#!perl
# Generates info for Module::CoreList from this perl tree
-# run this from the root of a clean perl tree
+# run this from the root of a perl tree
+#
+# Data is on STDOUT.
+#
+# With an optional arg specifying the root of a CPAN mirror, outputs the
+# %upstream and %bug_tracker hashes too.
use strict;
use warnings;
use File::Find;
use ExtUtils::MM_Unix;
+use version;
+use lib "Porting";
+use Maintainers qw(%Modules files_to_modules);
+use File::Spec;
+use Parse::CPAN::Meta;
+
+my $corelist_file = 'ext/Module-CoreList/lib/Module/CoreList.pm';
my %lines;
-find(sub {
- /(\.pm|_pm\.PL)$/ or return;
- /PPPort\.pm$/ and return;
- my $module = $File::Find::name;
- $module =~ /\b(demo|t|private)\b/ and return; # demo or test modules
- my $version = MM->parse_version($_);
- defined $version or $version = 'undef';
- $version =~ /\d/ and $version = "'$version'";
- # some heuristics to figure out the module name from the file name
- $module =~ s{^(lib|(win32/|vms/|symbian/)?ext)/}{}
- and $1 ne 'lib'
- and ( $module =~ s{^(.*)/lib/\1\b}{$1},
- $module =~ s{(\w+)/\1\b}{$1},
- $module =~ s{^B/O}{O},
- $module =~ s{^IO_Compress_Base/lib/}{},
- $module =~ s{^IO_Compress_Zlib/(?:lib/)?}{},
- $module =~ s{^Devel/PPPort}{Devel},
- $module =~ s{^Encode/encoding}{encoding},
- $module =~ s{^IPC/SysV/}{IPC/},
- $module =~ s{^List/Util/lib/Scalar}{Scalar},
- $module =~ s{^MIME/Base64/QuotedPrint}{MIME/QuotedPrint},
- $module =~ s{^(?:DynaLoader|Errno|Opcode)/}{},
- );
- $module =~ s{/}{::}g;
- $module =~ s/(\.pm|_pm\.PL)$//;
- $lines{$module} = $version;
-}, 'lib', 'ext', 'vms/ext', 'symbian/ext');
+my %module_to_file;
+my %modlist;
+
+die "usage: $0 [ cpan-mirror/ ] [ 5.x.y] \n" unless @ARGV <= 2;
+my $cpan = shift;
+my $raw_version = shift || $];
+my $perl_version = version->parse("$raw_version");
+my $perl_vnum = $perl_version->numify;
+my $perl_vstring = $perl_version->normal; # how do we get version.pm to not give us leading v?
+$perl_vstring =~ s/^v//;
+
+if ( !-f 'MANIFEST' ) {
+ die "Must be run from the root of a clean perl tree\n";
+}
+
+open( my $corelist_fh, '<', $corelist_file ) || die "Could not open $corelist_file: $!";
+my $corelist = join( '', <$corelist_fh> );
+
+if ($cpan) {
+ my $modlistfile = File::Spec->catfile( $cpan, 'modules', '02packages.details.txt' );
+ my $content;
+
+ my $fh;
+ if ( -e $modlistfile ) {
+ warn "Reading the module list from $modlistfile";
+ open $fh, '<', $modlistfile or die "Couldn't open $modlistfile: $!";
+ } elsif ( -e $modlistfile . ".gz" ) {
+ warn "Reading the module list from $modlistfile.gz";
+ open $fh, '-|', "gzcat $modlistfile.gz" or die "Couldn't zcat $modlistfile.gz: $!";
+ } else {
+ warn "About to fetch 02packages from ftp.funet.fi. This may take a few minutes\n";
+ $content = fetch_url('http://ftp.funet.fi/pub/CPAN/modules/02packages.details.txt');
+ unless ($content) {
+ die "Unable to read 02packages.details.txt from either your CPAN mirror or ftp.funet.fi";
+ }
+ }
+
+ if ( $fh and !$content ) {
+ local $/ = "\n";
+ $content = join( '', <$fh> );
+ }
+
+ die "Incompatible modlist format"
+ unless $content =~ /^Columns: +package name, version, path/m;
+
+ # Converting the file to a hash is about 5 times faster than a regexp flat
+ # lookup.
