/usr/share/perl5/Pristine/Tar.pm is in pristine-tar 1.38.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 | #!/usr/bin/perl
# pristine-tar utility library
package Pristine::Tar;
use warnings;
use strict;
use File::Temp;
use Getopt::Long;
use IPC::Open2;
use Exporter q{import};
our @EXPORT = qw(error message debug vprint doit try_doit doit_redir
tempdir dispatch comparefiles version_from_env
$verbose $debug $keep);
our $verbose = 0;
our $debug = 0;
our $keep = 0;
sub progname {
my $name = $0;
$name =~ s!^.*/(.+)$!$1!;
return $name;
}
sub error {
die progname() . ": @_\n";
}
sub message {
print STDERR progname() . ": @_\n";
}
sub debug {
message(@_) if $debug;
}
sub vprint {
message(@_) if $verbose;
}
sub doit {
if (try_doit(@_) != 0) {
error "command failed: @_";
}
}
sub try_doit {
vprint(@_);
return system(@_);
}
sub doit_redir {
no warnings 'once';
my ($in, $out, @args) = @_;
vprint(@args, "<", $in, ">", $out);
open INFILE, "<", $in or die("Could not open '$in' for reading: $!\n");
open OUTFILE, ">", $out or die("Could not open '$out' for reading: $!\n");
my $pid = open2(">&OUTFILE", "<&INFILE", @args);
waitpid $pid, 0;
if ($? != 0) {
error "command failed: @args";
}
}
sub tempdir {
return File::Temp::tempdir(
"pristine-tar.XXXXXXXXXX",
TMPDIR => 1,
CLEANUP => !$keep
);
}
# Workaround for bug #479317 in perl 5.10.
sub END {
chdir("/");
}
sub dispatch {
my %params = @_;
my %commands = %{ $params{commands} };
my %options = %{ $params{options} } if exists $params{options};
my $command;
Getopt::Long::Configure("bundling");
if (
!GetOptions(
%options,
"v|verbose!" => \$verbose,
"d|debug!" => \$debug,
"k|keep!" => \$keep
)
|| !@ARGV
)
{
$command = "usage";
} else {
$command = shift @ARGV;
}
my $i = $commands{$command};
if (!defined $i) {
error "Unknown subcommand \"$command\"";
}
# Check that the right number of args were passed by user.
if (defined $i->[1] && @ARGV != $i->[1]) {
$command = "usage";
$i = $commands{$command};
}
$i->[0]->(@ARGV);
}
sub comparefiles {
my ($old, $new) = (shift, shift);
system('cmp', '-s', $old, $new);
if ($? == -1 || $? & 127) {
die("Failed to execute cmp: $!\n");
}
return $? >> 8;
}
sub version_from_env {
my ($version, %xdeltas) = @_;
if (exists $ENV{PRISTINE_ALL_XDELTA}) {
my $xdelta = $ENV{PRISTINE_ALL_XDELTA};
if (exists $xdeltas{$xdelta}) {
$version = $xdeltas{$xdelta};
} else {
die "Unknown delta program: $xdelta";
}
}
return $version;
}
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