2 # Generates info for Module::CoreList from this perl tree
3 # run this from the root of a perl tree
7 # With an optional arg specifying the root of a CPAN mirror, outputs the
8 # %upstream and %bug_tracker hashes too.
13 no warnings 'experimental::autoderef';
15 use ExtUtils::MM_Unix;
18 use Maintainers qw(%Modules files_to_modules);
20 use Parse::CPAN::Meta;
21 use IPC::Cmd 'can_run';
23 use IO::Uncompress::Gunzip;
25 my $corelist_file = 'dist/Module-CoreList/lib/Module/CoreList.pm';
26 my $utils_file = 'dist/Module-CoreList/lib/Module/CoreList/Utils.pm';
32 die "usage: $0 [ cpan-mirror/ ] [ 5.x.y] \n" unless @ARGV <= 2;
34 my $raw_version = shift || $];
35 my $perl_version = version->parse("$raw_version");
36 my $perl_vnum = $perl_version->numify;
37 my $perl_vstring = $perl_version->normal; # how do we get version.pm to not give us leading v?
38 $perl_vstring =~ s/^v//;
40 if ( !-f 'MANIFEST' ) {
41 die "Must be run from the root of a clean perl tree\n";
44 open( my $corelist_fh, '<', $corelist_file );
45 my $corelist = join( '', <$corelist_fh> );
49 $corelist =~ /^%released \s* = \s* \(
51 $perl_vnum \s* => \s* .*?
55 warn "Adding $perl_vnum to the list of released perl versions. Please consider adding a release date.\n";
56 $corelist =~ s/^(%released \s* = \s* .*?) ( \) )
57 /$1 $perl_vnum => '????-??-??',\n $2/ismx;
61 my $modlistfile = File::Spec->catfile( $cpan, 'modules', '02packages.details.txt' );
65 if ( -e $modlistfile ) {
66 warn "Reading the module list from $modlistfile";
67 open $fh, '<', $modlistfile;
68 } elsif ( -e $modlistfile . ".gz" ) {
69 my $zcat = can_run('gzcat') || can_run('zcat') or die "Can't find gzcat or zcat";
70 warn "Reading the module list from $modlistfile.gz";
71 open $fh, '-|', "$zcat $modlistfile.gz";
73 warn "About to fetch 02packages from ftp.funet.fi. This may take a few minutes\n";
74 my $gzipped_content = fetch_url('http://ftp.funet.fi/pub/CPAN/modules/02packages.details.txt.gz');
75 unless ($gzipped_content) {
76 die "Unable to read 02packages.details.txt from either your CPAN mirror or ftp.funet.fi";
78 IO::Uncompress::Gunzip::gunzip(\$gzipped_content, \$content, Transparent => 0)
79 or die "Can't gunzip content: $IO::Uncompress::Gunzip::GunzipError";
82 if ( $fh and !$content ) {
84 $content = join( '', <$fh> );
87 die "Incompatible modlist format"
88 unless $content =~ /^Columns: +package name, version, path/m;
90 # Converting the file to a hash is about 5 times faster than a regexp flat
92 for ( split( qr/\n/, $content ) ) {
93 next unless /^([A-Za-z_:0-9]+) +[-0-9.undefHASHVERSIONvsetwhenloadingbogus]+ +(\S+)/;
100 /(\.pm|_pm\.PL)$/ or return;
101 /PPPort\.pm$/ and return;
102 my $module = $File::Find::name;
103 $module =~ /\b(demo|t|private)\b/ and return; # demo or test modules
104 my $version = MM->parse_version($_);
105 defined $version or $version = 'undef';
106 $version =~ /\d/ and $version = "'$version'";
108 # some heuristics to figure out the module name from the file name
109 $module =~ s{^(lib|cpan|dist|(?:symbian/)?ext|os2/OS2)/}{}
112 $module =~ s{\b(\w+)/\1\b}{$1},
113 $module =~ s{^B/O}{O},
114 $module =~ s{^Devel-PPPort}{Devel},
115 $module =~ s{^libnet/}{},
116 $module =~ s{^PathTools/}{},
117 $module =~ s{REXX/DLL}{DLL},
118 $module =~ s{^Encode/encoding}{encoding},
119 $module =~ s{^IPC-SysV/}{IPC/},
120 $module =~ s{^MIME-Base64/QuotedPrint}{MIME/QuotedPrint},
121 $module =~ s{^(?:DynaLoader|Errno|Opcode|XSLoader)/}{},
