Commit | Line | Data |
3fea05b9 |
1 | package CPAN::Index; |
2 | use strict; |
3 | use vars qw($LAST_TIME $DATE_OF_02 $DATE_OF_03 $HAVE_REANIMATED $VERSION); |
4 | $VERSION = "1.93"; |
5 | @CPAN::Index::ISA = qw(CPAN::Debug); |
6 | $LAST_TIME ||= 0; |
7 | $DATE_OF_03 ||= 0; |
8 | # use constant PROTOCOL => "2.0"; # outcommented to avoid warning on upgrade from 1.57 |
9 | sub PROTOCOL { 2.0 } |
10 | |
11 | #-> sub CPAN::Index::force_reload ; |
12 | sub force_reload { |
13 | my($class) = @_; |
14 | $CPAN::Index::LAST_TIME = 0; |
15 | $class->reload(1); |
16 | } |
17 | |
18 | my @indexbundle = |
19 | ( |
20 | { |
21 | reader => "rd_authindex", |
22 | dir => "authors", |
23 | remotefile => '01mailrc.txt.gz', |
24 | shortlocalfile => '01mailrc.gz', |
25 | }, |
26 | { |
27 | reader => "rd_modpacks", |
28 | dir => "modules", |
29 | remotefile => '02packages.details.txt.gz', |
30 | shortlocalfile => '02packag.gz', |
31 | }, |
32 | { |
33 | reader => "rd_modlist", |
34 | dir => "modules", |
35 | remotefile => '03modlist.data.gz', |
36 | shortlocalfile => '03mlist.gz', |
37 | }, |
38 | ); |
39 | |
40 | #-> sub CPAN::Index::reload ; |
41 | sub reload { |
42 | my($self,$force) = @_; |
43 | my $time = time; |
44 | |
45 | # XXX check if a newer one is available. (We currently read it |
46 | # from time to time) |
47 | for ($CPAN::Config->{index_expire}) { |
48 | $_ = 0.001 unless $_ && $_ > 0.001; |
49 | } |
50 | unless (1 || $CPAN::Have_warned->{readmetadatacache}++) { |
51 | # debug here when CPAN doesn't seem to read the Metadata |
52 | require Carp; |
53 | Carp::cluck("META-PROTOCOL[$CPAN::META->{PROTOCOL}]"); |
54 | } |
55 | unless ($CPAN::META->{PROTOCOL}) { |
56 | $self->read_metadata_cache; |
57 | $CPAN::META->{PROTOCOL} ||= "1.0"; |
58 | } |
59 | if ( $CPAN::META->{PROTOCOL} < PROTOCOL ) { |
60 | # warn "Setting last_time to 0"; |
61 | $LAST_TIME = 0; # No warning necessary |
62 | } |
63 | if ($LAST_TIME + $CPAN::Config->{index_expire}*86400 > $time |
64 | and ! $force) { |
65 | # called too often |
66 | # CPAN->debug("LAST_TIME[$LAST_TIME]index_expire[$CPAN::Config->{index_expire}]time[$time]"); |
67 | } elsif (0) { |
68 | # IFF we are developing, it helps to wipe out the memory |
69 | # between reloads, otherwise it is not what a user expects. |
70 | undef $CPAN::META; # Neue Gruendlichkeit since v1.52(r1.274) |
71 | $CPAN::META = CPAN->new; |
72 | } else { |
73 | my($debug,$t2); |
74 | local $LAST_TIME = $time; |
75 | local $CPAN::META->{PROTOCOL} = PROTOCOL; |
76 | |
77 | my $needshort = $^O eq "dos"; |
78 | |
79 | INX: for my $indexbundle (@indexbundle) { |
80 | my $reader = $indexbundle->{reader}; |
81 | my $localfile = $needshort ? $indexbundle->{shortlocalfile} : $indexbundle->{remotefile}; |
82 | my $localpath = File::Spec->catfile($indexbundle->{dir}, $localfile); |
83 | my $remote = join "/", $indexbundle->{dir}, $indexbundle->{remotefile}; |
84 | my $localized = $self->reload_x($remote, $localpath, $force); |
85 | $self->$reader($localized); # may die but we let the shell catch it |
86 | if ($CPAN::DEBUG){ |
