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#!/usr/bin/perl -w
# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, You can obtain one at http://mozilla.org/MPL/2.0/.
#
# This Source Code Form is "Incompatible With Secondary Licenses", as
# defined by the Mozilla Public License, v. 2.0.
use strict;
use warnings;
use lib qw(. lib);
use Bugzilla;
use Bugzilla::Constants;
use Bugzilla::Util qw(trim);
use File::Basename;
use File::Copy qw(move);
use File::Find;
use File::Path qw(mkpath rmtree);
my $from = $ARGV[0]
or die <<END;
You must specify the name of the extension you are converting from,
as the first argument.
END
my $extension_name = ucfirst($from);
my $extdir = bz_locations()->{'extensionsdir'};
my $from_dir = "$extdir/$from";
if (!-d $from_dir) {
die "$from_dir does not exist.\n";
}
my $to_dir = "$extdir/$extension_name";
if (-d $to_dir) {
die "$to_dir already exists, not converting.\n";
}
if (ON_WINDOWS) {
# There's no easy way to recursively copy a directory on Windows.
print "WARNING: This will modify the contents of $from_dir.\n",
"Press Ctrl-C to stop or any other key to continue...\n";
getc;
move($from_dir, $to_dir)
|| die "rename of $from_dir to $to_dir failed: $!";
}
else {
print "Copying $from_dir to $to_dir...\n";
system("cp", "-r", $from_dir, $to_dir);
}
# Make sure we don't accidentally modify the $from_dir anywhere else
# in this script.
undef $from_dir;
if (!-d $to_dir) {
die "$to_dir was not created.\n";
}
my $version = get_version($to_dir);
move_template_hooks($to_dir);
rename_module_packages($to_dir, $extension_name);
my $install_requirements = get_install_requirements($to_dir);
my ($modules, $subs) = code_files_to_subroutines($to_dir);
my $config_pm = <<END;
package Bugzilla::Extension::$extension_name;
use strict;
use constant NAME => '$extension_name';
$install_requirements
__PACKAGE__->NAME;
END
my $extension_pm = <<END;
package Bugzilla::Extension::$extension_name;
use strict;
use parent qw(Bugzilla::Extension);
$modules
our \$VERSION = '$version';
$subs
__PACKAGE__->NAME;
END
open(my $config_fh, '>', "$to_dir/Config.pm") || die "$to_dir/Config.pm: $!";
print $config_fh $config_pm;
close($config_fh);
open(my $extension_fh, '>', "$to_dir/Extension.pm")
|| die "$to_dir/Extension.pm: $!";
print $extension_fh $extension_pm;
close($extension_fh);
rmtree("$to_dir/code");
unlink("$to_dir/info.pl");
###############
# Subroutines #
###############
sub rename_module_packages {
my ($dir, $name) = @_;
my $lib_dir = "$dir/lib";
# We don't want things like Bugzilla::Extension::Testopia::Testopia.
if (-d "$lib_dir/$name") {
print "Moving contents of $lib_dir/$name into $lib_dir...\n";
foreach my $file (glob("$lib_dir/$name/*")) {
my $dirname = dirname($file);
my $basename = basename($file);
rename($file, "$dirname/../$basename") || warn "$file: $!\n";
}
}
my @modules;
find({ wanted => sub { $_ =~ /\.pm$/i and push(@modules, $_) },
no_chdir => 1 }, $lib_dir);
my %module_rename;
foreach my $file (@modules) {
open(my $fh, '<', $file) || die "$file: $!";
my $content = do { local $/ = undef; <$fh> };
close($fh);
if ($content =~ /^package (\S+);/m) {
my $package = $1;
my $new_name = $file;
$new_name =~ s/^$lib_dir\///;
$new_name =~ s/\.pm$//;
$new_name = join('::', File::Spec->splitdir($new_name));
$new_name = "Bugzilla::Extension::${name}::$new_name";
print "Renaming $package to $new_name...\n";
$content =~ s/^package \Q$package\E;/package \Q$new_name\E;/;
open(my $write_fh, '>', $file) || die "$file: $!";
print $write_fh $content;
close($write_fh);
$module_rename{$package} = $new_name;
}
}
print "Renaming module names inside of library and code files...\n";
my @code_files = glob("$dir/code/*.pl");
rename_modules_internally(\%module_rename, [@modules, @code_files]);
}
sub rename_modules_internally {
my ($rename, $files) = @_;