122 $module =~ s{^Sys-Syslog/win32}{Sys-Syslog},
123 $module =~ s{^Time-Piece/Seconds}{Time/Seconds},
125 $module =~ s{^lib/}{}g;
126 $module =~ s{/}{::}g;
127 $module =~ s{-}{::}g;
128 $module =~ s{^.*::lib::}{}; # turns Foo/lib/Foo.pm into Foo.pm
129 $module =~ s/(\.pm|_pm\.PL)$//;
130 $lines{$module} = $version;
131 $module_to_file{$module} = $File::Find::name;
141 -e 'configpm' and $lines{Config} = "$]";
143 if ( open my $ucdv, "<", "lib/unicore/version" ) {
144 chomp( my $ucd = <$ucdv> );
145 $lines{Unicode} = "'$ucd'";
149 my $delta_data = make_corelist_delta(
152 \%Module::CoreList::version
155 my $versions_in_release = " " . $perl_vnum . " => {\n";
156 $versions_in_release .= " delta_from => $delta_data->{delta_from},\n";
157 $versions_in_release .= " changed => {\n";
158 foreach my $key (sort keys $delta_data->{changed}) {
159 $versions_in_release .= sprintf " %-24s=> %s,\n", "'$key'",
160 defined $delta_data->{changed}{$key} ? "'"
161 . $delta_data->{changed}{$key} . "'" : "undef";
163 $versions_in_release .= " },\n";
164 $versions_in_release .= " removed => {\n";
165 for my $key (sort keys($delta_data->{removed} || {})) {
166 $versions_in_release .= sprintf " %-24s=> %s,\n", "'$key'", 1;
168 $versions_in_release .= " }\n";
169 $versions_in_release .= " },\n";
171 $corelist =~ s/^(%delta\s*=\s*.*?)^\s*$perl_vnum\s*=>\s*{.*?},\s*(^\);)$/$1$2/ism;
172 $corelist =~ s/^(%delta\s*=\s*.*?)(^\);)$/$1$versions_in_release$2/ism;
174 exit unless %modlist;
176 # We have to go through this two stage lookup, given how Maintainers.pl keys its
177 # data by "Module", which is really a dist.
178 my $file_to_M = files_to_modules( values %module_to_file );
181 open my $fh, "<:utf8", "$_[0]"
182 or die "can't open $_[0] for reading: $!";
183 return do { local $/; <$fh> };
186 sub parse_cpan_meta($) {
187 return Parse::CPAN::Meta->${
188 $_[0] =~ /\A\x7b/ ? \"load_json_string" : \"load_yaml_string"
192 my %module_to_upstream;
194 my %dist_to_meta_YAML;
195 my %module_to_deprecated;
196 while ( my ( $module, $file ) = each %module_to_file ) {
197 my $M = $file_to_M->{$file};
199 next if $Modules{$M}{MAINTAINER} && $Modules{$M}{MAINTAINER} eq 'P5P';
200 $module_to_upstream{$module} = $Modules{$M}{UPSTREAM};
201 $module_to_deprecated{$module} = 1 if $Modules{$M}{DEPRECATED};
203 if defined $module_to_upstream{$module}
204 && $module_to_upstream{$module} eq 'blead';
205 my $dist = $modlist{$module};
207 warn "Can't find a distribution for $module\n";
210 $module_to_dist{$module} = $dist;
212 next if exists $dist_to_meta_YAML{$dist};
214 $dist_to_meta_YAML{$dist} = undef;
216 # Like it or lump it, this has to be Unix format.
217 my $meta_YAML_path = "authors/id/$dist";
218 $meta_YAML_path =~ s/(?:tar\.gz|tar\.bz2|zip|tgz)$/meta/
219 or die "ERROR: bad meta YAML path: '$meta_YAML_path'";
220 my $meta_YAML_url = 'http://ftp.funet.fi/pub/CPAN/' . $meta_YAML_path;
222 if ( -e "$cpan/$meta_YAML_path" ) {
223 $dist_to_meta_YAML{$dist} = parse_cpan_meta(slurp_utf8( $cpan . "/" . $meta_YAML_path ));
224 } elsif ( my $content = fetch_url($meta_YAML_url) ) {
226 warn "Failed to fetch $meta_YAML_url\n";
229 eval { $dist_to_meta_YAML{$dist} = parse_cpan_meta($content); };
230 if ( my $err = $@ ) {
231 warn "$meta_YAML_path: ".$err;
235 warn "$meta_YAML_path does not exist for $module\n";
237 # I tried code to open the tarballs with Archive::Tar to find and
238 # extract META.yml, but only Text-Tabs+Wrap-2006.1117.tar.gz had one,
239 # so it's not worth including.
