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#!/usr/bin/perl -w
#
# In an example:
#
# $ time dpkg-parsechangelog >/dev/null
#
# real 0m0.712s
# user 0m0.656s
# sys 0m0.048s
# $ time ~/things/Dgit/dgit/tests/tstunt/dpkg-parsechangelog >/dev/null
#
# real 0m0.016s
# user 0m0.000s
# sys 0m0.012s
# $
$SIG{__WARN__} = sub { die $_[0]; }; # no use of system, so we avoid #793471
my $infile = "debian/changelog";
#print STDERR ">@ARGV<\n";
my @orgargv = @ARGV;
if (@ARGV && $ARGV[0] =~ s/^-l//) {
$infile = shift @ARGV;
}
if (@ARGV) {
my $strip = $0;
$strip =~ s#/[^/]+$## or die "$0 ?";
foreach my $k (qw(PATH PERLLIB)) {
my @opath = defined $ENV{$k} ? split /\:/, $ENV{$k} : ();
my @npath = grep { $_ ne $strip } @opath;
@npath != @opath or die "$0 $k ".($ENV{$k}//"(undef)")." ?";
$ENV{$k} = join ':', @npath;
delete $ENV{$k} if !@npath;
}
die if $ENV{'DGIT_NO_TSTUNT_CLPARSE'}++;
exec 'dpkg-parsechangelog', @orgargv;
}
use strict;
open C, $infile or die $!;
$!=0; $_ = <C>;
m/^(\S+) \(([^()]+)\) (\S+)\; urgency=(\S+)$/ or die "$!, $_ ?";
print <<END or die $!;
Source: $1
Version: $2
Distribution: $3
Urgency: $4
Changes:
$&
END
my $blanks = 0;
for (;;) {
$!=0; $_ = <C>;
if (m/^ -- ([^<>]+\<\S+\>) (\w[^<>]+\w)$/) {
print <<END or die $!;
Maintainer: $1
Date: $2
END
print "Timestamp: " or die $!;
exec qw(date +%s -d), $2; die $!;
} elsif (m/^ --\s*$/) {
last;
} elsif (!m/\S/) {
$blanks++;
} elsif (m/^ .*\n/) {
print " .\n" x $blanks or die $!;
$blanks=0;
print " $_" or die $!;
} else {
die "$!, $_ ?";
}
}
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