summaryrefslogtreecommitdiff
path: root/tools/update-packaging/unwrap_full_update.pl
blob: 7ecce019e09ae47246c4ef3b478a4fe6557ad80d (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
#!/usr/bin/perl -w
# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, You can obtain one at http://mozilla.org/MPL/2.0/.

#
# This tool unpacks a full update package generated by make_full_update.sh
# Author: Benjamin Smedberg
#

# -----------------------------------------------------------------------------
# By default just assume that these tools exist on our path

use Getopt::Std;

my ($MAR, $XZ, $BZIP2, $MAR_OLD_FORMAT, $archive, @marentries, @marfiles);

if (defined($ENV{"MAR"})) {
    $MAR = $ENV{"MAR"};
}
else {
    $MAR = "mar";
}

if (defined($ENV{"MAR_OLD_FORMAT"})) {
    $MAR_OLD_FORMAT = 1;
    if (defined($ENV{"BZIP2"})) {
        $BZIP2 = $ENV{"BZIP2"};
    }
    else {
        $BZIP2 = "bzip2";
    }
}
else {
    $MAR_OLD_FORMAT = 0;
    if (defined($ENV{"XZ"})) {
        $XZ = $ENV{"XZ"};
    }
    else {
        $XZ = "xz";
    }
}

sub print_usage
{
    print "Usage: unwrap_full_update.pl [OPTIONS] ARCHIVE\n\n";
    print "The contents of ARCHIVE will be unpacked into the current directory.\n\n";
    print "Options:\n";
    print "  -h show this help text\n";
}

my %opts;
getopts("h", \%opts);

if (defined($opts{'h'}) || scalar(@ARGV) != 1) {
    print_usage();
    exit 1;
}

$archive = $ARGV[0];
@marentries = `"$MAR" -t "$archive"`;

$? && die("Couldn't run \"$MAR\" -t");

shift @marentries;

system("$MAR -x \"$archive\"") == 0 || die "Couldn't run $MAR -x";

foreach (@marentries) {
    tr/\n\r//d;
    my @splits = split(/\t/,$_);
    my $file = $splits[2];

    if ($MAR_OLD_FORMAT == 1) {
      system("mv \"$file\" \"$file.bz2\"") == 0 ||
        die "Couldn't mv \"$file\"";
      system("\"$BZIP2\" -d \"$file.bz2\"") == 0 ||
        die "Couldn't decompress \"$file\"";
    }
    else {
      system("mv \"$file\" \"$file.xz\"") == 0 ||
        die "Couldn't mv \"$file\"";
      system("\"$XZ\" -d \"$file.xz\"") == 0 ||
        die "Couldn't decompress \"$file\"";
    }
}