Commit | Line | Data |
54123ee5 |
1 | #line 1 |
2 | package Module::AutoInstall; |
3 | |
4 | use strict; |
5 | use Cwd (); |
6 | use ExtUtils::MakeMaker (); |
7 | |
8 | use vars qw{$VERSION}; |
9 | BEGIN { |
10 | $VERSION = '1.02'; |
11 | } |
12 | |
13 | # special map on pre-defined feature sets |
14 | my %FeatureMap = ( |
15 | '' => 'Core Features', # XXX: deprecated |
16 | '-core' => 'Core Features', |
17 | ); |
18 | |
19 | # various lexical flags |
20 | my ( @Missing, @Existing, %DisabledTests, $UnderCPAN, $HasCPANPLUS ); |
21 | my ( $Config, $CheckOnly, $SkipInstall, $AcceptDefault, $TestOnly ); |
22 | my ( $PostambleActions, $PostambleUsed ); |
23 | |
24 | # See if it's a testing or non-interactive session |
25 | _accept_default( $ENV{AUTOMATED_TESTING} or ! -t STDIN ); |
26 | _init(); |
27 | |
28 | sub _accept_default { |
29 | $AcceptDefault = shift; |
30 | } |
31 | |
32 | sub missing_modules { |
33 | return @Missing; |
34 | } |
35 | |
36 | sub do_install { |
37 | __PACKAGE__->install( |
38 | [ |
39 | $Config |
40 | ? ( UNIVERSAL::isa( $Config, 'HASH' ) ? %{$Config} : @{$Config} ) |
41 | : () |
42 | ], |
43 | @Missing, |
44 | ); |
45 | } |
46 | |
47 | # initialize various flags, and/or perform install |
48 | sub _init { |
49 | foreach my $arg ( |
50 | @ARGV, |
51 | split( |
52 | /[\s\t]+/, |
53 | $ENV{PERL_AUTOINSTALL} || $ENV{PERL_EXTUTILS_AUTOINSTALL} || '' |
54 | ) |
55 | ) |
56 | { |
57 | if ( $arg =~ /^--config=(.*)$/ ) { |
58 | $Config = [ split( ',', $1 ) ]; |
59 | } |
60 | elsif ( $arg =~ /^--installdeps=(.*)$/ ) { |
61 | __PACKAGE__->install( $Config, @Missing = split( /,/, $1 ) ); |
62 | exit 0; |
63 | } |
64 | elsif ( $arg =~ /^--default(?:deps)?$/ ) { |
65 | $AcceptDefault = 1; |
66 | } |
67 | elsif ( $arg =~ /^--check(?:deps)?$/ ) { |
68 | $CheckOnly = 1; |
69 | } |
70 | elsif ( $arg =~ /^--skip(?:deps)?$/ ) { |
71 | $SkipInstall = 1; |
72 | } |
73 | elsif ( $arg =~ /^--test(?:only)?$/ ) { |
74 | $TestOnly = 1; |
75 | } |
76 | } |
77 | } |
78 | |
79 | # overrides MakeMaker's prompt() to automatically accept the default choice |
80 | sub _prompt { |
81 | goto &ExtUtils::MakeMaker::prompt unless $AcceptDefault; |
82 | |
83 | my ( $prompt, $default ) = @_; |
84 | my $y = ( $default =~ /^[Yy]/ ); |
85 | |
86 | print $prompt, ' [', ( $y ? 'Y' : 'y' ), '/', ( $y ? 'n' : 'N' ), '] '; |
87 | print "$default\n"; |
88 | return $default; |
89 | } |
90 | |
91 | # the workhorse |
92 | sub import { |
93 | my $class = shift; |
94 | my @args = @_ or return; |
95 | my $core_all; |
96 | |
97 | print "*** $class version " . $class->VERSION . "\n"; |
98 | print "*** Checking for Perl dependencies...\n"; |
99 | |
100 | my $cwd = Cwd::cwd(); |
101 | |
102 | $Config = []; |
103 | |
104 | my $maxlen = length( |
105 | ( |
106 | sort { length($b) <=> length($a) } |
107 | grep { /^[^\-]/ } |
108 | map { |
109 | ref($_) |
110 | ? ( ( ref($_) eq 'HASH' ) ? keys(%$_) : @{$_} ) |
111 | : '' |
112 | } |
113 | map { +{@args}->{$_} } |
114 | grep { /^[^\-]/ or /^-core$/i } keys %{ +{@args} } |
115 | )[0] |
116 | ); |
117 | |
118 | while ( my ( $feature, $modules ) = splice( @args, 0, 2 ) ) { |
119 | my ( @required, @tests, @skiptests ); |
120 | my $default = 1; |
