scripts/dpkg-distaddfile.pl

   1 #!/usr/bin/perl
   2 #
   3 # dpkg-distaddfile
   4 #
   5 # Copyright © 1996 Ian Jackson
   6 # Copyright © 2006-2008,2010,2012-2014 Guillem Jover <guillem@debian.org>
   7 #
   8 # This program is free software; you can redistribute it and/or modify
   9 # it under the terms of the GNU General Public License as published by
  10 # the Free Software Foundation; either version 2 of the License, or
  11 # (at your option) any later version.
  12 #
  13 # This program is distributed in the hope that it will be useful,
  14 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 # GNU General Public License for more details.
  17 #
  18 # You should have received a copy of the GNU General Public License
  19 # along with this program.  If not, see <https://www.gnu.org/licenses/>.
  20
  21 use strict;
  22 use warnings;
  23
  24 use POSIX qw(:errno_h :fcntl_h);
  25
  26 use Dpkg ();
  27 use Dpkg::Gettext;
  28 use Dpkg::ErrorHandling;
  29 use Dpkg::Lock;
  30 use Dpkg::Dist::Files;
  31
  32 textdomain('dpkg-dev');
  33
  34 my $fileslistfile = 'debian/files';
  35
  36
  37 sub version {
  38     printf g_("Debian %s version %s.\n"), $Dpkg::PROGNAME, $Dpkg::PROGVERSION;
  39
  40     printf g_('
  41 This is free software; see the GNU General Public License version 2 or
  42 later for copying conditions. There is NO warranty.
  43 ');
  44 }
  45
  46 sub usage {
  47     printf g_(
  48 'Usage: %s [<option>...] <filename> <section> <priority>
  49
  50 Options:
  51   -f<files-list-file>      write files here instead of debian/files.
  52   -?, --help               show this help message.
  53       --version            show the version.
  54 '), $Dpkg::PROGNAME;
  55 }
  56
  57 while (@ARGV && $ARGV[0] =~ m/^-/) {
  58     $_ = shift @ARGV;
  59     if (m/^-f/p) {
  60         $fileslistfile = ${^POSTMATCH};
  61     } elsif (m/^-(?:\?|-help)$/) {
  62         usage();
  63         exit(0);
  64     } elsif (m/^--version$/) {
  65         version();
  66         exit(0);
  67     } elsif (m/^--$/) {
  68         last;
  69     } else {
  70         usageerr(g_("unknown option '%s'"), $_);
  71     }
  72 }
  73 usageerr(g_('need exactly a filename, section and priority')) if @ARGV != 3;
  74
  75 my ($filename, $section, $priority) = @ARGV;
  76
  77 ($filename =~ m/\s/ || $section =~ m/\s/ || $priority =~ m/\s/) &&
  78     error(g_('filename, section and priority may contain no whitespace'));
  79
  80 # Obtain a lock on debian/control to avoid simultaneous updates
  81 # of debian/files when parallel building is in use
  82 my $lockfh;
  83 my $lockfile = 'debian/control';
  84 sysopen($lockfh, $lockfile, O_WRONLY)
  85     or syserr(g_('cannot write %s'), $lockfile);
  86 file_lock($lockfh, $lockfile);
  87
  88 my $dist = Dpkg::Dist::Files->new();
  89 $dist->load($fileslistfile) if -e $fileslistfile;
  90 $dist->add_file($filename, $section, $priority);
  91 $dist->save("$fileslistfile.new");
  92
  93 rename("$fileslistfile.new", $fileslistfile)
  94     or syserr(g_('install new files list file'));
  95
  96 # Release the lock
  97 close($lockfh) or syserr(g_('cannot close %s'), $lockfile);