use strict;
use warnings;
-use Cwd qw/abs_path/;
+use Cwd ();
+use List::Util qw/reduce/;
use File::Copy ();
use File::Path ();
use File::Spec;
-use IPC::Cmd qw/run can_run/;
+use IPC::Cmd ();
use Parse::CPAN::Meta ();
use CPANPLUS::Error ();
use base qw/CPANPLUS::Dist::Base/;
+use CPANPLUS::Dist::Gentoo::Atom;
+use CPANPLUS::Dist::Gentoo::Guard;
use CPANPLUS::Dist::Gentoo::Maps;
=head1 NAME
=head1 VERSION
-Version 0.07
+Version 0.10
=cut
-our $VERSION = '0.07';
+our $VERSION = '0.10';
=head1 SYNOPSIS
=head1 INSTALLATION
-After installing this module, you should append C<perl-gcpanp> to your F</etc/portage/categories> file.
+Before installing this module, you should append C<perl-gcpanp> to your F</etc/portage/categories> file.
+
+You have two ways for installing this module :
+
+=over 4
+
+=item *
+
+Use the perl overlay located at L<http://git.overlays.gentoo.org/gitweb/?p=proj/perl-overlay.git>.
+It contains an ebuild for L<CPANPLUS::Dist::Gentoo>.
+
+=item *
+
+Bootstrap an ebuild for L<CPANPLUS::Dist::Gentoo> using itself.
+Note that if your Gentoo system C<perl> is C<5.8.x>, L<CPANPLUS> and its dependencies are not installed and not even available in the main portage tree.
+So you need to bootstrap them as well.
+
+First, fetch tarballs for L<CPANPLUS> and L<CPANPLUS::Dist::Gentoo> :
+
+ $ cd /tmp
+ $ wget http://search.cpan.org/CPAN/authors/id/B/BI/BINGOS/CPANPLUS-0.9003.tar.gz
+ $ wget http://search.cpan.org/CPAN/authors/id/V/VP/VPIT/CPANPLUS-Dist-Gentoo-0.10.tar.gz
+
+Log in as root and unpack them in e.g. your home directory :
+
+ # cd
+ # tar xzf /tmp/CPANPLUS-0.9003.tar.gz
+ # tar xzf /tmp/CPANPLUS-Dist-Gentoo-0.10.tar.gz
+
+Set up environment variables so that the toolchain is temporarily available :
+
+ # export OLDPATH=$PATH
+ # export PATH=/root/CPANPLUS-0.9003/bin:$PATH
+ # export PERL5LIB=/root/CPANPLUS-Dist-Gentoo-0.10/blib/lib:/root/CPANPLUS-0.9003/lib:/root/CPANPLUS-0.9003/inc/bundle
+
+Make sure you don't have an old C<.cpanplus> configuration visible :
+
+ # [ -d /root/.cpanplus ] && mv /root/.cpanplus{,.bak}
+
+Bootstrap L<CPANPLUS> :
+
+ # cd /root/CPANPLUS-Dist-Gentoo-0.10
+ # samples/g-cpanp CPANPLUS
+
+Reset the environment :
+
+ # export PATH=$OLDPATH
+ # unset PERL5LIB OLDPATH
+
+Emerge L<CPANPLUS> with the ebuilds you've just generated :
+
+ # emerge -tv CPANPLUS
+
+As of september 2009, C<podlators> and C<ExtUtils-MakeMaker> may fail to emerge due to collisions.
+You can work around this by disabling the C<protect-owned> C<FEATURE> for them :
+
+ # FEATURES="-protect-owned" emerge podlators
+ # FEATURES="-protect-owned" emerge ExtUtils-MakeMaker
+
+You may need to run each of these commands two times for them to succeed.