121 | my $conflict = 0; |
122 | |
123 | if ( $feature =~ m/^-(\w+)$/ ) { |
124 | my $option = lc($1); |
125 | |
126 | # check for a newer version of myself |
127 | _update_to( $modules, @_ ) and return if $option eq 'version'; |
128 | |
129 | # sets CPAN configuration options |
130 | $Config = $modules if $option eq 'config'; |
131 | |
132 | # promote every features to core status |
133 | $core_all = ( $modules =~ /^all$/i ) and next |
134 | if $option eq 'core'; |
135 | |
136 | next unless $option eq 'core'; |
137 | } |
138 | |
139 | print "[" . ( $FeatureMap{ lc($feature) } || $feature ) . "]\n"; |
140 | |
141 | $modules = [ %{$modules} ] if UNIVERSAL::isa( $modules, 'HASH' ); |
142 | |
143 | unshift @$modules, -default => &{ shift(@$modules) } |
144 | if ( ref( $modules->[0] ) eq 'CODE' ); # XXX: bugward combatability |
145 | |
146 | while ( my ( $mod, $arg ) = splice( @$modules, 0, 2 ) ) { |
147 | if ( $mod =~ m/^-(\w+)$/ ) { |
148 | my $option = lc($1); |
149 | |
150 | $default = $arg if ( $option eq 'default' ); |
151 | $conflict = $arg if ( $option eq 'conflict' ); |
152 | @tests = @{$arg} if ( $option eq 'tests' ); |
153 | @skiptests = @{$arg} if ( $option eq 'skiptests' ); |
154 | |
155 | next; |
156 | } |
157 | |
158 | printf( "- %-${maxlen}s ...", $mod ); |
159 | |
160 | if ( $arg and $arg =~ /^\D/ ) { |
161 | unshift @$modules, $arg; |
162 | $arg = 0; |
163 | } |
164 | |
165 | # XXX: check for conflicts and uninstalls(!) them. |
166 | if ( |
167 | defined( my $cur = _version_check( _load($mod), $arg ||= 0 ) ) ) |
168 | { |
169 | print "loaded. ($cur" . ( $arg ? " >= $arg" : '' ) . ")\n"; |
170 | push @Existing, $mod => $arg; |
171 | $DisabledTests{$_} = 1 for map { glob($_) } @skiptests; |
172 | } |
173 | else { |
174 | print "missing." . ( $arg ? " (would need $arg)" : '' ) . "\n"; |
175 | push @required, $mod => $arg; |
176 | } |
177 | } |
178 | |
179 | next unless @required; |
180 | |
181 | my $mandatory = ( $feature eq '-core' or $core_all ); |
182 | |
183 | if ( |
184 | !$SkipInstall |
185 | and ( |
186 | $CheckOnly |
187 | or _prompt( |
188 | qq{==> Auto-install the } |
189 | . ( @required / 2 ) |
190 | . ( $mandatory ? ' mandatory' : ' optional' ) |
191 | . qq{ module(s) from CPAN?}, |
192 | $default ? 'y' : 'n', |
193 | ) =~ /^[Yy]/ |
194 | ) |
195 | ) |
196 | { |
197 | push( @Missing, @required ); |
198 | $DisabledTests{$_} = 1 for map { glob($_) } @skiptests; |
199 | } |
200 | |
201 | elsif ( !$SkipInstall |
202 | and $default |
203 | and $mandatory |
204 | and |
205 | _prompt( qq{==> The module(s) are mandatory! Really skip?}, 'n', ) |
206 | =~ /^[Nn]/ ) |
207 | { |
208 | push( @Missing, @required ); |
209 | $DisabledTests{$_} = 1 for map { glob($_) } @skiptests; |
210 | } |
211 | |
212 | else { |
213 | $DisabledTests{$_} = 1 for map { glob($_) } @tests; |
214 | } |
215 | } |
216 | |
217 | _check_lock(); # check for $UnderCPAN |
218 | |
219 | if ( @Missing and not( $CheckOnly or $UnderCPAN ) ) { |
220 | require Config; |
221 | print |
222 | "*** Dependencies will be installed the next time you type '$Config::Config{make}'.\n"; |
223 | |
224 | # make an educated guess of whether we'll need root permission. |
