updated info about USB flash drive size
[fsf-member-card-builder.git] / live-usb-loader.sh
1 #!/bin/bash
2 #
3 # Copyright (C) 2012-2020 Ruben Rodriguez <ruben@trisquel.info>
4 # Copyright (C) 2020 Andrew Engelbrecht <andrew@fsf.org>
5 #
6 # This program is free software; you can redistribute it and/or modify
7 # it under the terms of the GNU General Public License as published by
8 # the Free Software Foundation; either version 2 of the License, or
9 # (at your option) any later version.
10 #
11 # This program is distributed in the hope that it will be useful,
12 # but WITHOUT ANY WARRANTY; without even the implied warranty of
13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 # GNU General Public License for more details.
15 #
16 # You should have received a copy of the GNU General Public License
17 # along with this program; if not, write to the Free Software
18 # Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
19 #
20
21 set -e
22
23 usage(){
24 echo
25 echo You need to run this script as root
26 echo Usage: sudo $0 distro.iso /dev/sdX
27 echo Example: sudo $0 foobar_5.0_i386.iso /dev/sdb
28 echo
29 echo WARNING!: this script will delete all data on the whole disk you pass as the second parameter. Make sure it is your USB drive and not your internal hard drive!
30 echo ANOTHER WARNING!: This script can bite your dog. Use it with care, backup your data.
31 echo
32 exit 1
33 }
34
35 [ $(id -u) != 0 ] && usage
36 [ $# != 2 ] && usage
37
38 ISO=$1
39 DEV=$2
40 PERSISTENCESIZE=4096 # Size of the persistence file, in MB
41
42 ISOTMP=$(mktemp -d)
43 DEVTMP=$(mktemp -d)
44
45 umount $DEV* || true
46 mount -o loop $ISO $ISOTMP
47
48 # Create FAT32 LBA partition taking all disk
49 echo 'start=2048, type=c' | sfdisk $DEV
50 mkfs.vfat -I -F32 ${DEV}1 -n FSF-LIVE
51
52 # Copy the data
53 mount ${DEV}1 $DEVTMP
54 cp -vr $ISOTMP/* $ISOTMP/.disk $DEVTMP || true
55
56 cp -vr $DEVTMP/isolinux $DEVTMP/syslinux
57 mv $DEVTMP/syslinux/isolinux.cfg $DEVTMP/syslinux/syslinux.cfg
58
59 # Create persistency file
60 # dd if=/dev/zero of=$DEVTMP/casper-rw bs=1M count=$PERSISTENCESIZE oflag=sync status=progress
61 # mkfs.ext4 -L casper-rw -F $DEVTMP/casper-rw
62 # sed -i 's/noprompt --/noprompt persistent --/' $DEVTMP/syslinux/txt.cfg $DEVTMP/isolinux/txt.cfg
63
64 umount $DEVTMP
65 umount $ISOTMP
66
67 rmdir $DEVTMP
68 rmdir $ISOTMP
69
70 # Set up bootloader, requires syslinux 4x
71 # https://mirror.fsf.org/trisquel/pool/main/s/syslinux/syslinux-common_4.05+dfsg-6+deb8u1_all.deb
72 # https://mirror.fsf.org/trisquel/pool/main/s/syslinux/syslinux_4.05+dfsg-6+deb8u1_amd64.deb
73 syslinux ${DEV}1
74 dd conv=notrunc if=/usr/lib/syslinux/mbr.bin bs=440 count=1 of=$DEV
75 parted $DEV set 1 boot on
76
77 #eject $DEV
78 sync
79