87 | $t2 = time; |
88 | $debug = "timing reading 01[".($t2 - $time)."]"; |
89 | $time = $t2; |
90 | } |
91 | return if $CPAN::Signal; # this is sometimes lengthy |
92 | } |
93 | $self->write_metadata_cache; |
94 | if ($CPAN::DEBUG){ |
95 | $t2 = time; |
96 | $debug .= "03[".($t2 - $time)."]"; |
97 | $time = $t2; |
98 | } |
99 | CPAN->debug($debug) if $CPAN::DEBUG; |
100 | } |
101 | if ($CPAN::Config->{build_dir_reuse}) { |
102 | $self->reanimate_build_dir; |
103 | } |
104 | if (CPAN::_sqlite_running()) { |
105 | $CPAN::SQLite->reload(time => $time, force => $force) |
106 | if not $LAST_TIME; |
107 | } |
108 | $LAST_TIME = $time; |
109 | $CPAN::META->{PROTOCOL} = PROTOCOL; |
110 | } |
111 | |
112 | #-> sub CPAN::Index::reanimate_build_dir ; |
113 | sub reanimate_build_dir { |
114 | my($self) = @_; |
115 | unless ($CPAN::META->has_inst($CPAN::Config->{yaml_module}||"YAML")) { |
116 | return; |
117 | } |
118 | return if $HAVE_REANIMATED++; |
119 | my $d = $CPAN::Config->{build_dir}; |
120 | my $dh = DirHandle->new; |
121 | opendir $dh, $d or return; # does not exist |
122 | my $dirent; |
123 | my $i = 0; |
124 | my $painted = 0; |
125 | my $restored = 0; |
126 | my @candidates = map { $_->[0] } |
127 | sort { $b->[1] <=> $a->[1] } |
128 | map { [ $_, -M File::Spec->catfile($d,$_) ] } |
129 | grep {/\.yml$/} readdir $dh; |
130 | unless (@candidates) { |
131 | $CPAN::Frontend->myprint("Build_dir empty, nothing to restore\n"); |
132 | return; |
133 | } |
134 | $CPAN::Frontend->myprint |
135 | (sprintf("Going to read %d yaml file%s from %s/\n", |
136 | scalar @candidates, |
137 | @candidates==1 ? "" : "s", |
138 | $CPAN::Config->{build_dir} |
139 | )); |
140 | my $start = CPAN::FTP::_mytime(); |
141 | DISTRO: for $i (0..$#candidates) { |
142 | my $dirent = $candidates[$i]; |
143 | my $y = eval {CPAN->_yaml_loadfile(File::Spec->catfile($d,$dirent))}; |
144 | if ($@) { |
145 | warn "Error while parsing file '$dirent'; error: '$@'"; |
146 | next DISTRO; |
147 | } |
148 | my $c = $y->[0]; |
149 | if ($c && $c->{perl} && $c->{distribution} && CPAN->_perl_fingerprint($c->{perl})) { |
150 | my $key = $c->{distribution}{ID}; |
151 | for my $k (keys %{$c->{distribution}}) { |
152 | if ($c->{distribution}{$k} |
153 | && ref $c->{distribution}{$k} |
154 | && UNIVERSAL::isa($c->{distribution}{$k},"CPAN::Distrostatus")) { |
155 | $c->{distribution}{$k}{COMMANDID} = $i - @candidates; |
156 | } |
157 | } |
158 | |
159 | #we tried to restore only if element already |
160 | #exists; but then we do not work with metadata |
161 | #turned off. |
162 | my $do |
163 | = $CPAN::META->{readwrite}{'CPAN::Distribution'}{$key} |
164 | = $c->{distribution}; |
165 | for my $skipper (qw( |
166 | badtestcnt |
167 | configure_requires_later |
168 | configure_requires_later_for |
169 | force_update |
170 | later |
171 | later_for |
172 | notest |
173 | should_report |
174 | sponsored_mods |
175 | prefs |
176 | negative_prefs_cache |
177 | )) { |
178 | delete $do->{$skipper}; |
179 | } |
180 | if ($do->can("tested_ok_but_not_installed")) { |