+ for ( split( qr/\n/, $content ) ) {
+ next unless /^([A-Za-z_:0-9]+) +[-0-9.undefHASHVERSIONvsetwhenloadingbogus]+ +(\S+)/;
+ $modlist{$1} = $2;
+ }
+}
+
+find(
+ sub {
+ /(\.pm|_pm\.PL)$/ or return;
+ /PPPort\.pm$/ and return;
+ my $module = $File::Find::name;
+ $module =~ /\b(demo|t|private)\b/ and return; # demo or test modules
+ my $version = MM->parse_version($_);
+ defined $version or $version = 'undef';
+ $version =~ /\d/ and $version = "'$version'";
+
+ # some heuristics to figure out the module name from the file name
+ $module =~ s{^(lib|(win32/|vms/|symbian/)?ext)/}{}
+ and $1 ne 'lib'
+ and (
+ $module =~ s{\b(\w+)/\1\b}{$1},
+ $module =~ s{^B/O}{O},
+ $module =~ s{^Devel-PPPort}{Devel},
+ $module =~ s{^Encode/encoding}{encoding},
+ $module =~ s{^IPC-SysV/}{IPC/},
+ $module =~ s{^MIME-Base64/QuotedPrint}{MIME/QuotedPrint},
+ $module =~ s{^(?:DynaLoader|Errno|Opcode)/}{},
+ );
+ $module =~ s{/}{::}g;
+ $module =~ s{-}{::}g;
+ $module =~ s{^.*::lib::}{};
+ $module =~ s/(\.pm|_pm\.PL)$//;
+ $lines{$module} = $version;
+ $module_to_file{$module} = $File::Find::name;
+ },
+ 'lib',
+ 'ext',
+ 'vms/ext',
+ 'symbian/ext'
+);
-e 'configpm' and $lines{Config} = 'undef';
-if (open my $ucdv, "<", "lib/unicore/version") {
- chomp (my $ucd = <$ucdv>);
+if ( open my $ucdv, "<", "lib/unicore/version" ) {
+ chomp( my $ucd = <$ucdv> );
$lines{Unicode} = "'$ucd'";
close $ucdv;
+}
+
+my $versions_in_release = " " . $perl_vnum . " => {\n";
+foreach my $key ( sort keys %lines ) {
+ $versions_in_release .= sprintf "\t%-24s=> %s,\n", "'$key'", $lines{$key};
+}
+$versions_in_release .= " },\n";
+
+$corelist =~ s/^(%version\s*=\s*.*?)(^\);)$/$1$versions_in_release$2/xism;
+
+exit unless %modlist;
+
+# We have to go through this two stage lookup, given how Maintainers.pl keys its
+# data by "Module", which is really a dist.
+my $file_to_M = files_to_modules( values %module_to_file );
+
+my %module_to_upstream;
+my %module_to_dist;
+my %dist_to_meta_YAML;
+while ( my ( $module, $file ) = each %module_to_file ) {
+ my $M = $file_to_M->{$file};
+ next unless $M;
+ next if $Modules{$M}{MAINTAINER} eq 'p5p';
+ $module_to_upstream{$module} = $Modules{$M}{UPSTREAM};
+ next
+ if defined $module_to_upstream{$module}
+ && $module_to_upstream{$module} =~ /^(?:blead|first-come)$/;
+ my $dist = $modlist{$module};
+ unless ($dist) {
+ warn "Can't find a distribution for $module\n";
+ next;
+ }
+ $module_to_dist{$module} = $dist;
+
+ next if exists $dist_to_meta_YAML{$dist};
+
+ $dist_to_meta_YAML{$dist} = undef;
+
+ # Like it or lump it, this has to be Unix format.