+
+At this point, you can bootstrap L<CPANPLUS::Dist::Gentoo> using the system L<CPANPLUS> :
+
+ # PERL5LIB=/root/CPANPLUS-Dist-Gentoo-0.10/blib/lib samples/g-cpanp CPANPLUS::Dist::Gentoo
+ # emerge -tv CPANPLUS-Dist-Gentoo
+
+=back
=head1 METHODS
return $format_available if defined $format_available;
for my $prog (qw/emerge ebuild/) {
- unless (can_run($prog)) {
+ unless (IPC::Cmd::can_run($prog)) {
__PACKAGE__->_abort("$prog is required to write ebuilds");
return $format_available = 0;
}
if (IPC::Cmd->can_capture_buffer) {
my $buffers;
- my ($success, $errmsg) = run command => [ qw/emerge --info/ ],
- verbose => 0,
- buffer => \$buffers;
+ my ($success, $errmsg) = IPC::Cmd::run(
+ command => [ qw/emerge --info/ ],
+ verbose => 0,
+ buffer => \$buffers,
+ );
if ($success) {
if ($buffers =~ /^PORTDIR_OVERLAY=(.*)$/m) {
- $overlays = [ map abs_path($_), split ' ', $unquote->($1) ];
+ $overlays = [ map Cwd::abs_path($_), split ' ', $unquote->($1) ];
}
if ($buffers =~ /^ACCEPT_KEYWORDS=(.*)$/m) {
$default_keywords = [ split ' ', $unquote->($1) ];
}
if ($buffers =~ /^DISTDIR=(.*)$/m) {
- $default_distdir = abs_path($unquote->($1));
+ $default_distdir = Cwd::abs_path($unquote->($1));
}
if ($buffers =~ /^PORTDIR=(.*)$/m) {
- $main_portdir = abs_path($unquote->($1));
+ $main_portdir = Cwd::abs_path($unquote->($1));
}
} else {
__PACKAGE__->_abort($errmsg);
my $conf = $self->parent->parent->configure_object;
$stat->mk_accessors(qw/name version author distribution desc uri src license
- fetched_arch deps
+ meta min_perl
+ fetched_arch requires
ebuild_name ebuild_version ebuild_dir ebuild_file
portdir_overlay
overlay distdir keywords do_manifest header footer
my $OK = sub { $stat->prepared(1); 1 };
my $FAIL = sub { $stat->prepared(0); $self->_abort(@_) if @_; 0 };
+ my $SKIP = sub { $stat->prepared(1); $stat->created(1); $self->_skip(@_) if @_; 1 };
- my $keywords = delete $opts{'keywords'};
+ my $keywords = delete $opts{keywords};
if (defined $keywords) {
$keywords = [ split ' ', $keywords ];
} else {
}
$stat->keywords($keywords);
- my $manifest = delete $opts{'manifest'};
+ my $manifest = delete $opts{manifest};
$manifest = 1 unless defined $manifest;
$manifest = 0 if $manifest =~ /^\s*no?\s*$/i;
$stat->do_manifest($manifest);
- my $header = delete $opts{'header'};
+ my $header = delete $opts{header};
if (defined $header) {
1 while chomp $header;
$header .= "\n\n";
} else {
- $header = '';
+ my $year = (localtime)[5] + 1900;
+ $header = <<" DEF_HEADER";
+# Copyright 1999-$year Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+# \$Header: \$
+ DEF_HEADER
}
$stat->header($header);
- my $footer = delete $opts{'footer'};
+ my $footer = delete $opts{footer};
if (defined $footer) {
$footer = "\n" . $footer;
} else {
}
$stat->footer($footer);
- my $overlay = delete $opts{'overlay'};
- $overlay = (defined $overlay) ? abs_path $overlay : '/usr/local/portage';
+ my $overlay = delete $opts{overlay};
+ $overlay = (defined $overlay) ? Cwd::abs_path($overlay) : '/usr/local/portage';
$stat->overlay($overlay);
- my $distdir = delete $opts{'distdir'};
- $distdir = (defined $distdir) ? abs_path $distdir : $default_distdir;
+ my $distdir = delete $opts{distdir};
+ $distdir = (defined $distdir) ? Cwd::abs_path($distdir) : $default_distdir;
$stat->distdir($distdir);
