зеркало из https://github.com/mozilla/gecko-dev.git
124 строки
3.2 KiB
Perl
Executable File
124 строки
3.2 KiB
Perl
Executable File
#!/usr/bin/perl -w
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# This Source Code Form is subject to the terms of the Mozilla Public
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# License, v. 2.0. If a copy of the MPL was not distributed with this
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# file, You can obtain one at http://mozilla.org/MPL/2.0/.
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#
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# This tool unpacks a full update package generated by make_full_update.sh
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# Author: Benjamin Smedberg
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#
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# -----------------------------------------------------------------------------
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# By default just assume that these tools exist on our path
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use Getopt::Std;
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my ($MAR, $XZ, $BZIP2, $MAR_OLD_FORMAT, $archive, @marentries, @marfiles);
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if (defined($ENV{"MAR"})) {
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$MAR = $ENV{"MAR"};
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}
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else {
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$MAR = "mar";
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}
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if (defined($ENV{"BZIP2"})) {
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$BZIP2 = $ENV{"BZIP2"};
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}
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else {
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$BZIP2 = "bzip2";
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}
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if (defined($ENV{"XZ"})) {
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$XZ = $ENV{"XZ"};
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}
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else {
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if (system("xz --version > /dev/null 2>&1") != 0) {
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# Some of the Windows build systems have xz.exe in topsrcdir/xz/.
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my $xzwinpath = __FILE__;
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$xzwinpath = substr($xzwinpath, 0, rindex($xzwinpath, '/'));
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$xzwinpath = substr($xzwinpath, 0, rindex($xzwinpath, '/'));
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$xzwinpath = substr($xzwinpath, 0, rindex($xzwinpath, '/'));
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my $xzwin = $xzwinpath . "/xz/xz.exe";
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if (-e $xzwin) {
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$XZ = $xzwin;
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}
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else {
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$xzwinpath = substr($xzwinpath, 0, rindex($xzwinpath, '/'));
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$xzwin = $xzwinpath . "/xz/xz.exe";
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if (-e $xzwin) {
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$XZ = $xzwin;
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}
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else {
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# If the xz executable was not found fallback to trying to execute
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# xz and follow the normal failure path if it isn't found.
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$XZ = "xz";
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}
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}
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}
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else {
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$XZ = "xz";
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}
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}
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sub print_usage
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{
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print "Usage: unwrap_full_update.pl [OPTIONS] ARCHIVE\n\n";
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print "The contents of ARCHIVE will be unpacked into the current directory.\n\n";
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print "Options:\n";
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print " -h show this help text\n";
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}
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my %opts;
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getopts("h", \%opts);
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if (defined($opts{'h'}) || scalar(@ARGV) != 1) {
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print_usage();
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exit 1;
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}
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$archive = $ARGV[0];
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@marentries = `"$MAR" -t "$archive"`;
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$? && die("Couldn't run \"$MAR\" -t");
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system($MAR, "-x", $archive) == 0 ||
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die "Couldn't run $MAR -x";
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# Try to determine if the mar file contains bzip2 compressed files and if not
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# assume that the mar file contains lzma compressed files. The updatev3.manifest
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# file is checked since a valid mar file must have this file in the root path.
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open(my $testfilename, "updatev3.manifest") or die $!;
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binmode($testfilename);
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read($testfilename, my $bytes, 3);
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if ($bytes eq "BZh") {
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$MAR_OLD_FORMAT = 1;
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} else {
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undef $MAR_OLD_FORMAT;
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}
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close $testfilename;
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shift @marentries;
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foreach (@marentries) {
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tr/\n\r//d;
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my @splits = split(/\t/,$_);
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my $file = $splits[2];
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print "Decompressing: " . $file . "\n";
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if ($MAR_OLD_FORMAT) {
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system("mv", $file, "$file.bz2") == 0 ||
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die "Couldn't mv \"$file\"";
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system($BZIP2, "-d", "$file.bz2") == 0 ||
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die "Couldn't decompress \"$file\"";
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}
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else {
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system("mv", $file, "$file.xz") == 0 ||
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die "Couldn't mv \"$file\"";
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system($XZ, "-d", "$file.xz") == 0 ||
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die "Couldn't decompress \"$file\"";
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}
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}
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print "Finished\n";
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