+ my $meta_YAML_path = "authors/id/$dist";
+ $meta_YAML_path =~ s/(?:tar\.gz|zip)$/meta/ or die "$meta_YAML_path";
+ my $meta_YAML_url = 'http://ftp.funet.fi/pub/CPAN/' . $meta_YAML_path;
+
+ if ( -e "$cpan/$meta_YAML_path" ) {
+ $dist_to_meta_YAML{$dist} = Parse::CPAN::Meta::LoadFile( $cpan . "/" . $meta_YAML_path );
+ } elsif ( my $content = fetch_url($meta_YAML_url) ) {
+ unless ($content) {
+ warn "Failed to fetch $meta_YAML_url\n";
+ next;
+ }
+ eval { $dist_to_meta_YAML{$dist} = Parse::CPAN::Meta::Load($content); };
+ if ( my $err = $@ ) {
+ warn "$meta_YAML_path: ".$err;
+ next;
+ }
+ } else {
+ warn "$meta_YAML_path does not exist for $module\n";
+
+ # I tried code to open the tarballs with Archive::Tar to find and
+ # extract META.yml, but only Text-Tabs+Wrap-2006.1117.tar.gz had one,
+ # so it's not worth including.
+ next;
+ }
+}
+
+my $upstream_stanza = "%upstream = (\n";
+foreach my $module ( sort keys %module_to_upstream ) {
+ my $upstream = defined $module_to_upstream{$module} ? "'$module_to_upstream{$module}'" : 'undef';
+ $upstream_stanza .= sprintf " %-24s=> %s,\n", "'$module'", $upstream;
+}
+$upstream_stanza .= ");";
+
+$corelist =~ s/^%upstream .*? ;$/$upstream_stanza/ismx;
+
+my $tracker = "%bug_tracker = (\n";
+foreach my $module ( sort keys %module_to_upstream ) {
+ my $upstream = defined $module_to_upstream{$module};
+ next
+ if defined $upstream
+ and $upstream eq 'blead' || $upstream eq 'first-come';
+
+ my $bug_tracker;
+
+ my $dist = $module_to_dist{$module};
+ $bug_tracker = $dist_to_meta_YAML{$dist}->{resources}{bugtracker}
+ if $dist;
+
+ $bug_tracker = defined $bug_tracker ? "'$bug_tracker'" : 'undef';
+ next if $bug_tracker eq "'http://rt.perl.org/perlbug/'";
+ $tracker .= sprintf " %-24s=> %s,\n", "'$module'", $bug_tracker;
+}
+$tracker .= ");";
+
+$corelist =~ s/^%bug_tracker .*? ;/$tracker/eismx;
+
+unless ( $corelist =~ /and $perl_vstring releases of perl/ ) {
+ warn "Adding $perl_vstring to the list of perl versions covered by Module::CoreList\n";
+ $corelist =~ s/\s*and (.*?) releases of perl/, $1 and $perl_vstring releases of perl/ism;
+}
+
+unless (
+ $corelist =~ /^%released \s* = \s* \(
+ .*?
+ $perl_vnum => .*?
+ \);/ismx
+ )
+{
+ warn "Adding $perl_vnum to the list of released perl versions. Please consider adding a release date.\n";
+ $corelist =~ s/^(%released \s* = \s* .*?) ( \) )
+ /$1 $perl_vnum => '????-??-??',\n $2/ismx;
+}
+
+write_corelist($corelist);
+
+warn "All done. Please check over $corelist_file carefully before committing. Thanks!\n";
+
+
+sub write_corelist {
+ my $content = shift;
+ open (my $clfh, ">", $corelist_file) || die "Failed to open $corelist_file for writing: $!";
+ print $clfh $content || die "Failed to write the new CoreList.pm: $!";
+ close($clfh);
+}
+
+sub fetch_url {
+ my $url = shift;
+ eval { require LWP::Simple };
+ if ( LWP::Simple->can('get') ) {
+ return LWP::Simple->get($url);
+ } elsif (`which curl`) {
+ return `curl -s $url`;
+ } elsif (`which wget`) {
+ return `wget -q -O - $url`;
}
-print " $] => {\n";
-foreach (sort keys %lines) {
- printf "\t%-24s=> $lines{$_},\n", "'$_'";
}
-print " },\n";