- if ($stat->do_manifest && !-w $stat->distdir) {
- return $FAIL->('distdir isn\'t writable');
- }
+ return $FAIL->("distdir isn't writable") if $stat->do_manifest && !-w $distdir;
+
$stat->fetched_arch($mod->status->fetch);
my $cur = File::Spec->curdir();
);
$stat->ebuild_file($file);
- if (-e $file) {
- my $skip = 1;
- if ($stat->force and not $forced{$file}) {
- if (-w $file) {
- 1 while unlink $file;
- $forced{$file} = 1;
- $skip = 0;
- } else {
- $self->_skip("Can't force rewriting of $file");
+ if ($stat->force) {
+ # Always generate an ebuild in our category when forcing
+ if ($forced{$file}) {
+ $stat->dist($file);
+ return $SKIP->('Ebuild already forced for', $stat->distribution);
+ }
+ ++$forced{$file};
+ if (-e $file) {
+ unless (-w $file) {
+ $stat->dist($file);
+ return $SKIP->("Can't force rewriting of $file");
}
- } else {
- $self->_skip('Ebuild already generated for', $stat->distribution);
+ 1 while unlink $file;
}
- if ($skip) {
- $stat->prepared(1);
- $stat->created(1);
- $stat->dist($file);
- return 1;
+ } else {
+ if (my $atom = $self->_cpan2portage($name, $version)) {
+ $stat->dist($atom->ebuild);
+ return $SKIP->('Ebuild already generated for', $stat->distribution);
}
}
- $self->SUPER::prepare(%opts);
-
$stat->prepared(0);
+ $self->SUPER::prepare(@_);
+
+ return $FAIL->() unless $stat->prepared;
+
my $desc = $mod->description;
($desc = $name) =~ s/-+/::/g unless $desc;
$stat->desc($desc);
$stat->uri('http://search.cpan.org/dist/' . $name);
- unless ($author =~ /^(.)(.)/) {
- return $FAIL->('Wrong author name');
- }
- $stat->src("mirror://cpan/modules/by-authors/id/$1/$1$2/$author/"
- . $mod->package);
+ $author =~ /^(.)(.)/ or return $FAIL->('Wrong author name');
+ $stat->src("mirror://cpan/modules/by-authors/id/$1/$1$2/$author/" . $mod->package);
$stat->license($self->intuit_license);
- my $prereqs = $mod->status->prereqs;
- my @depends;
+ my $prereqs = $mod->status->requires;
+ my @requires;
for my $prereq (sort keys %$prereqs) {
next if $prereq =~ /^perl(?:-|\z)/;
my $obj = $int->module_tree($prereq);
- return $FAIL->('Wrong module object') unless $obj;
+ next unless $obj; # Not in the module tree (e.g. Config)
next if $obj->package_is_perl_core;
{
my $version;
$version = $obj->package_version;
}
}
- push @depends, [ $obj->package_name, $version ];
+ push @requires, [ $obj->package_name, $version ];
}
}
- $stat->deps(\@depends);
+ $stat->requires(\@requires);
+
+ $stat->min_perl(CPANPLUS::Dist::Gentoo::Maps::perl_version_c2g(
+ eval { $self->meta->{requires}->{perl} }
+ ));
return $OK->();
}
+=head2 C<meta>
+
+Returns the contents of the F<META.yml> or F<META.json> files as parsed by L<Parse::CPAN::Meta>.
+
+=cut
+
+sub meta {
+ my $self = shift;
+ my $mod = $self->parent;
+ my $stat = $self->status;
+
+ my $meta = $stat->meta;
+ return $meta if defined $meta;
+
+ my $extract_dir = $mod->status->extract;
+
+ for my $name (qw/META.json META.yml/) {
+ my $meta_file = File::Spec->catdir($extract_dir, $name);
+ next unless -e $meta_file;
+
+ my $meta = eval { Parse::CPAN::Meta::LoadFile($meta_file) };
+ if (defined $meta) {
+ $stat->meta($meta);
+ return $meta;
+ }
+ }
+
+ return;
+}
+
=head2 C<intuit_license>
Returns an array reference to a list of Gentoo licences identifiers under which the current distribution is released.