181 | if ($do->tested_ok_but_not_installed) { |
182 | $CPAN::META->is_tested($do->{build_dir},$do->{make_test}{TIME}); |
183 | } else { |
184 | next DISTRO; |
185 | } |
186 | } |
187 | $restored++; |
188 | } |
189 | $i++; |
190 | while (($painted/76) < ($i/@candidates)) { |
191 | $CPAN::Frontend->myprint("."); |
192 | $painted++; |
193 | } |
194 | } |
195 | my $took = CPAN::FTP::_mytime() - $start; |
196 | $CPAN::Frontend->myprint(sprintf( |
197 | "DONE\nRestored the state of %s (in %.4f secs)\n", |
198 | $restored || "none", |
199 | $took, |
200 | )); |
201 | } |
202 | |
203 | |
204 | #-> sub CPAN::Index::reload_x ; |
205 | sub reload_x { |
206 | my($cl,$wanted,$localname,$force) = @_; |
207 | $force |= 2; # means we're dealing with an index here |
208 | CPAN::HandleConfig->load; # we should guarantee loading wherever |
209 | # we rely on Config XXX |
210 | $localname ||= $wanted; |
211 | my $abs_wanted = File::Spec->catfile($CPAN::Config->{'keep_source_where'}, |
212 | $localname); |
213 | if ( |
214 | -f $abs_wanted && |
215 | -M $abs_wanted < $CPAN::Config->{'index_expire'} && |
216 | !($force & 1) |
217 | ) { |
218 | my $s = $CPAN::Config->{'index_expire'} == 1 ? "" : "s"; |
219 | $cl->debug(qq{$abs_wanted younger than $CPAN::Config->{'index_expire'} }. |
220 | qq{day$s. I\'ll use that.}); |
221 | return $abs_wanted; |
222 | } else { |
223 | $force |= 1; # means we're quite serious about it. |
224 | } |
225 | return CPAN::FTP->localize($wanted,$abs_wanted,$force); |
226 | } |
227 | |
228 | #-> sub CPAN::Index::rd_authindex ; |
229 | sub rd_authindex { |
230 | my($cl, $index_target) = @_; |
231 | return unless defined $index_target; |
232 | return if CPAN::_sqlite_running(); |
233 | my @lines; |
234 | $CPAN::Frontend->myprint("Going to read '$index_target'\n"); |
235 | local(*FH); |
236 | tie *FH, 'CPAN::Tarzip', $index_target; |
237 | local($/) = "\n"; |
238 | local($_); |
239 | push @lines, split /\012/ while <FH>; |
240 | my $i = 0; |
241 | my $painted = 0; |
242 | foreach (@lines) { |
243 | my($userid,$fullname,$email) = |
244 | m/alias\s+(\S+)\s+\"([^\"\<]*)\s+\<(.*)\>\"/; |
245 | $fullname ||= $email; |
246 | if ($userid && $fullname && $email) { |
247 | my $userobj = $CPAN::META->instance('CPAN::Author',$userid); |
248 | $userobj->set('FULLNAME' => $fullname, 'EMAIL' => $email); |
249 | } else { |
250 | CPAN->debug(sprintf "line[%s]", $_) if $CPAN::DEBUG; |
251 | } |
252 | $i++; |
253 | while (($painted/76) < ($i/@lines)) { |
254 | $CPAN::Frontend->myprint("."); |
255 | $painted++; |
256 | } |
257 | return if $CPAN::Signal; |
258 | } |
259 | $CPAN::Frontend->myprint("DONE\n"); |
260 | } |
261 | |
262 | sub userid { |
263 | my($self,$dist) = @_; |
264 | $dist = $self->{'id'} unless defined $dist; |
265 | my($ret) = $dist =~ m|(?:\w/\w\w/)?([^/]+)/|; |
266 | $ret; |
267 | } |
268 | |
269 | #-> sub CPAN::Index::rd_modpacks ; |
270 | sub rd_modpacks { |
271 | my($self, $index_target) = @_; |
272 | return unless defined $index_target; |
273 | return if CPAN::_sqlite_running(); |
