note about 64 bit images
[fsf-member-card-builder.git] / live-usb-loader.sh
CommitLineData
25b16ae2
AE
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
21set -e
22
23usage(){
36f232d0 24echo
25b16ae2
AE
25echo You need to run this script as root
26echo Usage: sudo $0 distro.iso /dev/sdX
27echo Example: sudo $0 foobar_5.0_i386.iso /dev/sdb
28echo
29echo 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!
30echo ANOTHER WARNING!: This script can bite your dog. Use it with care, backup your data.
36f232d0 31echo
25b16ae2
AE
32exit 1
33}
34
35[ $(id -u) != 0 ] && usage
36[ $# != 2 ] && usage
37
38ISO=$1
39DEV=$2
40PERSISTENCESIZE=4096 # Size of the persistence file, in MB
41
42ISOTMP=$(mktemp -d)
43DEVTMP=$(mktemp -d)
44
45umount $DEV* || true
46mount -o loop $ISO $ISOTMP
47
48# Create FAT32 LBA partition taking all disk
49echo 'start=2048, type=c' | sfdisk $DEV
50mkfs.vfat -I -F32 ${DEV}1 -n FSF-LIVE
51
52# Copy the data
53mount ${DEV}1 $DEVTMP
54cp -vr $ISOTMP/* $ISOTMP/.disk $DEVTMP || true
55
56cp -vr $DEVTMP/isolinux $DEVTMP/syslinux
57mv $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
64umount $DEVTMP
65umount $ISOTMP
66
67rmdir $DEVTMP
68rmdir $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
73syslinux ${DEV}1
74dd conv=notrunc if=/usr/lib/syslinux/mbr.bin bs=440 count=1 of=$DEV
75parted $DEV set 1 boot on
76
2f56ad2d 77#eject $DEV
25b16ae2
AE
78sync
79