File update_spec.pl of Package avahi
#! /usr/bin/perl
my $name = $ARGV[0];
$name =~ s,.*/,,;
$name =~ s,\.spec.*,,;
my %attributes = ();
open(FILE, $ARGV[1]) || die 'no attributes';
my $pack = undef;
my $text = undef;
while ( <FILE> ) {
if (/^\+(.*)$/) { $pack = $1; $text = ''; next }
if (/^-(.*)$/) {
if ($pack ne $1) {
die "$pack and $1 do not match";
}
$text =~ s,^\s*,,;
$text =~ s,\s*$,,;
$attributes{$pack} = $text;
$text = undef;
$pack = undef;
next;
}
if (defined $text) {
$text .= $_;
} elsif (/^(\S*)\s*(.*)$/) {
my $attr = $1;
my $string = $2;
$string =~ s,^\s*,,;
$string =~ s,\s*$,,;
$attributes{$attr} = $string;
}
}
close(FILE);
open(FILE, $ARGV[0]);
sub description()
{
if (/^%description\s*(.*)\s*/) {
my $suffix = $1;
my $pname = $name;
if ($suffix =~ m/-n\s*(.*)/) {
$pname = $1;
} else {
$pname = "$name-$suffix" if ($suffix);
}
if (defined $attributes{"description.$pname"}) {
print $_;
my $descr = $attributes{"description.$pname"};
print "$descr\n";
$_ = '';
do {
$_ = <FILE>;
} while ( $_ !~ /^%/ && $_ !~ /^@/ );
print "\n";
description();
}
}
}
# current subpackage
my $pname = $name;
while ( <FILE> )
{
if (/^Name:\s*(.*)/) {
$name = $1;
$pname = $1;
}
description();
if (/^%package\s*(.*)/) {
my $suffix = $1;
if ($suffix =~ m/-n\s*(.*)/) {
$pname = $1;
} else {
$pname = "$name-$1";
}
}
if (/^(Summary:\s*)(.*)$/) {
if (defined $attributes{"summary.$pname"}) {
print $1 . $attributes{"summary.$pname"} ."\n";
next;
}
}
if (/^(License:\s*)(.*)$/) {
if (defined $attributes{"license.$pname"}) {
print $1 . $attributes{"license.$pname"} ."\n";
next;
}
}
if (/^(Group:\s*)(.*)$/) {
if (defined $attributes{"group.$pname"}) {
print $1 . $attributes{"group.$pname"} ."\n";
next;
}
}
print $_;
}
close(FILE);