274 | $CPAN::Frontend->myprint("Going to read '$index_target'\n"); |
275 | my $fh = CPAN::Tarzip->TIEHANDLE($index_target); |
276 | local $_; |
277 | CPAN->debug(sprintf "start[%d]", time) if $CPAN::DEBUG; |
278 | my $slurp = ""; |
279 | my $chunk; |
280 | while (my $bytes = $fh->READ(\$chunk,8192)) { |
281 | $slurp.=$chunk; |
282 | } |
283 | my @lines = split /\012/, $slurp; |
284 | CPAN->debug(sprintf "end[%d]", time) if $CPAN::DEBUG; |
285 | undef $fh; |
286 | # read header |
287 | my($line_count,$last_updated); |
288 | while (@lines) { |
289 | my $shift = shift(@lines); |
290 | last if $shift =~ /^\s*$/; |
291 | $shift =~ /^Line-Count:\s+(\d+)/ and $line_count = $1; |
292 | $shift =~ /^Last-Updated:\s+(.+)/ and $last_updated = $1; |
293 | } |
294 | CPAN->debug("line_count[$line_count]last_updated[$last_updated]") if $CPAN::DEBUG; |
295 | if (not defined $line_count) { |
296 | |
297 | $CPAN::Frontend->mywarn(qq{Warning: Your $index_target does not contain a Line-Count header. |
298 | Please check the validity of the index file by comparing it to more |
299 | than one CPAN mirror. I'll continue but problems seem likely to |
300 | happen.\a |
301 | }); |
302 | |
303 | $CPAN::Frontend->mysleep(5); |
304 | } elsif ($line_count != scalar @lines) { |
305 | |
306 | $CPAN::Frontend->mywarn(sprintf qq{Warning: Your %s |
307 | contains a Line-Count header of %d but I see %d lines there. Please |
308 | check the validity of the index file by comparing it to more than one |
309 | CPAN mirror. I'll continue but problems seem likely to happen.\a\n}, |
310 | $index_target, $line_count, scalar(@lines)); |
311 | |
312 | } |
313 | if (not defined $last_updated) { |
314 | |
315 | $CPAN::Frontend->mywarn(qq{Warning: Your $index_target does not contain a Last-Updated header. |
316 | Please check the validity of the index file by comparing it to more |
317 | than one CPAN mirror. I'll continue but problems seem likely to |
318 | happen.\a |
319 | }); |
320 | |
321 | $CPAN::Frontend->mysleep(5); |
322 | } else { |
323 | |
324 | $CPAN::Frontend |
325 | ->myprint(sprintf qq{ Database was generated on %s\n}, |
326 | $last_updated); |
327 | $DATE_OF_02 = $last_updated; |
328 | |
329 | my $age = time; |
330 | if ($CPAN::META->has_inst('HTTP::Date')) { |
331 | require HTTP::Date; |
332 | $age -= HTTP::Date::str2time($last_updated); |
333 | } else { |
334 | $CPAN::Frontend->mywarn(" HTTP::Date not available\n"); |
335 | require Time::Local; |
336 | my(@d) = $last_updated =~ / (\d+) (\w+) (\d+) (\d+):(\d+):(\d+) /; |
337 | $d[1] = index("Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec", $d[1])/4; |
338 | $age -= $d[1]>=0 ? Time::Local::timegm(@d[5,4,3,0,1,2]) : 0; |
339 | } |
340 | $age /= 3600*24; |
341 | if ($age > 30) { |
342 | |
343 | $CPAN::Frontend |
344 | ->mywarn(sprintf |
345 | qq{Warning: This index file is %d days old. |
346 | Please check the host you chose as your CPAN mirror for staleness. |
347 | I'll continue but problems seem likely to happen.\a\n}, |
348 | $age); |
349 | |
350 | } elsif ($age < -1) { |
351 | |