225 | print " (You may need to do that as the 'root' user.)\n" |
226 | if eval '$>'; |
227 | } |
228 | print "*** $class configuration finished.\n"; |
229 | |
230 | chdir $cwd; |
231 | |
232 | # import to main:: |
233 | no strict 'refs'; |
234 | *{'main::WriteMakefile'} = \&Write if caller(0) eq 'main'; |
235 | } |
236 | |
237 | # CPAN.pm is non-reentrant, so check if we're under it and have no CPANPLUS |
238 | sub _check_lock { |
239 | return unless @Missing; |
240 | _load_cpan(); |
241 | |
242 | # Find the CPAN lock-file |
243 | my $lock = MM->catfile( $CPAN::Config->{cpan_home}, ".lock" ); |
244 | return unless -f $lock; |
245 | |
246 | # Check the lock |
247 | local *LOCK; |
248 | return unless open(LOCK, $lock); |
249 | |
250 | if ( |
251 | ( $^O eq 'MSWin32' ? _under_cpan() : <LOCK> == getppid() ) |
252 | and ( $CPAN::Config->{prerequisites_policy} || '' ) ne 'ignore' |
253 | ) { |
254 | print <<'END_MESSAGE'; |
255 | |
256 | *** Since we're running under CPAN, I'll just let it take care |
257 | of the dependency's installation later. |
258 | END_MESSAGE |
259 | $UnderCPAN = 1; |
260 | } |
261 | |
262 | close LOCK; |
263 | } |
264 | |
265 | sub install { |
266 | my $class = shift; |
267 | |
268 | my $i; # used below to strip leading '-' from config keys |
269 | my @config = ( map { s/^-// if ++$i; $_ } @{ +shift } ); |
270 | |
271 | my ( @modules, @installed ); |
272 | while ( my ( $pkg, $ver ) = splice( @_, 0, 2 ) ) { |
273 | |
274 | # grep out those already installed |
275 | if ( defined( _version_check( _load($pkg), $ver ) ) ) { |
276 | push @installed, $pkg; |
277 | } |
278 | else { |
279 | push @modules, $pkg, $ver; |
280 | } |
281 | } |
282 | |
283 | return @installed unless @modules; # nothing to do |
284 | |
285 | print "*** Installing dependencies...\n"; |
286 | |
287 | return unless _connected_to('cpan.org'); |
288 | |
289 | my %args = @config; |
290 | my %failed; |
291 | local *FAILED; |
292 | if ( $args{do_once} and open( FAILED, '.#autoinstall.failed' ) ) { |
293 | while (<FAILED>) { chomp; $failed{$_}++ } |
294 | close FAILED; |
295 | |
296 | my @newmod; |
297 | while ( my ( $k, $v ) = splice( @modules, 0, 2 ) ) { |
298 | push @newmod, ( $k => $v ) unless $failed{$k}; |
299 | } |
300 | @modules = @newmod; |
301 | } |
302 | |
303 | if ( ! $UnderCPAN and _has_cpanplus() ) { |
304 | _install_cpanplus( \@modules, \@config ); |
305 | } else { |
306 | _install_cpan( \@modules, \@config ); |
307 | } |
308 | |
309 | print "*** $class installation finished.\n"; |
310 | |
311 | # see if we have successfully installed them |
312 | while ( my ( $pkg, $ver ) = splice( @modules, 0, 2 ) ) { |
313 | if ( defined( _version_check( _load($pkg), $ver ) ) ) { |
314 | push @installed, $pkg; |
315 | } |
316 | elsif ( $args{do_once} and open( FAILED, '>> .#autoinstall.failed' ) ) { |
317 | print FAILED "$pkg\n"; |
318 | } |
319 | } |
320 | |
321 | close FAILED if $args{do_once}; |
322 | |
323 | return @installed; |
324 | } |
325 | |
326 | sub _install_cpanplus { |
327 | my @modules = @{ +shift }; |
328 | my @config = _cpanplus_config( @{ +shift } ); |
329 | my $installed = 0; |
330 | |
331 | require CPANPLUS::Backend; |
332 | my $cp = CPANPLUS::Backend->new; |
