diff options
author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-14 13:42:30 +0000 |
---|---|---|
committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-14 13:42:30 +0000 |
commit | 75808db17caf8b960b351e3408e74142f4c85aac (patch) | |
tree | 7989e9c09a4240248bf4658a22208a0a52d991c4 /lib/Lintian/Processable/Diffstat.pm | |
parent | Initial commit. (diff) | |
download | lintian-75808db17caf8b960b351e3408e74142f4c85aac.tar.xz lintian-75808db17caf8b960b351e3408e74142f4c85aac.zip |
Adding upstream version 2.117.0.upstream/2.117.0upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'lib/Lintian/Processable/Diffstat.pm')
-rw-r--r-- | lib/Lintian/Processable/Diffstat.pm | 162 |
1 files changed, 162 insertions, 0 deletions
diff --git a/lib/Lintian/Processable/Diffstat.pm b/lib/Lintian/Processable/Diffstat.pm new file mode 100644 index 0000000..82a3b28 --- /dev/null +++ b/lib/Lintian/Processable/Diffstat.pm @@ -0,0 +1,162 @@ +# -*- perl -*- Lintian::Processable::Diffstat -- access to collected diffstat data +# +# Copyright (C) 1998 Richard Braakman +# Copyright (C) 2019-2020 Felix Lechner +# +# 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 <http://www.gnu.org/licenses/>. + +package Lintian::Processable::Diffstat; + +use v5.20; +use warnings; +use utf8; + +use Const::Fast; +use IPC::Run3; +use Path::Tiny; +use Unicode::UTF8 qw(encode_utf8 decode_utf8); + +use Moo::Role; +use namespace::clean; + +const my $COLON => q{:}; +const my $UNDERSCORE => q{_}; +const my $NEWLINE => qq{\n}; + +const my $OPEN_PIPE => q{-|}; +const my $WAIT_STATUS_SHIFT => 8; + +=head1 NAME + +Lintian::Processable::Diffstat - access to collected diffstat data + +=head1 SYNOPSIS + + use Lintian::Processable; + +=head1 DESCRIPTION + +Lintian::Processable::Diffstat provides an interface to diffstat data. + +=head1 INSTANCE METHODS + +=over 4 + +=item diffstat + +Returns the path to diffstat output run on the Debian packaging diff +(a.k.a. the "diff.gz") for 1.0 non-native packages. For source +packages without a "diff.gz" component, this returns the path to an +empty file (this may be a device like /dev/null). + +=cut + +has diffstat => ( + is => 'rw', + lazy => 1, + default => sub { + my ($self) = @_; + + my $noepoch = $self->fields->value('Version'); + + # strip epoch + $noepoch =~ s/^\d://; + + # look for a format 1.0 diff.gz near the input file + my $diffname = $self->name . $UNDERSCORE . $noepoch . '.diff.gz'; + return {} + unless exists $self->files->{$diffname}; + + my $diffpath = path($self->path)->parent->child($diffname)->stringify; + return {} + unless -e $diffpath; + + my @gunzip_command = ('gunzip', '--stdout', $diffpath); + my $gunzip_pid = open(my $from_gunzip, $OPEN_PIPE, @gunzip_command) + or die encode_utf8("Cannot run @gunzip_command: $!"); + + my $stdout; + my $stderr; + my @diffstat_command = qw(diffstat -p1); + run3(\@diffstat_command, $from_gunzip, \$stdout, \$stderr); + my $status = ($? >> $WAIT_STATUS_SHIFT); + + $stdout = decode_utf8($stdout) + if length $stdout; + $stderr = decode_utf8($stderr) + if length $stderr; + + if ($status) { + + my $message= "Non-zero status $status from @diffstat_command"; + $message .= $COLON . $NEWLINE . $stderr + if length $stderr; + + die encode_utf8($message); + } + + close $from_gunzip + or + warn encode_utf8("close failed for handle from @gunzip_command: $!"); + + waitpid($gunzip_pid, 0); + + # remove summary in last line + chomp $stdout; + $stdout =~ s/.*\Z//; + + my %diffstat; + + my @lines = split(/\n/, $stdout); + for my $line (@lines) { + + next + unless $line =~ s/\|\s*([^|]*)\s*$//; + + my $stats = $1; + my $file = $line; + + # trim both ends + $file =~ s/^\s+|\s+$//g; + + die encode_utf8("syntax error in diffstat file: $line") + unless length $file; + + $diffstat{$file} = $stats; + } + + return \%diffstat; + } +); + +1; + +=back + +=head1 AUTHOR + +Originally written by Felix Lechner <felix.lechner@lease-up.com> for +Lintian. + +=head1 SEE ALSO + +lintian(1) + +=cut + +# Local Variables: +# indent-tabs-mode: nil +# cperl-indent-level: 4 +# End: +# vim: syntax=perl sw=4 sts=4 sr et |