352 | $CPAN::Frontend |
353 | ->mywarn(sprintf |
354 | qq{Warning: Your system date is %d days behind this index file! |
355 | System time: %s |
356 | Timestamp index file: %s |
357 | Please fix your system time, problems with the make command expected.\n}, |
358 | -$age, |
359 | scalar gmtime, |
360 | $DATE_OF_02, |
361 | ); |
362 | |
363 | } |
364 | } |
365 | |
366 | |
367 | # A necessity since we have metadata_cache: delete what isn't |
368 | # there anymore |
369 | my $secondtime = $CPAN::META->exists("CPAN::Module","CPAN"); |
370 | CPAN->debug("secondtime[$secondtime]") if $CPAN::DEBUG; |
371 | my(%exists); |
372 | my $i = 0; |
373 | my $painted = 0; |
374 | foreach (@lines) { |
375 | # before 1.56 we split into 3 and discarded the rest. From |
376 | # 1.57 we assign remaining text to $comment thus allowing to |
377 | # influence isa_perl |
378 | my($mod,$version,$dist,$comment) = split " ", $_, 4; |
379 | unless ($mod && defined $version && $dist) { |
380 | $CPAN::Frontend->mywarn("Could not split line[$_]\n"); |
381 | next; |
382 | } |
383 | my($bundle,$id,$userid); |
384 | |
385 | if ($mod eq 'CPAN' && |
386 | ! ( |
387 | CPAN::Queue->exists('Bundle::CPAN') || |
388 | CPAN::Queue->exists('CPAN') |
389 | ) |
390 | ) { |
391 | local($^W)= 0; |
392 | if ($version > $CPAN::VERSION) { |
393 | $CPAN::Frontend->mywarn(qq{ |
394 | New CPAN.pm version (v$version) available. |
395 | [Currently running version is v$CPAN::VERSION] |
396 | You might want to try |
397 | install CPAN |
398 | reload cpan |
399 | to both upgrade CPAN.pm and run the new version without leaving |
400 | the current session. |
401 | |
402 | }); #}); |
403 | $CPAN::Frontend->mysleep(2); |
404 | $CPAN::Frontend->myprint(qq{\n}); |
405 | } |
406 | last if $CPAN::Signal; |
407 | } elsif ($mod =~ /^Bundle::(.*)/) { |
408 | $bundle = $1; |
409 | } |
410 | |
411 | if ($bundle) { |
412 | $id = $CPAN::META->instance('CPAN::Bundle',$mod); |
413 | # Let's make it a module too, because bundles have so much |
414 | # in common with modules. |
415 | |
416 | # Changed in 1.57_63: seems like memory bloat now without |
417 | # any value, so commented out |
418 | |
419 | # $CPAN::META->instance('CPAN::Module',$mod); |
420 | |
421 | } else { |
422 | |
423 | # instantiate a module object |
424 | $id = $CPAN::META->instance('CPAN::Module',$mod); |
425 | |
426 | } |
427 | |
428 | # Although CPAN prohibits same name with different version the |
429 | # indexer may have changed the version for the same distro |
430 | # since the last time ("Force Reindexing" feature) |
431 | if ($id->cpan_file ne $dist |
432 | || |
433 | $id->cpan_version ne $version |
434 | ) { |
435 | $userid = $id->userid || $self->userid($dist); |
436 | $id->set( |
437 | 'CPAN_USERID' => $userid, |
438 | 'CPAN_VERSION' => $version, |
439 | 'CPAN_FILE' => $dist, |
440 | ); |
441 | } |
442 | |
443 | # instantiate a distribution object |
444 | if ($CPAN::META->exists('CPAN::Distribution',$dist)) { |
445 | # we do not need CONTAINSMODS unless we do something with |
446 | # this dist, so we better produce it on demand. |