333 | my $conf = $cp->configure_object; |
334 | |
335 | return unless $conf->can('conf') # 0.05x+ with "sudo" support |
336 | or _can_write($conf->_get_build('base')); # 0.04x |
337 | |
338 | # if we're root, set UNINST=1 to avoid trouble unless user asked for it. |
339 | my $makeflags = $conf->get_conf('makeflags') || ''; |
340 | if ( UNIVERSAL::isa( $makeflags, 'HASH' ) ) { |
341 | # 0.03+ uses a hashref here |
342 | $makeflags->{UNINST} = 1 unless exists $makeflags->{UNINST}; |
343 | |
344 | } else { |
345 | # 0.02 and below uses a scalar |
346 | $makeflags = join( ' ', split( ' ', $makeflags ), 'UNINST=1' ) |
347 | if ( $makeflags !~ /\bUNINST\b/ and eval qq{ $> eq '0' } ); |
348 | |
349 | } |
350 | $conf->set_conf( makeflags => $makeflags ); |
351 | $conf->set_conf( prereqs => 1 ); |
352 | |
353 | |
354 | |
355 | while ( my ( $key, $val ) = splice( @config, 0, 2 ) ) { |
356 | $conf->set_conf( $key, $val ); |
357 | } |
358 | |
359 | my $modtree = $cp->module_tree; |
360 | while ( my ( $pkg, $ver ) = splice( @modules, 0, 2 ) ) { |
361 | print "*** Installing $pkg...\n"; |
362 | |
363 | MY::preinstall( $pkg, $ver ) or next if defined &MY::preinstall; |
364 | |
365 | my $success; |
366 | my $obj = $modtree->{$pkg}; |
367 | |
368 | if ( $obj and defined( _version_check( $obj->{version}, $ver ) ) ) { |
369 | my $pathname = $pkg; |
370 | $pathname =~ s/::/\\W/; |
371 | |
372 | foreach my $inc ( grep { m/$pathname.pm/i } keys(%INC) ) { |
373 | delete $INC{$inc}; |
374 | } |
375 | |
376 | my $rv = $cp->install( modules => [ $obj->{module} ] ); |
377 | |
378 | if ( $rv and ( $rv->{ $obj->{module} } or $rv->{ok} ) ) { |
379 | print "*** $pkg successfully installed.\n"; |
380 | $success = 1; |
381 | } else { |
382 | print "*** $pkg installation cancelled.\n"; |
383 | $success = 0; |
384 | } |
385 | |
386 | $installed += $success; |
387 | } else { |
388 | print << "."; |
389 | *** Could not find a version $ver or above for $pkg; skipping. |
390 | . |
391 | } |
392 | |
393 | MY::postinstall( $pkg, $ver, $success ) if defined &MY::postinstall; |
394 | } |
395 | |
396 | return $installed; |
397 | } |
398 | |
399 | sub _cpanplus_config { |
400 | my @config = (); |
401 | while ( @_ ) { |
402 | my ($key, $value) = (shift(), shift()); |
403 | if ( $key eq 'prerequisites_policy' ) { |
404 | if ( $value eq 'follow' ) { |
405 | $value = CPANPLUS::Internals::Constants::PREREQ_INSTALL(); |
406 | } elsif ( $value eq 'ask' ) { |
407 | $value = CPANPLUS::Internals::Constants::PREREQ_ASK(); |
408 | } elsif ( $value eq 'ignore' ) { |
409 | $value = CPANPLUS::Internals::Constants::PREREQ_IGNORE(); |
410 | } else { |
411 | die "*** Cannot convert option $key = '$value' to CPANPLUS version.\n"; |
412 | } |
413 | } else { |
414 | die "*** Cannot convert option $key to CPANPLUS version.\n"; |
415 | } |
416 | } |
417 | return @config; |
418 | } |
419 | |
420 | sub _install_cpan { |
421 | my @modules = @{ +shift }; |
422 | my @config = @{ +shift }; |
423 | my $installed = 0; |
424 | my %args; |
425 | |
426 | _load_cpan(); |
427 | require Config; |
428 | |
429 | if (CPAN->VERSION < 1.80) { |
430 | # no "sudo" support, probe for writableness |
