X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=Porting%2Fcorelist.pl;h=5e4e5b139a22990e129b61e016d1b03f6cddb0cb;hb=895db0573cd9583dc82283b895e3e369e2081e45;hp=5c25d0a963a75083e9cab5835ebd6810c691819e;hpb=cc8432b2c2234e63e6e0a56afb004bdbc786967e;p=p5sagit%2Fp5-mst-13.2.git diff --git a/Porting/corelist.pl b/Porting/corelist.pl index 5c25d0a..5e4e5b1 100644 --- a/Porting/corelist.pl +++ b/Porting/corelist.pl @@ -1,48 +1,255 @@ #!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 $corelist_file = 'dist/Module-CoreList/lib/Module/CoreList.pm'; my %lines; -find(sub { - /(\.pm|_pm\.PL)$/ 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{sprintf "\t%-24s=> $version,\n", "'$module'"}++; -}, 'lib', 'ext', 'vms/ext', 'symbian/ext'); - --e 'configpm' and $lines{sprintf "\t%-24s=> undef,\n", "'Config'"}++; - -if (open my $ucdv, "<", "lib/unicore/version") { - chomp (my $ucd = <$ucdv>); - $lines{sprintf "\t%-24s=> '$ucd',\n", "'Unicode'"}++; +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|cpan|dist|(?: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{^libnet/}{}, + $module =~ s{^Encode/encoding}{encoding}, + $module =~ s{^IPC-SysV/}{IPC/}, + $module =~ s{^MIME-Base64/QuotedPrint}{MIME/QuotedPrint}, + $module =~ s{^(?:DynaLoader|Errno|Opcode)/}{}, + ); + $module =~ s{^lib/}{}g; + $module =~ s{/}{::}g; + $module =~ s{-}{::}g; + $module =~ s{^.*::lib::}{}; # turns Foo/lib/Foo.pm into Foo.pm + $module =~ s/(\.pm|_pm\.PL)$//; + $lines{$module} = $version; + $module_to_file{$module} = $File::Find::name; + }, + 'vms/ext', + 'symbian/ext', + 'lib', + 'ext', + 'cpan', + 'dist' +); + +-e 'configpm' and $lines{Config} = 'undef'; + +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"; -print sort keys %lines; -print " },\n"; +}