447 | |
448 | ## my $obj = $CPAN::META->instance( |
449 | ## 'CPAN::Distribution' => $dist |
450 | ## ); |
451 | ## $obj->{CONTAINSMODS}{$mod} = undef; # experimental |
452 | } else { |
453 | $CPAN::META->instance( |
454 | 'CPAN::Distribution' => $dist |
455 | )->set( |
456 | 'CPAN_USERID' => $userid, |
457 | 'CPAN_COMMENT' => $comment, |
458 | ); |
459 | } |
460 | if ($secondtime) { |
461 | for my $name ($mod,$dist) { |
462 | # $self->debug("exists name[$name]") if $CPAN::DEBUG; |
463 | $exists{$name} = undef; |
464 | } |
465 | } |
466 | $i++; |
467 | while (($painted/76) < ($i/@lines)) { |
468 | $CPAN::Frontend->myprint("."); |
469 | $painted++; |
470 | } |
471 | return if $CPAN::Signal; |
472 | } |
473 | $CPAN::Frontend->myprint("DONE\n"); |
474 | if ($secondtime) { |
475 | for my $class (qw(CPAN::Module CPAN::Bundle CPAN::Distribution)) { |
476 | for my $o ($CPAN::META->all_objects($class)) { |
477 | next if exists $exists{$o->{ID}}; |
478 | $CPAN::META->delete($class,$o->{ID}); |
479 | # CPAN->debug("deleting ID[$o->{ID}] in class[$class]") |
480 | # if $CPAN::DEBUG; |
481 | } |
482 | } |
483 | } |
484 | } |
485 | |
486 | #-> sub CPAN::Index::rd_modlist ; |
487 | sub rd_modlist { |
488 | my($cl,$index_target) = @_; |
489 | return unless defined $index_target; |
490 | return if CPAN::_sqlite_running(); |
491 | $CPAN::Frontend->myprint("Going to read '$index_target'\n"); |
492 | my $fh = CPAN::Tarzip->TIEHANDLE($index_target); |
493 | local $_; |
494 | my $slurp = ""; |
495 | my $chunk; |
496 | while (my $bytes = $fh->READ(\$chunk,8192)) { |
497 | $slurp.=$chunk; |
498 | } |
499 | my @eval2 = split /\012/, $slurp; |
500 | |
501 | while (@eval2) { |
502 | my $shift = shift(@eval2); |
503 | if ($shift =~ /^Date:\s+(.*)/) { |
504 | if ($DATE_OF_03 eq $1) { |
505 | $CPAN::Frontend->myprint("Unchanged.\n"); |
506 | return; |
507 | } |
508 | ($DATE_OF_03) = $1; |
509 | } |
510 | last if $shift =~ /^\s*$/; |
511 | } |
512 | push @eval2, q{CPAN::Modulelist->data;}; |
513 | local($^W) = 0; |
514 | my($compmt) = Safe->new("CPAN::Safe1"); |
515 | my($eval2) = join("\n", @eval2); |
516 | CPAN->debug(sprintf "length of eval2[%d]", length $eval2) if $CPAN::DEBUG; |
517 | my $ret = $compmt->reval($eval2); |
518 | Carp::confess($@) if $@; |
519 | return if $CPAN::Signal; |
520 | my $i = 0; |
521 | my $until = keys(%$ret); |
522 | my $painted = 0; |
523 | CPAN->debug(sprintf "until[%d]", $until) if $CPAN::DEBUG; |
524 | for (keys %$ret) { |
525 | my $obj = $CPAN::META->instance("CPAN::Module",$_); |
526 | delete $ret->{$_}{modid}; # not needed here, maybe elsewhere |
527 | $obj->set(%{$ret->{$_}}); |
528 | $i++; |
529 | while (($painted/76) < ($i/$until)) { |
530 | $CPAN::Frontend->myprint("."); |
531 | $painted++; |
532 | } |
533 | return if $CPAN::Signal; |
534 | } |
535 | $CPAN::Frontend->myprint("DONE\n"); |
536 | } |
537 | |
538 | #-> sub CPAN::Index::write_metadata_cache ; |
539 | sub write_metadata_cache { |
540 | my($self) = @_; |
541 | return unless $CPAN::Config->{'cache_metadata'}; |