431 | return unless _can_write( MM->catfile( $CPAN::Config->{cpan_home}, 'sources' ) ) |
432 | and _can_write( $Config::Config{sitelib} ); |
433 | } |
434 | |
435 | # if we're root, set UNINST=1 to avoid trouble unless user asked for it. |
436 | my $makeflags = $CPAN::Config->{make_install_arg} || ''; |
437 | $CPAN::Config->{make_install_arg} = |
438 | join( ' ', split( ' ', $makeflags ), 'UNINST=1' ) |
439 | if ( $makeflags !~ /\bUNINST\b/ and eval qq{ $> eq '0' } ); |
440 | |
441 | # don't show start-up info |
442 | $CPAN::Config->{inhibit_startup_message} = 1; |
443 | |
444 | # set additional options |
445 | while ( my ( $opt, $arg ) = splice( @config, 0, 2 ) ) { |
446 | ( $args{$opt} = $arg, next ) |
447 | if $opt =~ /^force$/; # pseudo-option |
448 | $CPAN::Config->{$opt} = $arg; |
449 | } |
450 | |
451 | local $CPAN::Config->{prerequisites_policy} = 'follow'; |
452 | |
453 | while ( my ( $pkg, $ver ) = splice( @modules, 0, 2 ) ) { |
454 | MY::preinstall( $pkg, $ver ) or next if defined &MY::preinstall; |
455 | |
456 | print "*** Installing $pkg...\n"; |
457 | |
458 | my $obj = CPAN::Shell->expand( Module => $pkg ); |
459 | my $success = 0; |
460 | |
461 | if ( $obj and defined( _version_check( $obj->cpan_version, $ver ) ) ) { |
462 | my $pathname = $pkg; |
463 | $pathname =~ s/::/\\W/; |
464 | |
465 | foreach my $inc ( grep { m/$pathname.pm/i } keys(%INC) ) { |
466 | delete $INC{$inc}; |
467 | } |
468 | |
469 | $obj->force('install') if $args{force}; |
470 | |
471 | my $rv = $obj->install || eval { |
472 | $CPAN::META->instance( 'CPAN::Distribution', $obj->cpan_file, ) |
473 | ->{install} |
474 | if $CPAN::META; |
475 | }; |
476 | |
477 | if ( $rv eq 'YES' ) { |
478 | print "*** $pkg successfully installed.\n"; |
479 | $success = 1; |
480 | } |
481 | else { |
482 | print "*** $pkg installation failed.\n"; |
483 | $success = 0; |
484 | } |
485 | |
486 | $installed += $success; |
487 | } |
488 | else { |
489 | print << "."; |
490 | *** Could not find a version $ver or above for $pkg; skipping. |
491 | . |
492 | } |
493 | |
494 | MY::postinstall( $pkg, $ver, $success ) if defined &MY::postinstall; |
495 | } |
496 | |
497 | return $installed; |
498 | } |
499 | |
500 | sub _has_cpanplus { |
501 | return ( |
502 | $HasCPANPLUS = ( |
503 | $INC{'CPANPLUS/Config.pm'} |
504 | or _load('CPANPLUS::Shell::Default') |
505 | ) |
506 | ); |
507 | } |
508 | |
509 | # make guesses on whether we're under the CPAN installation directory |
510 | sub _under_cpan { |
511 | require Cwd; |
512 | require File::Spec; |
513 | |
514 | my $cwd = File::Spec->canonpath( Cwd::cwd() ); |
515 | my $cpan = File::Spec->canonpath( $CPAN::Config->{cpan_home} ); |
516 | |
517 | return ( index( $cwd, $cpan ) > -1 ); |
518 | } |
519 | |
520 | sub _update_to { |
521 | my $class = __PACKAGE__; |
522 | my $ver = shift; |
523 | |
524 | return |
525 | if defined( _version_check( _load($class), $ver ) ); # no need to upgrade |
526 | |
527 | if ( |
528 | _prompt( "==> A newer version of $class ($ver) is required. Install?", |
529 | 'y' ) =~ /^[Nn]/ |
530 | ) |
531 | { |
532 | die "*** Please install $class $ver manually.\n"; |
533 | } |
534 | |
535 | print << "."; |
536 | *** Trying to fetch it from CPAN... |
