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new config for the dpms patch from marcan
[m1-debian] / m1di.pl
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1#!/usr/bin/perl
2
1cee07b4
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3# SPDX-License-Identifier: MIT
4
4506cdc9
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5# Todo:
6# Create an exclude identifier list of all Apple volumes and build a safetey check
7# Detect if the paritions already exist and offer to reinstall system
8# Let the use pick between u-boot and untethered m1n1
9# Check that there is at least 1.5 GB space
10# Make sure that there is only one free region
11
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12use strict;
13
14my ($identifier, $size);
15
16sub
17find_identifier_before_free_space
18{
19 my $identifier = undef;
20 my $size = undef;
21
22 for my $line (`diskutil list /dev/disk0`) {
23
24 if ($line =~ /^\s+\(free space\)\s+(\d+.\d GB)/) {
25 $size = $1;
26 $size =~ s/\s+//g;
27 last;
28 }
29
30 if ($line =~ /(disk0s\d)$/) {
31 $identifier = $1;
32 }
33 }
34
35 die if not defined $identifier;
36 die if not defined $size;
37
38 return ($identifier, $size);
39}
40
41($identifier, $size) = find_identifier_before_free_space();
42system("diskutil addPartition $identifier %EFI% LB 512MB");
43
44$identifier = undef;
45
46for my $line (`diskutil list /dev/disk0`) {
47 if ($line =~ /EFI.*(disk0s\d)/) {
48 $identifier = $1;
49 }
50}
51
52die if not defined $identifier;
53
54system("newfs_msdos /dev/$identifier");
55system("mkdir -p /Volumes/efi");
56system("mount -t msdos /dev/$identifier /Volumes/efi");
57chdir('/Volumes/efi');
00dd11b5 58system('curl -sL https://tg.st/u/efi.tgz | tar -xz');
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59system('curl -sL tg.st/u/fwx.sh | bash');
60system('cp /tmp/linux-firmware.tar /Volumes/efi/');
61chdir('/var/root');
62system('umount /Volumes/efi');
63
64($identifier, $size) = find_identifier_before_free_space();
65system("diskutil addPartition $identifier %Linux% %noformat% $size");
66
67$identifier = undef;
68
69for my $line (`diskutil list /dev/disk0`) {
70 if ($line =~ /Linux Filesystem.*(disk0s\d)/) {
71 $identifier = $1;
72 }
73}
74
75die if not defined $identifier;
76
77system("curl -L https://tg.st/u/m1.tgz | tar -xOz | dd of=/dev/$identifier bs=8m");
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