542 | return if CPAN::_sqlite_running(); |
543 | return unless $CPAN::META->has_usable("Storable"); |
544 | my $cache; |
545 | foreach my $k (qw(CPAN::Bundle CPAN::Author CPAN::Module |
546 | CPAN::Distribution)) { |
547 | $cache->{$k} = $CPAN::META->{readonly}{$k}; # unsafe meta access, ok |
548 | } |
549 | my $metadata_file = File::Spec->catfile($CPAN::Config->{cpan_home},"Metadata"); |
550 | $cache->{last_time} = $LAST_TIME; |
551 | $cache->{DATE_OF_02} = $DATE_OF_02; |
552 | $cache->{PROTOCOL} = PROTOCOL; |
553 | $CPAN::Frontend->myprint("Going to write $metadata_file\n"); |
554 | eval { Storable::nstore($cache, $metadata_file) }; |
555 | $CPAN::Frontend->mywarn($@) if $@; # ?? missing "\n" after $@ in mywarn ?? |
556 | } |
557 | |
558 | #-> sub CPAN::Index::read_metadata_cache ; |
559 | sub read_metadata_cache { |
560 | my($self) = @_; |
561 | return unless $CPAN::Config->{'cache_metadata'}; |
562 | return if CPAN::_sqlite_running(); |
563 | return unless $CPAN::META->has_usable("Storable"); |
564 | my $metadata_file = File::Spec->catfile($CPAN::Config->{cpan_home},"Metadata"); |
565 | return unless -r $metadata_file and -f $metadata_file; |
566 | $CPAN::Frontend->myprint("Going to read '$metadata_file'\n"); |
567 | my $cache; |
568 | eval { $cache = Storable::retrieve($metadata_file) }; |
569 | $CPAN::Frontend->mywarn($@) if $@; # ?? missing "\n" after $@ in mywarn ?? |
570 | if (!$cache || !UNIVERSAL::isa($cache, 'HASH')) { |
571 | $LAST_TIME = 0; |
572 | return; |
573 | } |
574 | if (exists $cache->{PROTOCOL}) { |
575 | if (PROTOCOL > $cache->{PROTOCOL}) { |
576 | $CPAN::Frontend->mywarn(sprintf("Ignoring Metadata cache written ". |
577 | "with protocol v%s, requiring v%s\n", |
578 | $cache->{PROTOCOL}, |
579 | PROTOCOL) |
580 | ); |
581 | return; |
582 | } |
583 | } else { |
584 | $CPAN::Frontend->mywarn("Ignoring Metadata cache written ". |
585 | "with protocol v1.0\n"); |
586 | return; |
587 | } |
588 | my $clcnt = 0; |
589 | my $idcnt = 0; |
590 | while(my($class,$v) = each %$cache) { |
591 | next unless $class =~ /^CPAN::/; |
592 | $CPAN::META->{readonly}{$class} = $v; # unsafe meta access, ok |
593 | while (my($id,$ro) = each %$v) { |
594 | $CPAN::META->{readwrite}{$class}{$id} ||= |
595 | $class->new(ID=>$id, RO=>$ro); |
596 | $idcnt++; |
597 | } |
598 | $clcnt++; |
599 | } |
600 | unless ($clcnt) { # sanity check |
601 | $CPAN::Frontend->myprint("Warning: Found no data in $metadata_file\n"); |
602 | return; |
603 | } |
604 | if ($idcnt < 1000) { |
605 | $CPAN::Frontend->myprint("Warning: Found only $idcnt objects ". |
606 | "in $metadata_file\n"); |
607 | return; |
608 | } |
609 | $CPAN::META->{PROTOCOL} ||= |
610 | $cache->{PROTOCOL}; # reading does not up or downgrade, but it |
611 | # does initialize to some protocol |
612 | $LAST_TIME = $cache->{last_time}; |
613 | $DATE_OF_02 = $cache->{DATE_OF_02}; |
614 | $CPAN::Frontend->myprint(" Database was generated on $DATE_OF_02\n") |
615 | if defined $DATE_OF_02; # An old cache may not contain DATE_OF_02 |
616 | return; |
617 | } |
618 | |
619 | 1; |