244 my $upstream_stanza = "%upstream = (\n";
245 foreach my $module ( sort keys %module_to_upstream ) {
246 my $upstream = defined $module_to_upstream{$module} ? "'$module_to_upstream{$module}'" : 'undef';
247 $upstream_stanza .= sprintf " %-24s=> %s,\n", "'$module'", $upstream;
249 $upstream_stanza .= ");";
251 $corelist =~ s/^%upstream .*? ;$/$upstream_stanza/ismx;
253 # Deprecation generation
255 my $delta_data = make_corelist_delta(
257 \%module_to_deprecated,
258 do { no warnings 'once'; \%Module::CoreList::deprecated },
261 my $deprecated_stanza = " " . $perl_vnum . " => {\n";
262 $deprecated_stanza .= " delta_from => $delta_data->{delta_from},\n";
263 $deprecated_stanza .= " changed => {\n";
264 foreach my $key (sort keys $delta_data->{changed}) {
265 $deprecated_stanza .= sprintf " %-24s=> %s,\n", "'$key'",
266 defined $delta_data->{changed}{$key} ? "'"
267 . $delta_data->{changed}{$key} . "'" : "undef";
269 $deprecated_stanza .= " },\n";
270 $deprecated_stanza .= " removed => {\n";
271 for my $key (sort keys($delta_data->{removed} || {})) {
272 $deprecated_stanza .= sprintf " %-24s=> %s,\n", "'$key'", 1;
274 $deprecated_stanza .= " }\n";
275 $deprecated_stanza .= " },\n";
277 $corelist =~ s/^(%deprecated\s*=\s*.*?)^\s*$perl_vnum\s*=>\s*{.*?},\s*(^\);)$/$1$2/ism;
278 $corelist =~ s/^(%deprecated\s*=\s*.*?)(^\);)$/$1$deprecated_stanza$2/xism;
281 my $tracker = "%bug_tracker = (\n";
282 foreach my $module ( sort keys %module_to_upstream ) {
283 my $upstream = defined $module_to_upstream{$module};
285 if defined $upstream and $upstream eq 'blead';
289 my $dist = $module_to_dist{$module};
290 $bug_tracker = $dist_to_meta_YAML{$dist}->{resources}{bugtracker}
292 $bug_tracker = $bug_tracker->{web} if ref($bug_tracker) eq "HASH";
294 $bug_tracker = defined $bug_tracker ? quote($bug_tracker) : 'undef';
295 next if $bug_tracker eq "'http://rt.perl.org/perlbug/'";
296 $tracker .= sprintf " %-24s=> %s,\n", "'$module'", $bug_tracker;
300 $corelist =~ s/^%bug_tracker .*? ;/$tracker/eismx;
302 write_corelist($corelist,$corelist_file);
304 open( my $utils_fh, '<', $utils_file );
305 my $utils = join( '', <$utils_fh> );
308 my %utils = map { ( $_ => 1 ) } parse_utils_lst();
310 my $delta_utils = make_coreutils_delta($perl_vnum, \%utils);
312 my $utilities_in_release = " " . $perl_vnum . " => {\n";
313 $utilities_in_release .= " delta_from => $delta_utils->{delta_from},\n";
314 $utilities_in_release .= " changed => {\n";
315 foreach my $key (sort keys $delta_utils->{changed}) {
316 $utilities_in_release .= sprintf " %-24s=> %s,\n", "'$key'",
317 defined $delta_utils->{changed}{$key} ? "'"
318 . $delta_utils->{changed}{$key} . "'" : "undef";
320 $utilities_in_release .= " },\n";
321 $utilities_in_release .= " removed => {\n";
322 for my $key (sort keys($delta_utils->{removed} || {})) {
323 $utilities_in_release .= sprintf " %-24s=> %s,\n", "'$key'", 1;
325 $utilities_in_release .= " }\n";
326 $utilities_in_release .= " },\n";
328 $utils =~ s/^(my %delta\s*=\s*.*?)^\s*$perl_vnum\s*=>\s*{.*?},\s*(^\);)$/$1$2/ism;
329 $utils =~ s/^(my %delta\s*=\s*.*?)(^\);)$/$1$utilities_in_release$2/ism;
331 write_corelist($utils,$utils_file);
333 warn "All done. Please check over the following files carefully before committing.\nThanks!\n";
334 warn "$corelist_file\n$utils_file\n";
338 my $filename = shift;
339 open (my $clfh, ">", $filename);
341 print $clfh $content;
347 my $http = HTTP::Tiny->new;
348 my $response = $http->get($url);
349 if ($response->{success}) {
350 return $response->{content};
352 warn "Error fetching $url: $response->{status} $response->{reason}\n";
357 sub make_corelist_delta {
358 my($version, $lines, $existing) = @_;
359 # Trust core perl, if someone does use a weird version number the worst that
360 # can happen is an extra delta entry for a module.
