blob: 74707bcb58775437607e2247defb1744a1e9a2c5 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
|
#!/bin/bash
ask() {
# http://djm.me/ask
local prompt default REPLY
while true; do
if [ "${2:-}" = "Y" ]; then
prompt="Y/n"
default=Y
elif [ "${2:-}" = "N" ]; then
prompt="y/N"
default=N
else
prompt="y/n"
default=
fi
# Ask the question (not using "read -p" as it uses stderr not stdout)
echo -n "$1 [$prompt] "
# Read the answer (use /dev/tty in case stdin is redirected from somewhere else)
read REPLY </dev/tty
# Default?
if [ -z "$REPLY" ]; then
REPLY=$default
fi
# Check if the reply is valid
case "$REPLY" in
Y*|y*) return 0 ;;
N*|n*) return 1 ;;
esac
done
}
if [[ $EUID -ne 0 ]]; then
echo ""
echo " This script must be run as root" 1>&2
echo ""
exit 1
fi
if [ -z "$1" ]; then
echo ""
echo " Flash a built image with an ATS Garage device config file baked in."
echo ""
echo " Usage: ./flash-configured-image.sh device [imagefile] "
echo ""
echo ""
echo " device : The device name to flash. Must be a removable device."
echo " Example: sdb"
echo ""
echo " imagefile : An image file generated by bitbake (optional)."
echo " Default: ./tmp/deploy/images/raspberrypi3/rpi-basic-image-raspberrypi3.rpi-sdimg-ota"
echo ""
echo " The following utilities are prerequisites:"
echo ""
echo " dd"
echo " parted"
echo " e2fsck"
echo " fdisk"
echo " resize2fs"
echo ""
exit 1
fi
set -euo pipefail
DEVICE_TO_FLASH=$1
IMAGE_TO_FLASH="${2-tmp/deploy/images/raspberrypi3/rpi-basic-image-raspberrypi3.rpi-sdimg-ota}"
DEVICE_IS_REMOVABLE=$(cat /sys/block/$DEVICE_TO_FLASH/removable)
if [[ $DEVICE_IS_REMOVABLE != "1" ]]; then
echo ""
echo " For safety, this script will only flash removable block devices."
echo ""
echo " This check is implemented by reading /sys/block/$DEVICE_TO_FLASH/removable."
echo ""
exit 1
fi
echo " "
echo " Writing image file: $IMAGE_TO_FLASH "
echo " to device : $DEVICE_TO_FLASH "
echo " "
if ask "Do you want to continue?" N; then
echo " "
else
exit 1
fi
if [ ! -f "$IMAGE_TO_FLASH" ]; then
echo " "
echo " Error: $IMAGE_TO_FLASH doesn't exist"
echo ""
exit 1
fi
echo "Unmounting all partitions on $DEVICE_TO_FLASH"
umount /dev/$DEVICE_TO_FLASH* || true
sleep 2
echo "Writing image to $DEVICE_TO_FLASH..."
dd if=$IMAGE_TO_FLASH of=/dev/$DEVICE_TO_FLASH bs=32M && sync
sleep 2
# It turns out there are card readers that give their partitions funny names, like
# "/dev/mmcblk0" will be the device, but the partitions are called "/dev/mmcblk0p1"
# for example. Better to just get the name of the partition after we flash it.
SECOND_PARTITION=$(fdisk -l /dev/$DEVICE_TO_FLASH | tail -n 1 | awk '{print $1}')
echo "Resizing rootfs partition to fill all of $DEVICE_TO_FLASH..."
parted -s /dev/$DEVICE_TO_FLASH resizepart 2 '100%'
sleep 2
e2fsck -f $SECOND_PARTITION || true
sleep 2
echo "Resizing filesystem on $SECOND_PARTITION to match partition size..."
resize2fs -p $SECOND_PARTITION
sleep 2
echo "Done!"
|