537 | . |
538 | |
539 | # install ourselves |
540 | _load($class) and return $class->import(@_) |
541 | if $class->install( [], $class, $ver ); |
542 | |
543 | print << '.'; exit 1; |
544 | |
545 | *** Cannot bootstrap myself. :-( Installation terminated. |
546 | . |
547 | } |
548 | |
549 | # check if we're connected to some host, using inet_aton |
550 | sub _connected_to { |
551 | my $site = shift; |
552 | |
553 | return ( |
554 | ( _load('Socket') and Socket::inet_aton($site) ) or _prompt( |
555 | qq( |
556 | *** Your host cannot resolve the domain name '$site', which |
557 | probably means the Internet connections are unavailable. |
558 | ==> Should we try to install the required module(s) anyway?), 'n' |
559 | ) =~ /^[Yy]/ |
560 | ); |
561 | } |
562 | |
563 | # check if a directory is writable; may create it on demand |
564 | sub _can_write { |
565 | my $path = shift; |
566 | mkdir( $path, 0755 ) unless -e $path; |
567 | |
568 | return 1 if -w $path; |
569 | |
570 | print << "."; |
571 | *** You are not allowed to write to the directory '$path'; |
572 | the installation may fail due to insufficient permissions. |
573 | . |
574 | |
575 | if ( |
576 | eval '$>' and lc(`sudo -V`) =~ /version/ and _prompt( |
577 | qq( |
578 | ==> Should we try to re-execute the autoinstall process with 'sudo'?), |
579 | ((-t STDIN) ? 'y' : 'n') |
580 | ) =~ /^[Yy]/ |
581 | ) |
582 | { |
583 | |
584 | # try to bootstrap ourselves from sudo |
585 | print << "."; |
586 | *** Trying to re-execute the autoinstall process with 'sudo'... |
587 | . |
588 | my $missing = join( ',', @Missing ); |
589 | my $config = join( ',', |
590 | UNIVERSAL::isa( $Config, 'HASH' ) ? %{$Config} : @{$Config} ) |
591 | if $Config; |
592 | |
593 | return |
594 | unless system( 'sudo', $^X, $0, "--config=$config", |
595 | "--installdeps=$missing" ); |
596 | |
597 | print << "."; |
598 | *** The 'sudo' command exited with error! Resuming... |
599 | . |
600 | } |
601 | |
602 | return _prompt( |
603 | qq( |
604 | ==> Should we try to install the required module(s) anyway?), 'n' |
605 | ) =~ /^[Yy]/; |
606 | } |
607 | |
608 | # load a module and return the version it reports |
609 | sub _load { |
610 | my $mod = pop; # class/instance doesn't matter |
611 | my $file = $mod; |
612 | |
613 | $file =~ s|::|/|g; |
614 | $file .= '.pm'; |
615 | |
616 | local $@; |
617 | return eval { require $file; $mod->VERSION } || ( $@ ? undef: 0 ); |
618 | } |
619 | |
620 | # Load CPAN.pm and it's configuration |
621 | sub _load_cpan { |
622 | return if $CPAN::VERSION; |
623 | require CPAN; |
624 | if ( $CPAN::HandleConfig::VERSION ) { |
625 | # Newer versions of CPAN have a HandleConfig module |
626 | CPAN::HandleConfig->load; |
627 | } else { |
628 | # Older versions had the load method in Config directly |
629 | CPAN::Config->load; |
630 | } |
631 | } |
632 | |
633 | # compare two versions, either use Sort::Versions or plain comparison |
634 | sub _version_check { |
635 | my ( $cur, $min ) = @_; |
636 | return unless defined $cur; |
637 | |
638 | $cur =~ s/\s+$//; |
639 | |
640 | # check for version numbers that are not in decimal format |
641 | if ( ref($cur) or ref($min) or $cur =~ /v|\..*\./ or $min =~ /v|\..*\./ ) { |