# We can't use \b because :: matches \b.
my $break = qr/^|[^\w:]|$/;
foreach my $file (@$files) {
open(my $fh, '<', $file) || die "$file: $!";
my $content = do { local $/ = undef; <$fh> };
close($fh);
foreach my $old_name (keys %$rename) {
my $new_name = $rename->{$old_name};
$content =~ s/($break)\Q$old_name\E($break)/$1$new_name$2/gms;
}
open(my $write_fh, '>', $file) || die "$file: $!";
print $write_fh $content;
close($write_fh);
}
}
sub get_version {
my ($dir) = @_;
print "Getting version info from info.pl...\n";
my $info;
{
local @INC = ("$dir/lib", @INC);
$info = do "$dir/info.pl"; die $@ if $@;
}
return $info->{version};
}
sub get_install_requirements {
my ($dir) = @_;
my $file = "$dir/code/install-requirements.pl";
return '' if !-f $file;
print "Moving install-requirements.pl code into Config.pm...\n";
my ($modules, $code) = process_code_file($file);
$modules = join('', @$modules);
$code = join('', @$code);
if ($modules) {
return "$modules\n\n$code";
}
return $code;
}
sub process_code_file {
my ($file) = @_;
open(my $fh, '<', $file) || die "$file: $!";
my $stuff_started;
my (@modules, @code);
foreach my $line (<$fh>) {
$stuff_started = 1 if $line !~ /^#/;
next if !$stuff_started;
next if $line =~ /^use (warnings|strict|lib|Bugzilla)[^\w:]/;
if ($line =~ /^(?:use|require)\b/) {
push(@modules, $line);
}
else {
push(@code, $line);
}
}
close $fh;
return (\@modules, \@code);
}
sub code_files_to_subroutines {
my ($dir) = @_;
my @dir_files = glob("$dir/code/*.pl");
my (@all_modules, @subroutines);
foreach my $file (@dir_files) {
next if $file =~ /install-requirements/;
print "Moving $file code into Extension.pm...\n";
my ($modules, $code) = process_code_file($file);
my @code_lines = map { " $_" } @$code;
my $code_string = join('', @code_lines);
$code_string =~ s/Bugzilla->hook_args/\$args/g;
$code_string =~ s/my\s+\$args\s+=\s+\$args;//gs;
chomp($code_string);
push(@all_modules, @$modules);
my $name = basename($file);
$name =~ s/-/_/;
$name =~ s/\.pl$//;
my $subroutine = <<END;
sub $name {
my (\$self, \$args) = \@_;
$code_string
}
END
push(@subroutines, $subroutine);
}
my %seen_modules = map { trim($_) => 1 } @all_modules;
my $module_string = join("\n", sort keys %seen_modules);
my $subroutine_string = join("\n", @subroutines);
return ($module_string, $subroutine_string);
}
sub move_template_hooks {
my ($dir) = @_;
foreach my $lang (glob("$dir/template/*")) {
next if !_file_matters($lang);
my $hook_container = "$lang/default/hook";
mkpath($hook_container) || warn "$hook_container: $!";
# Hooks can be in all sorts of weird places, including
# template/default/hook.
foreach my $file (glob("$lang/*")) {
next if !_file_matters($file, 1);
my $dirname = basename($file);
print "Moving $file to $hook_container/$dirname...\n";
rename($file, "$hook_container/$dirname") || die "move failed: $!";
}
}
}
sub _file_matters {
my ($path, $tmpl) = @_;
my @ignore = qw(default custom CVS);
my $file = basename($path);
return 0 if grep(lc($_) eq lc($file), @ignore);
# Hidden files
return 0 if $file =~ /^\./;
if ($tmpl) {
return 1 if $file =~ /\.tmpl$/;
}
return 0 if !-d $path;
return 1;
}
__END__
=head1 NAME
extension-convert.pl - Convert extensions from the pre-3.6 format to the
3.6 format.
=head1 SYNOPSIS
contrib/extension-convert.pl name
Converts an extension in the F<extensions/> directory into the new
extension layout for Bugzilla 3.6.
|