The Tor Browser: tools/update-packaging/unwrap_full

Conditionally force memory storage according to privacy.thirdparty.isolate;
This solves Tor bug #9701, complying with disk avoidance documented in
https://www.torproject.org/projects/torbrowser/design/#disk-avoidance.

     1 #!/usr/bin/perl -w

     2 # This Source Code Form is subject to the terms of the Mozilla Public

     3 # License, v. 2.0. If a copy of the MPL was not distributed with this

     4 # file, You can obtain one at http://mozilla.org/MPL/2.0/.

6 #

     7 # This tool unpacks a full update package generated by make_full_update.sh

     8 # Author: Benjamin Smedberg

9 #

    11 # -----------------------------------------------------------------------------

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

    14 use Getopt::Std;

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

    18 if (defined($ENV{"MAR"})) {

    19     $MAR = $ENV{"MAR"};

    20 }

    21 else {

    22     $MAR = "mar";

    23 }

    25 if (defined($ENV{"BZIP2"})) {

    26     $BZIP2 = $ENV{"BZIP2"};

    27 }

    28 else {

    29     $BZIP2 = "bzip2";

    30 }

    32 sub print_usage

    33 {

    34     print "Usage: unwrap_full_update.pl [OPTIONS] ARCHIVE\n\n";

    35     print "The contents of ARCHIVE will be unpacked into the current directory.\n\n";

    36     print "Options:\n";

    37     print "  -h show this help text\n";

    38 }

    40 my %opts;

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

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

    44     print_usage();

    45     exit 1;

    46 }

    48 $archive = $ARGV[0];

    49 @marentries = `"$MAR" -t "$archive"`;

    51 $? && die("Couldn't run \"$MAR\" -t");

    53 shift @marentries;

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

    57 foreach (@marentries) {

    58     tr/\n\r//d;

    59     my @splits = split(/\t/,$_);

    60     my $file = $splits[2];

    62     system("mv \"$file\" \"$file.bz2\"") == 0 ||

    63       die "Couldn't mv \"$file\"";

    64     system("\"$BZIP2\" -d \"$file.bz2\"") == 0 ||

    65       die "Couldn't decompress \"$file\"";

    66 }

The Tor Browser / file revision

tools/update-packaging/unwrap_full_update.pl@97036ab72558

tools/update-packaging/unwrap_full_update.pl