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package File::ShareDir::Install;
use 5.008;
use strict;
use warnings;
use Carp;
use File::Spec;
use IO::Dir;
our $VERSION = '0.04';
our @DIRS;
our %TYPES;
require Exporter;
our @ISA = qw( Exporter);
our @EXPORT = qw( install_share );
our @EXPORT_OK = qw( postamble install_share );
#####################################################################
sub install_share
{
my $dir = @_ ? pop : 'share';
my $type = @_ ? shift : 'dist';
unless ( defined $type and $type eq 'module' or $type eq 'dist' ) {
confess "Illegal or invalid share dir type '$type'";
}
unless ( defined $dir and -d $dir ) {
confess "Illegal or missing directory '$dir'";
}
if( $type eq 'dist' and @_ ) {
confess "Too many parameters to share_dir";
}
push @DIRS, $dir;
$TYPES{$dir} = [ $type ];
if( $type eq 'module' ) {
my $module = _CLASS( $_[0] );
unless ( defined $module ) {
confess "Missing or invalid module name '$_[0]'";
}
push @{ $TYPES{$dir} }, $module;
}
}
#####################################################################
sub postamble
{
my $self = shift;
my @ret; # = $self->SUPER::postamble( @_ );
foreach my $dir ( @DIRS ) {
push @ret, __postamble_share_dir( $self, $dir, @{ $TYPES{ $dir } } );
}
return join "\n", @ret;
}
#####################################################################
sub __postamble_share_dir
{
my( $self, $dir, $type, $mod ) = @_;
my( $idir );
if ( $type eq 'dist' ) {
$idir = File::Spec->catdir( '$(INST_LIB)',
qw( auto share dist ),
'$(DISTNAME)'
);
} else {
my $module = $mod;
$module =~ s/::/-/g;
$idir = File::Spec->catdir( '$(INST_LIB)',
qw( auto share module ),
$module
);
}
my $files = {};
_scan_share_dir( $files, $idir, $dir );
my $autodir = '$(INST_LIB)';
my $pm_to_blib = $self->oneliner(<<CODE, ['-MExtUtils::Install']);
pm_to_blib({\@ARGV}, '$autodir')
CODE
my @cmds = $self->split_command( $pm_to_blib, %$files );
my $r = join '', map { "\t\$(NOECHO) $_\n" } @cmds;
# use Data::Dumper;
# die Dumper $files;
# Set up the install
return "config::\n$r";
}
sub _scan_share_dir
{
my( $files, $idir, $dir ) = @_;
my $dh = IO::Dir->new( $dir ) or die "Unable to read $dir: $!";
my $entry;
while( defined( $entry = $dh->read ) ) {
next if $entry =~ /^\./ or $entry =~ /(~|,v)$/;
my $full = File::Spec->catfile( $dir, $entry );
if( -f $full ) {
$files->{ $full } = File::Spec->catfile( $idir, $entry );
}
elsif( -d $full ) {
_scan_share_dir( $files, File::Spec->catdir( $idir, $entry ), $full );
}
}
}
#####################################################################
# Cloned from Params::Util::_CLASS
sub _CLASS ($) {
(
defined $_[0]
and
! ref $_[0]
and
$_[0] =~ m/^[^\W\d]\w*(?:::\w+)*$/s
) ? $_[0] : undef;
}
1;
__END__
=head1 NAME
File::ShareDir::Install - Install shared files
=head1 SYNOPSIS
use ExtUtils::MakeMaker;
use File::ShareDir::Install;
install_share 'share';
install_share dist => 'dist-share';
install_share module => 'My::Module' => 'other-share';
WriteMakefile( ... ); # As you normaly would
package MY;
use File::ShareDir::Install qw(postamble);
=head1 DESCRIPTION
File::ShareDir::Install allows you to install read-only data files from a
distribution. It is a companion module to L<File::ShareDir>, which
allows you to locate these files after installation.
It is a port L<Module::Install::Share> to L<ExtUtils::MakeMaker> with the
improvement of only installing the files you want; C<.svn> and
other source-control junk will be ignored.
=head1 EXPORT
=head2 install_share
install_share $dir;
install_share dist => $dir;
install_share module => $module, $dir;
Causes all the files in C<$dir> and its sub-directories. to be installed
into a per-dist or per-module share directory. Must be called before
L<WriteMakefile>.
The first 2 forms are equivalent.
The files will be installed when you run C<make install>.
To locate the files after installation so they can be used inside your
module, see L<File::ShareDir>.
my $dir = File::ShareDir::module_dir( $module );
Note that if you make multiple calls to C<install_share> on different
directories that contain the same filenames, the last of these calls takes
precedence. In other words, if you do:
install_share 'share1';
install_share 'share2';
And both C<share1> and C<share2> contain a fill called C<info>, the file
C<share2/info> will be installed into your C<dist_dir()>.
=head2 postamble
Exported into the MY package. Only documented here if you need to write your
own postable.
package MY;
use File::ShareDir::Install;
sub postamble {
my $self = shift;
my @ret = File::ShareDir::Install::postamble( $self );
# ... add more things to @ret;
return join "\n", @ret;
}
=head1 SEE ALSO
L<File::ShareDir>, L<Module::Install>.
=head1 AUTHOR
Philip Gwyn, E<lt>gwyn-AT-cpan.orgE<gt>
=head1 COPYRIGHT AND LICENSE
Copyright (C) 2009-2011 by Philip Gwyn
This library is free software; you can redistribute it and/or modify
it under the same terms as Perl itself, either Perl version 5.8.8 or,
at your option, any later version of Perl 5 you may have available.
=cut
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