my @licenses = CPANPLUS::Dist::Gentoo::Maps::license_c2g($dslip_license{$1});
return \@licenses if @licenses;
}
- my $extract_dir = $mod->status->extract;
- for my $meta_file (qw/META.json META.yml/) {
- my $meta = eval {
- Parse::CPAN::Meta::LoadFile(File::Spec->catdir(
- $extract_dir,
- $meta_file,
- ));
- } or next;
- my $license = $meta->{license};
- if (defined $license) {
- my @licenses = CPANPLUS::Dist::Gentoo::Maps::license_c2g($license);
- return \@licenses if @licenses;
- }
+ my $license = $self->meta->{license};
+ if (defined $license) {
+ my @licenses = CPANPLUS::Dist::Gentoo::Maps::license_c2g($license);
+ return \@licenses if @licenses;
}
return [ CPANPLUS::Dist::Gentoo::Maps::license_c2g('perl') ];
my $self = shift;
my $stat = $self->status;
- my $OK = sub { $stat->created(1); $stat->dist($stat->ebuild_file); 1 };
- my $FAIL = sub { $stat->created(0); $stat->dist(undef); $self->_abort(@_) if @_; 0 };
+ my $file;
+
+ my $guard = CPANPLUS::Dist::Gentoo::Guard->new(sub {
+ if (defined $file and -e $file and -w _) {
+ 1 while unlink $file;
+ }
+ });
+
+ my $SIG_INT = $SIG{INT};
+ local $SIG{INT} = sub {
+ if ($SIG_INT) {
+ local $@;
+ eval { $SIG_INT->() };
+ die $@ if $@;
+ }
+ die 'Caught SIGINT';
+ };
+
+ my $OK = sub {
+ $guard->unarm;
+ $stat->created(1);
+ $stat->dist($file) if defined $file;
+ 1;
+ };
+
+ my $FAIL = sub {
+ $stat->created(0);
+ $stat->dist(undef);
+ $self->_abort(@_) if @_;
+ 0;
+ };
unless ($stat->prepared) {
return $FAIL->(
if ($stat->created) {
$self->_skip($stat->distribution, 'was already created');
+ $file = $stat->dist; # Keep the existing one.
return $OK->();
}
return $FAIL->("mkpath($dir): $@") if $@;
}
- my $file = $stat->ebuild_file;
- open my $eb, '>', $file or return $FAIL->("open($file): $!");
- print $eb $self->ebuild_source;
- close $eb;
+ $file = $stat->ebuild_file;
+
+ # Create a placeholder ebuild to prevent recursion with circular dependencies.
+ {
+ open my $eb, '>', $file or return $FAIL->("open($file): $!");
+ print $eb "PLACEHOLDER\n";
+ }
$stat->created(0);
$stat->dist(undef);
$self->SUPER::create(@_);
- if ($stat->do_manifest and not $self->update_manifest) {
- 1 while unlink $file;
- return $FAIL->();
+ return $FAIL->() unless $stat->created;
+
+ {
+ open my $eb, '>', $file or return $FAIL->("open($file): $!");
+ my $source = $self->ebuild_source;
+ return $FAIL->() unless defined $source;
+ print $eb $source;
}
+ return $FAIL->() if $stat->do_manifest and not $self->update_manifest;
+
return $OK->();
}
my $stat = $self->status;
my $file = $stat->ebuild_file;
- unless ($file and -e $file) {
+ unless (defined $file and -e $file) {
return $self->_abort('The ebuild file is invalid or does not exist');
}
$self->_notify('Adding Manifest entry for', $stat->distribution);
- return $self->_run([ 'ebuild', $stat->ebuild_file, 'manifest' ], 0);
+ return $self->_run([ 'ebuild', $file, 'manifest' ], 0);
}
=head2 C<ebuild_source>
-Returns the source of the ebuild for the current dist object.
+Returns the source of the ebuild for the current dist object, or C<undef> when one of the dependencies couldn't be mapped to an existing ebuild.