642 | if ( $version::VERSION or defined( _load('version') ) ) { |
643 | |
644 | # use version.pm if it is installed. |
645 | return ( |
646 | ( version->new($cur) >= version->new($min) ) ? $cur : undef ); |
647 | } |
648 | elsif ( $Sort::Versions::VERSION or defined( _load('Sort::Versions') ) ) |
649 | { |
650 | |
651 | # use Sort::Versions as the sorting algorithm for a.b.c versions |
652 | return ( ( Sort::Versions::versioncmp( $cur, $min ) != -1 ) |
653 | ? $cur |
654 | : undef ); |
655 | } |
656 | |
657 | warn "Cannot reliably compare non-decimal formatted versions.\n" |
658 | . "Please install version.pm or Sort::Versions.\n"; |
659 | } |
660 | |
661 | # plain comparison |
662 | local $^W = 0; # shuts off 'not numeric' bugs |
663 | return ( $cur >= $min ? $cur : undef ); |
664 | } |
665 | |
666 | # nothing; this usage is deprecated. |
667 | sub main::PREREQ_PM { return {}; } |
668 | |
669 | sub _make_args { |
670 | my %args = @_; |
671 | |
672 | $args{PREREQ_PM} = { %{ $args{PREREQ_PM} || {} }, @Existing, @Missing } |
673 | if $UnderCPAN or $TestOnly; |
674 | |
675 | if ( $args{EXE_FILES} and -e 'MANIFEST' ) { |
676 | require ExtUtils::Manifest; |
677 | my $manifest = ExtUtils::Manifest::maniread('MANIFEST'); |
678 | |
679 | $args{EXE_FILES} = |
680 | [ grep { exists $manifest->{$_} } @{ $args{EXE_FILES} } ]; |
681 | } |
682 | |
683 | $args{test}{TESTS} ||= 't/*.t'; |
684 | $args{test}{TESTS} = join( ' ', |
685 | grep { !exists( $DisabledTests{$_} ) } |
686 | map { glob($_) } split( /\s+/, $args{test}{TESTS} ) ); |
687 | |
688 | my $missing = join( ',', @Missing ); |
689 | my $config = |
690 | join( ',', UNIVERSAL::isa( $Config, 'HASH' ) ? %{$Config} : @{$Config} ) |
691 | if $Config; |
692 | |
693 | $PostambleActions = ( |
694 | $missing |
695 | ? "\$(PERL) $0 --config=$config --installdeps=$missing" |
696 | : "\$(NOECHO) \$(NOOP)" |
697 | ); |
698 | |
699 | return %args; |
700 | } |
701 | |
702 | # a wrapper to ExtUtils::MakeMaker::WriteMakefile |
703 | sub Write { |
704 | require Carp; |
705 | Carp::croak "WriteMakefile: Need even number of args" if @_ % 2; |
706 | |
707 | if ($CheckOnly) { |
708 | print << "."; |
709 | *** Makefile not written in check-only mode. |
710 | . |
711 | return; |
712 | } |
713 | |
714 | my %args = _make_args(@_); |
715 | |
716 | no strict 'refs'; |
717 | |
718 | $PostambleUsed = 0; |
719 | local *MY::postamble = \&postamble unless defined &MY::postamble; |
720 | ExtUtils::MakeMaker::WriteMakefile(%args); |
721 | |
722 | print << "." unless $PostambleUsed; |
723 | *** WARNING: Makefile written with customized MY::postamble() without |
724 | including contents from Module::AutoInstall::postamble() -- |
725 | auto installation features disabled. Please contact the author. |
726 | . |
727 | |
728 | return 1; |
729 | } |
730 | |
731 | sub postamble { |
732 | $PostambleUsed = 1; |
733 | |
734 | return << "."; |
735 | |
736 | config :: installdeps |
737 | \t\$(NOECHO) \$(NOOP) |
738 | |
739 | checkdeps :: |
740 | \t\$(PERL) $0 --checkdeps |
741 | |
742 | installdeps :: |
743 | \t$PostambleActions |
744 | |
745 | . |
746 | |
747 | } |
748 | |
749 | 1; |
750 | |
751 | __END__ |
752 | |
753 | #line 988 |