Index: third_party/dpkg-dev/scripts/Dpkg/Source/Functions.pm |
diff --git a/third_party/dpkg-dev/scripts/Dpkg/Source/Functions.pm b/third_party/dpkg-dev/scripts/Dpkg/Source/Functions.pm |
deleted file mode 100644 |
index b61d0af0205edd6928983ca2355b4ff527675d23..0000000000000000000000000000000000000000 |
--- a/third_party/dpkg-dev/scripts/Dpkg/Source/Functions.pm |
+++ /dev/null |
@@ -1,120 +0,0 @@ |
-# This program is free software; you can redistribute it and/or modify |
-# it under the terms of the GNU General Public License as published by |
-# the Free Software Foundation; either version 2 of the License, or |
-# (at your option) any later version. |
-# |
-# This program is distributed in the hope that it will be useful, |
-# but WITHOUT ANY WARRANTY; without even the implied warranty of |
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
-# GNU General Public License for more details. |
-# |
-# You should have received a copy of the GNU General Public License |
-# along with this program. If not, see <https://www.gnu.org/licenses/>. |
- |
-package Dpkg::Source::Functions; |
- |
-use strict; |
-use warnings; |
- |
-our $VERSION = '0.01'; |
- |
-use Exporter qw(import); |
-our @EXPORT_OK = qw(erasedir fixperms fs_time is_binary); |
- |
-use Dpkg::ErrorHandling; |
-use Dpkg::Gettext; |
-use Dpkg::IPC; |
- |
-use POSIX qw(:errno_h); |
- |
-sub erasedir { |
- my ($dir) = @_; |
- if (not lstat($dir)) { |
- return if $! == ENOENT; |
- syserr(_g('cannot stat directory %s (before removal)'), $dir); |
- } |
- system 'rm','-rf','--',$dir; |
- subprocerr("rm -rf $dir") if $?; |
- if (not stat($dir)) { |
- return if $! == ENOENT; |
- syserr(_g("unable to check for removal of dir `%s'"), $dir); |
- } |
- error(_g("rm -rf failed to remove `%s'"), $dir); |
-} |
- |
-sub fixperms { |
- my ($dir) = @_; |
- my ($mode, $modes_set); |
- # Unfortunately tar insists on applying our umask _to the original |
- # permissions_ rather than mostly-ignoring the original |
- # permissions. We fix it up with chmod -R (which saves us some |
- # work) but we have to construct a u+/- string which is a bit |
- # of a palaver. (Numeric doesn't work because we need [ugo]+X |
- # and [ugo]=<stuff> doesn't work because that unsets sgid on dirs.) |
- $mode = 0777 & ~umask; |
- for my $i (0 .. 2) { |
- $modes_set .= ',' if $i; |
- $modes_set .= qw(u g o)[$i]; |
- for my $j (0 .. 2) { |
- $modes_set .= $mode & (0400 >> ($i * 3 + $j)) ? '+' : '-'; |
- $modes_set .= qw(r w X)[$j]; |
- } |
- } |
- system('chmod', '-R', '--', $modes_set, $dir); |
- subprocerr("chmod -R -- $modes_set $dir") if $?; |
-} |
- |
-# Touch the file and read the resulting mtime. |
-# |
-# If the file doesn't exist, create it, read the mtime and unlink it. |
-# |
-# Use this instead of time() when the timestamp is going to be |
-# used to set file timestamps. This avoids confusion when an |
-# NFS server and NFS client disagree about what time it is. |
-sub fs_time($) { |
- my ($file) = @_; |
- my $is_temp = 0; |
- if (not -e $file) { |
- open(my $temp_fh, '>', $file) or syserr(_g('cannot write %s')); |
- close($temp_fh); |
- $is_temp = 1; |
- } else { |
- utime(undef, undef, $file) or |
- syserr(_g('cannot change timestamp for %s'), $file); |
- } |
- stat($file) or syserr(_g('cannot read timestamp from %s'), $file); |
- my $mtime = (stat(_))[9]; |
- unlink($file) if $is_temp; |
- return $mtime; |
-} |
- |
-sub is_binary($) { |
- my ($file) = @_; |
- |
- # TODO: might want to reimplement what diff does, aka checking if the |
- # file contains \0 in the first 4Kb of data |
- |
- # Use diff to check if it's a binary file |
- my $diffgen; |
- my $diff_pid = spawn( |
- exec => [ 'diff', '-u', '--', '/dev/null', $file ], |
- env => { LC_ALL => 'C', LANG => 'C', TZ => 'UTC0' }, |
- to_pipe => \$diffgen, |
- ); |
- my $result = 0; |
- local $_; |
- while (<$diffgen>) { |
- if (m/^(?:binary|[^-+\@ ].*\bdiffer\b)/i) { |
- $result = 1; |
- last; |
- } elsif (m/^[-+\@ ]/) { |
- $result = 0; |
- last; |
- } |
- } |
- close($diffgen) or syserr('close on diff pipe'); |
- wait_child($diff_pid, nocheck => 1, cmdline => "diff -u -- /dev/null $file"); |
- return $result; |
-} |
- |
-1; |