=cut
# We must resolve the deps now and not inside prepare because _cpan2portage
# has to see the ebuilds already generated for the dependencies of the current
# dist.
- my @deps = do {
- my %seen;
- sort grep !$seen{$_}++, 'dev-lang/perl',
- map $self->_cpan2portage(@$_), @{$stat->deps}
- };
+ my @requires;
+ for (@{$stat->requires}) {
+ my $atom = $self->_cpan2portage(@$_);
+ unless (defined $atom) {
+ $self->_abort(
+ "Couldn't find an appropriate ebuild for $_->[0] in the portage tree"
+ );
+ return;
+ }
+ push @requires, $atom;
+ }
+
+ my $min_perl = $stat->min_perl;
+ my $perl = CPANPLUS::Dist::Gentoo::Atom->new(
+ category => 'dev-lang',
+ name => 'perl',
+ (defined $min_perl ? (version => $min_perl, range => '>=') : ()),
+ );
+
+ @requires = CPANPLUS::Dist::Gentoo::Atom->fold($perl, @requires);
my $d = $stat->header;
$d .= "# Generated by CPANPLUS::Dist::Gentoo version $VERSION\n\n";
$d .= "SLOT=\"0\"\n";
$d .= 'LICENSE="|| ( ' . join(' ', sort @{$stat->license}) . " )\"\n";
$d .= 'KEYWORDS="' . join(' ', sort @{$stat->keywords}) . "\"\n";
- $d .= 'DEPEND="' . join("\n", @deps) . "\"\n";
+ $d .= 'RDEPEND="' . join("\n", sort @requires) . "\"\n";
+ $d .= "DEPEND=\"\${RDEPEND}\"\n";
$d .= "SRC_TEST=\"do\"\n";
$d .= $stat->footer;
sub _cpan2portage {
my ($self, $name, $version) = @_;
- $name = CPANPLUS::Dist::Gentoo::Maps::name_c2g($name);
- my $ver;
- $ver = CPANPLUS::Dist::Gentoo::Maps::version_c2g($version) if defined $version;
+ $name = CPANPLUS::Dist::Gentoo::Maps::name_c2g($name);
+ $version = CPANPLUS::Dist::Gentoo::Maps::version_c2g($version);
my @portdirs = ($main_portdir, @{$self->status->portdir_overlay});
for my $category (qw/virtual perl-core dev-perl perl-gcpan/, CATEGORY) {
- my $atom = ($category eq 'virtual' ? 'perl-' : '') . $name;
+ my $name = ($category eq 'virtual' ? 'perl-' : '') . $name;
for my $portdir (@portdirs) {
my @ebuilds = glob File::Spec->catfile(
$portdir,
$category,
- $atom,
- "$atom-*.ebuild",
+ $name,
+ "$name-*.ebuild",
) or next;
- if (defined $ver) { # implies that $version is defined
- for (@ebuilds) {
- my ($eb_ver) = /\Q$atom\E-v?([\d._pr-]+).*?\.ebuild$/;
- return ">=$category/$atom-$ver"
- if defined $eb_ver
- and CPANPLUS::Dist::Gentoo::Maps::version_gcmp($eb_ver, $ver) > 0;
- }
- } else {
- return "$category/$atom";
- }
-
+ my $last = reduce { $a < $b ? $b : $a } # handles overloading
+ map CPANPLUS::Dist::Gentoo::Atom->new_from_ebuild($_),
+ @ebuilds;
+ next if defined $version and $last < $version;
+
+ return CPANPLUS::Dist::Gentoo::Atom->new(
+ category => $last->category,
+ name => $last->name,
+ (defined $version ? (version => $version, range => '>=') : ()),
+ ebuild => $last->ebuild,
+ );
}
}
- $self->_skip(
- "Couldn't find an appropriate ebuild for $name in the portage tree"
- );
-
- return '';
+ return;
}
sub install {
my ($success, $errmsg, $output) = do {
local $ENV{PORTDIR_OVERLAY} = join ' ', @{$stat->portdir_overlay};
local $ENV{PORTAGE_RO_DISTDIRS} = $stat->distdir;
- run command => $cmd, verbose => $verbose;
+ IPC::Cmd::run(
+ command => $cmd,
+ verbose => $verbose,
+ );
};
unless ($success) {
L<CPANPLUS>, L<IPC::Cmd> (core modules since 5.9.5), L<Parse::CPAN::Meta> (since 5.10.1).
-L<Cwd>, L<Carp> (since perl 5), L<File::Path> (5.001), L<File::Copy> (5.002), L<File::Spec> (5.00405).
+L<Cwd>, L<Carp> (since perl 5), L<File::Path> (5.001), L<File::Copy> (5.002), L<File::Spec> (5.00405), L<List::Util> (5.007003).
=head1 SEE ALSO
=head1 COPYRIGHT & LICENSE
-Copyright 2008-2009 Vincent Pit, all rights reserved.
+Copyright 2008,2009,2010 Vincent Pit, all rights reserved.
This program is free software; you can redistribute it and/or modify it under the same terms as Perl itself.