361 my %versions = map { $_ => eval $lines->{$_} } keys %$lines;
363 # Ensure we have the corelist data loaded from this perl checkout, not the system one.
364 require $corelist_file;
367 # Search for the release with the least amount of changes (this avoids having
368 # to ask for where this perl was branched from).
369 for my $previous (reverse sort { $a <=> $b } keys %$existing) {
370 # Shouldn't happen, but ensure we don't load weird data...
371 next if $previous > $version || $previous == $version;
372 my $delta = $deltas{$previous} = {};
373 ($delta->{changed}, $delta->{removed}) = calculate_delta(
374 $existing->{$previous}, \%versions);
377 my $smallest = (sort {
378 ((keys($deltas{$a}->{changed}) + keys($deltas{$a}->{removed})) <=>
379 (keys($deltas{$b}->{changed}) + keys($deltas{$b}->{removed}))) ||
384 delta_from => $smallest,
385 changed => $deltas{$smallest}{changed},
386 removed => $deltas{$smallest}{removed},
390 sub make_coreutils_delta {
391 my($version, $lines) = @_;
392 # Trust core perl, if someone does use a weird version number the worst that
393 # can happen is an extra delta entry for a module.
394 my %utilities = map { $_ => eval $lines->{$_} } keys %$lines;
396 # Ensure we have the corelist data loaded from this perl checkout, not the system one.
400 # Search for the release with the least amount of changes (this avoids having
401 # to ask for where this perl was branched from).
402 for my $previous (reverse sort { $a <=> $b } keys %Module::CoreList::Utils::utilities) {
403 # Shouldn't happen, but ensure we don't load weird data...
404 next if $previous > $version || $previous == $version;
406 my $delta = $deltas{$previous} = {};
407 ($delta->{changed}, $delta->{removed}) = calculate_delta(
408 $Module::CoreList::Utils::utilities{$previous}, \%utilities);
411 my $smallest = (sort {
412 ((keys($deltas{$a}->{changed}) + keys($deltas{$a}->{removed})) <=>
413 (keys($deltas{$b}->{changed}) + keys($deltas{$b}->{removed}))) ||
418 delta_from => $smallest,
419 changed => $deltas{$smallest}{changed},
420 removed => $deltas{$smallest}{removed},
424 # Calculate (changed, removed) modules between two versions.
425 sub calculate_delta {
427 my(%changed, %removed);
429 for my $package(keys $from) {
430 if(not exists $to->{$package}) {
431 $removed{$package} = 1;
435 for my $package(keys $to) {
436 if(!exists $from->{$package}
437 || (defined $from->{$package} && !defined $to->{$package})
438 || (!defined $from->{$package} && defined $to->{$package})
439 || (defined $from->{$package} && defined $to->{$package}
440 && $from->{$package} ne $to->{$package})) {
441 $changed{$package} = $to->{$package};
445 return \%changed, \%removed;
450 # There's gotta be something already doing this properly that we could just
451 # reuse, but I can't quite thing of where to look for it, so I'm gonna do
452 # the simplest possible thing that'll allow me to release 5.17.7. --rafl
457 sub parse_utils_lst {
458 require File::Spec::Unix;
460 open my $fh, '<', 'utils.lst' or die "$!\n";
463 my ($file,$extra) = split m!#!;
465 push @scripts, $file;
466 $extra =~ s!\s+!!g if $extra;
467 if ( $extra and my ($link) = $extra =~ m!^link=(.+?)$! ) {
468 push @scripts, $link;
471 return map { +( File::Spec::Unix->splitpath( $_ ) )[-1] } @scripts;