount -o rw,loop,noatime,nodiratime /media/$1/$2 /rootmnt
132
133echo "Copying rootfs files..."
134cp -a /rootmnt/* /ssd
135
136touch /ssd/etc/masterimage
137
138if [ -d /ssd/etc/ ] ; then
139 # We dont want udev to mount our root device while we're booting...
140 if [ -d /ssd/etc/udev/ ] ; then
141 echo "/dev/${device}" >> /ssd/etc/udev/mount.blacklist
142 fi
143fi
144
145umount /ssd
146umount /rootmnt
147
148echo "Preparing boot partition..."
149mount $bootfs /ssd
150
151EFIDIR="/ssd/EFI/BOOT"
152mkdir -p $EFIDIR
153cp /media/$1/vmlinuz /ssd
154# Copy the efi loader
155cp /media/$1/EFI/BOOT/*.efi $EFIDIR
156
157if [ -f /media/$1/EFI/BOOT/grub.cfg ]; then
158 GRUBCFG="$EFIDIR/grub.cfg"
159 cp /media/$1/EFI/BOOT/grub.cfg $GRUBCFG
160 # Update grub config for the installed image
161 # Delete the install entry
162 sed -i "/menuentry 'install'/,/^}/d" $GRUBCFG
163 # Delete the initrd lines
164 sed -i "/initrd /d" $GRUBCFG
165 # Delete any LABEL= strings
166 sed -i "s/ LABEL=[^ ]*/ /" $GRUBCFG
167 # Delete any root= strings
168 sed -i "s/ root=[^ ]*/ /" $GRUBCFG
169 # Add the root= and other standard boot options
170 sed -i "s@linux /vmlinuz *@linux /vmlinuz root=$rootfs rw $rootwait quiet @" $GRUBCFG
171fi
172
173if [ -d /media/$1/loader ]; then
174 GUMMIBOOT_CFGS="/ssd/loader/entries/*.conf"
175 # copy config files for gummiboot
176 cp -dr /media/$1/loader /ssd
177 # delete the install entry
178 rm -f /ssd/loader/entries/install.conf
179 # delete the initrd lines
180 sed -i "/initrd /d" $GUMMIBOOT_CFGS
181 # delete any LABEL= strings
182 sed -i "s/ LABEL=[^ ]*/ /" $GUMMIBOOT_CFGS
183 # delete any root= strings
184 sed -i "s/ root=[^ ]*/ /" $GUMMIBOOT_CFGS
185 # add the root= and other standard boot options
186 sed -i "s@options *@options root=$rootfs rw $rootwait quiet @" $GUMMIBOOT_CFGS
187 # Add the test label
188 echo -ne "title test\nlinux /test-kernel\noptions root=$testfs rw $rootwait quiet\n" > /ssd/loader/entries/test.conf
189fi
190
191umount /ssd
192sync
193
194echo "Remove your installation media, and press ENTER"
195
196read enter
197
198echo "Rebooting..."
199reboot -f